This class provides for processes and apparatus for selective electrical control of two or more light-generating or light-controlling display elements* in accordance with a received or stored image data signal. The image data includes character, s:graphical information or display attribute data. The image data may include, for example, information data from a peripheral input device, from the reception of a television signal, from the recognition of image data, or from the generation or creation of image data by a computer.
This class also provides for digital data processing systems or methods for data processing for visual presentation, wherein the processing of data includes the creation or
manipulation of s:graphic objects (e.g., artificial images), text or use of an operator interface by a digital data processing system prior to use by or within a specific display system.
SCOPE OF THE CLASS
(1) Note. This class includes a display controller* for accessing image data. The display control includes, for example, control between a display memory and the display elements*. The display control may be performed by a processor, wherein enhancements for a previously created and stored image are provided. Examples of such display control include display memory addressing, display screen energizing, and received image data control in response to input signals applied to the display control to provide an enhanced image for display. A specific display system* in combination with a data processor or computer is classified herein.
(2) Note. The display elements* of this class include, for example, (1) a CRT display wherein visual elements* of the image or message originate at the light-emitting screen of a cathode-ray tube, (2) a flat panel display (non-CRT display system*) wherein visual elements* of image or message are the result of light producers or light controllers arranged in a tangible mechanical grouping or array, (3) any matrix arrangement of light-generating or light-controlling display elements* with selective electrical display control, or (4) any plural arrangement of segmented light-generating or light-controlling display elements* with selective electrical display control.
(3) Note. Claimed subject matter directed to a display function (waveform) generator combined with a display is classified herein unless there is claimed structure relating to the manner in which the waveform is detected or measured.
(4) Note. Significantly claimed structure external to this class, claimed in combination with subject matter under the class definition above, which displays or produces an image or message related to such external structure or its function, is classified in the class appropriate to the external structure; however, nominally claimed structure external to this class, claimed in combination with subject matter under this class definition, is classified in this class unless provided for in the appropriate external class.
(5) Note. This class provides for peripheral input devices which include a manually actuatable selective means (e.g., keyboards, light pens, joysticks, mice, and touch tablets etc.) to selectively input the information data to the selective display control which translates the selective input into a message symbol or image, (e.g., a character or s:graphic object) on the display to an observer.
(6) Note. User or operator interfaces having an interactive process being performed in relation to a display are
classified herein. Significantly claimed structure external to a recited operator interface, claimed in combination with operator interface subject matter under this class definition, which displays or produces an image or message related to such external structure or its function, is classified in the class appropriate to the external structure. However, nominally claimed structure external to the operator interface subject matter, claimed in combination with operator interface subject matter under this class definition, is classified in this class unless provided for in the appropriate external class.
(7) Note. This class also provides for display storage devices such as display memory with more than nominal recitation of their organization and structure claimed for storing the previously created or generated data to be displayed on the display.
(8) Note. Graphic objects of this class are defined by their coordinates, shape, size, and attributes. Such s:graphic objects define a portion of a displayed image and may be a combination of computer generated objects and real life images.
(9) Note. Information processing for creating a visual image which includes more than a nominal recitation of information processing is classified herein.
(10) Note. The use of a memory system for processing in conjunction with a data presentation/computer s:graphics system (e.g., for manipulating the addressing or contents of image or text data stored in a memory) is classified herein.
(11) Note. Font generation for display and font processing to form the character patterns is classified herein.
(12) Note. Windowing techniques which can include interactive processes are classified herein.
(13) Note. Color information processing wherein the color in the image is calculated, is classified herein (e.g., shading, interpolating color values in a polygon).
(14) Note. Generation or manipulation of three dimensional or perspective display information or objects, generation or control of a mapping pattern, or animation are classified in this class.
(15) Note. Systems which display a change of appearance, where the change is computer generated (e.g., creation or modification of hairstyles or clothing to be overlaid with a video image or a model), are classified in this class.

REFERENCES TO OTHER CLASSES

SEE OR SEARCH CLASS:
40, Card, Picture, or Sign Exhibiting, particularly subclass 406 for display device with gas or liquid movement.
74, Machine Element or Mechanism, particularly subclass 471 for control elements which move in two planes.
116, Signals and Indicators, particularly 200 for various indicators.
178, Telegraphy, especially 18.01 for digitizing writing tablets, stylus, and circuits.
200, Electricity: Circuit Makers and Breakers, particularly 5 for multiple switch control.
235, Registers, especially 375 for systems controlled by data bearing records which may include selective display; various subclasses for basic machines and associated indicating mechanisms for ascertaining the number of movements of various devices and machines, plus machines made from these basic machines alone (e.g., cash registers, voting machines), and in combination with various perfecting features, such as printers and recording means.
250, Radiant Energy, 200 for light detection using photocell circuitry. For light source array or matrix, see subclass 553.
257, Active Solid-State Devices (e.g., Transistors, Solid-State Diodes), appropriate subclasses for single, plural, and integrated element solid-state light source.
273, Amusement Devices: Games, appropriate subclasses for TV games using display device.
313, Electric Lamp and Discharge Devices, for some light sources, per se. Note 498 for solid-state type device and subclasses 484+ for gaseous discharge display panel.
315, Electric Lamp and Discharge Devices: Systems, appropriate subclasses for structure of cathode-ray tube energizing circuits and 169.1 for structure of panel display devices (e.g., electroluminescent and gas display).
324, Electricity: Measuring and Testing, subclass 121 for measuring and testing electricity using a CRT.
326, Electronic Digital Logic Circuitry, appropriate subclasses for electronic digital logic circuits; and appropriate subclasses for generic digital logic devices, circuity, and subcombinations thereof, wherein nonarithmetical operations are performed upon discrete electrical signals representing a value normally described by numerical digits.
327, Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems, 108 for miscellaneous current driving
circuits.
340, Communications: Electrical, 825 for controlling one or more devices to obtain a plurality of results by transmission of a designated one of plural distinctive control signals over a smaller number of communication lines or channels, particularly subclass 825.02 for tree or cascade selective communication, subclasses 825.03+ for channel selection, subclasses 825.06+ for communication systems where status of a controlled device is communicated, subclasses 825.2+ for synchronizing selective communication systems, subclasses 825.5+ for lockout or priority in selective communication systems, subclasses 825.52+ for addressing, and subclasses 825.57+ for pulse responsive actuation.
341, Coded Data Generation or Conversion, 22 for bodily actuated code generation relating to a keyboard; and various subclasses for electrical pulse and digit code converters (e.g., systems for originating or emitting a coded set of discrete signals or translating one code into another code wherein the meaning of the data remains the same but the formats may differ).
342, Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation), subclass 142 for radar display systems using a CRT display.
348, Television, appropriate subclasses for systems and subsystems for display of television (real time scanned produced) signals.
349, Liquid Crystal Cells, Elements and Systems, appropriate subclasses for the details of a liquid crystal cell structure.
352, Optics: Motion Pictures, subclass 87 where motion picture animation will be found.
353, Optics: Image Projectors, appropriate subclasses for specifics of optics involved with an image projector.
359, Optics: Systems (Including Communication) and Elements, 237 for structure relating to an optical modulator and subclasses 443+ for projection screens.
360, Dynamic Magnetic Information Storage or Retrieval, which is an integral part of Class 369 following subclass 18, for record carriers and systems wherein information is stored and retrieved by interaction with a medium and there is relative motion between a medium and a transducer, for example, magnetic disk drive devices and control thereof, per se.
362, Illumination, appropriate subclasses for a specific illumination device and particularly 227 for plural light sources for general lighting uses.
364, Electrical Computers and Data Processing Systems,
subclass 144, 146, and 188+ for data processing control system with operator control interface and display, subclasses 474.22+ for CAD/CAM product manufacturing having user interface.
365, Static Information Storage and Retrieval, 106 and 120+ for storage systems using visible light for the retrieval of stored information instead of for the display of a selected image (message or data); and various subclasses for addressable static singular storage elements or plural singular storage elements of the same type (i.e., the internal elements of memory, per se).
368, Horology: Time Measuring Systems or Devices, 223 for displays of time (i.e., watches).
369, Dynamic Information Storage or Retrieval, particularly 99 for information handling in conjunction with a dynamic store; and various subclasses for record carriers and systems wherein information is stored and retrieved by interaction with a medium and there is relative motion between a medium and a transducer.
377, Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems, 112 for display control with registers; and various subclasses for generic circuits for pulse counting.
379, Telephonic Communications, subclass 96 for displaying digital information on a terminal.
380, Cryptography, appropriate subclasses for cryptographic electric signal modification in general.
382, Image Analysis, for previously scanned image data and for image recognition, processing and nominal display relating to such recognition; and various subclasses for operations performed on image data with the aim of measuring a characteristic of an image, detecting variations, detecting structures, or transforming the image data, and for procedures for analyzing and categorizing patterns present in image data.
400, Typewriting Machines, particularly 83 for typewriting machines including a display.
434, Education and Demonstration, 1 for system performing distant object energy sensing wherein said systems include a display, subclasses 307+ and 323+ for educational system including a CRT.
463, Amusement Devices: Games, 1, where there is recited a method or apparatus for moving or processing information specified as game or contest information (e.g., a video game, etc.), especially subclasses 31+ for specifics of processing visual information data in a game or contest appropriate for Class 463.
705, Data Processing: Financial, Business Practice, Management, or Cost/Price Determination, appropriate subclasses for user interface specific to business practice.
707, Data Processing: Database and File Management, Data Structure or Document Processing, 1 for database specific user interface and subclasses 500+ for document processing specific user interface.
708, Electrical Computers: Arithmetic Processing and Calculating, 270 for mathematical function generation and subclass 849 for specialized analog function generation including a CRT display.
713, Electrical Computers and Digital Processing Systems: Support, subclass 187 and 188 for software program protection or computer virus detection in combination with data encryption.
714, Error Detection/Correction and Fault Detection/Recovery, various subclasses for generic electrical pulse or pulse coded data error detection and correction.

GLOSSARY:
The following terms have been defined for purposes of classification in this class. In the class and subclass definition of this class, terms used in a sense defined below are indicated by an asterisk(*). When these terms are not indicated by an asterisk(*) in the definitions, the meaning is not restricted to the glossary definitions below.
ADDRESS DATA
Data that represent or identify a source or destination. (also see: Data)
ALPHA - NUMERIC
Any symbol found in the ASCII character set.
BUS
A conductor used for transferring data, signals, or power.
COMPUTER
A machine that inputs data, processes data, stores data, and outputs data.
DATA
Representation of information in a coded manner suitable for communication, interpretation, or processing. Also see: Address Data; Instruction Data; Status Data; User Data.
DISPLAY CONTROLLER
An electrical circuit which actuates a display device* in accordance with received image data*.
DATA PROCESSING
See PROCESSING, below.
DIGITAL DATA PROCESSING SYSTEM
An arrangement of processor(s) in combination with either memory or peripherals, or both, performing data processing.
DISPLAY DEVICE
A communication device which converts image data* into a visual image*.
DISPLAY ELEMENT
Means for producing a visual effect in a display device* comprised of a plurality (e.g., matrix) of such means.
DISPLAY SYSTEM
A system which comprises one or more display terminals* or one or more display devices*.
DISPLAY TERMINAL
A unit which comprises at least one display device* and user interface control means (e.g., mouse).
IMAGE DATA
The information provided to form the visual image*.
INFORMATION
Meaning that a human being assigns to data by means of the conventions applied to that data.
INSTRUCTION DATA
Data that represent an operation and identify its operands, if any. (also see: Data)
MEMORY
A functional unit to which data can be stored and from which data can be retrieved.
PERIPHERAL
A functional unit that transmits data to or receives data from a computer to which it is coupled.
PROCESSING
Methods or apparatus performing systematic operations upon data or information exemplified by functions such as data or information transferring, merging, sorting, and computing (i.e., arithmetic operations or logical operations).
(1) Note. In this class, the glossary term data is used to modify processing in the term data processing; whereas the term digital data processing system refers to a machine performing data processing.
(2) Note. In an effort to avoid redundant constructions, in this class, where appropriate, the term address data processing is used in place of address data data processing.
PROCESSOR
A functional unit that interprets and executes instruction data.
STATUS DATA
Data that represent conditions of data, digital data processing systems, computers, peripherals, memory, etc. (also see: Data)
USER DATA
Data other than address data, instruction data, or status data. (also see: Data)
VISUAL ELEMENT
The smallest constituent part of a composite visual image*. A visual element* may be the visual effect produced by a display element*.
VISUAL IMAGE
The resultant image shown by the display device*.

PLURAL DISPLAY SYSTEMS:
This subclass is indented under the class definition. Subject matter including more than one visual display system*.
(1) Note. The use of adjacent CRTs to display a large image is typical of this type of plural display system.

SEE OR SEARCH THIS CLASS, SUBCLASS:
4 for a single display system having plural display devices.

SEE OR SEARCH CLASS:
709, Electrical Computers and Digital Processing Systems: Multiple Computer or Process Coordinating, 200 for data transferring among a plurality of spatially distributed computers or digital data processing systems.
710, Electrical Computers and Digital Data Processing Systems: Input/Output, 1 for input/output data processing, and subclasses 100+ for intrasystem connection in a digital data processing system.

Remotely located:
This subclass is indented under subclass 1. Subject matter wherein the more than one visual display system* includes plural display terminals* which are positioned at separate locations where they cannot be viewed simultaneously.
(1) Note. Display terminals in different offices of a work environment are typical of this type of plural display system.

Diverse systems (e.g., CRT/LCD interface):
This subclass is indented under subclass 1. Subject matter wherein the plural display systems* are different types.
(1) Note. Different types of display systems include CRTs, LEDs, LCDs, plasma, etc.

SINGLE DISPLAY SYSTEM HAVING STACKED SUPERIMPOSED DISPLAY DEVICES (E.G., TANDEM):
This subclass is indented under the class definition. Subject matter in which one transparent display device* is positioned above another display device*.

SEE OR SEARCH THIS CLASS, SUBCLASS:
113 for a single display device having a superimposed overlay.

Diverse display devices:
This subclass is indented under subclass 4. Subject matter wherein the stacked display devices* are different types of display devices* (e.g., EL and LCD).

SEE OR SEARCH THIS CLASS, SUBCLASS:
3 for diverse plural display systems.

Three-dimensional arrays:
This subclass is indented under subclass 4. Subject matter wherein the images from the stacked superimposed display devices* together provide a resultant display with perspective.

SEE OR SEARCH THIS CLASS, SUBCLASS:
139 for a s:graphics display with perspective provided by a single display device.
419 for three-dimensional presentation processing.

IMAGE SUPERPOSITION BY OPTICAL MEANS (E.G., HEADS-UP DISPLAY):
This subclass is indented under the class definition. Subject matter wherein a single visual image* from a display device* is superimposed with an external world scene by some light-affecting means.

SEE OR SEARCH CLASS:
340, Communication: Electrical, 901 for external condition vehicle-mounted indicators.
359, Optics: Systems (Including Communication) and Elements, 630 for specific optical components of heads-up arrangement.

Operator body-mounted heads-up display (e.g., helmet mounted display):
This subclass is indented under subclass 7. Subject matter wherein the display device* for providing the single visual image* is assembled on a helmet worn on the operator's head or is carried on the operator's body.

Plural image superposition:
This subclass is indented under subclass 7. Subject matter wherein at least two visual images* from at least two display devices*, respectively, are superimposed by some light-affecting means.
(1) Note. Examples of light-affecting means include lenses, mirrors, reflectors, etc.

DATA RESPONSIVE CRT DISPLAY CONTROL:
This subclass is indented under the class definition. Subject matter including means for controlling a cathode-ray tube to display visual image data*.

SEE OR SEARCH THIS CLASS, SUBCLASS:
180 for light pen for CRT display.
418 for significant structure of a data processor or computer architecture wherein elements of computation or data processing techniques are used in connection with a CRT creation or manipulation of s:graphic objects or text performed by a computer or processor in connection with a CRT.

SEE OR SEARCH CLASS:
313, Electric Lamp and Discharge Devices, 364 for structure of the cathode-ray tube.
315, Electric Lamp and Discharge Devices: Systems, 8.51 and 169.1+ for a CRT system and a CRT signal control means with no selective data control of display elements.
348, Television, appropriate subclasses for a display of
television or of video, with receiver related electronic generation and control of an image of the channel to which the receiver is tuned.

CRT provides display control:
This subclass is indented under subclass 10. Subject matter wherein the control means includes a CRT for driving a second CRT, the second CRT providing the visual image data* to be displayed.
(1) Note. Display systems which include a first CRT, used as part of a driving circuit and not providing the resultant display, for driving a second CRT providing the resultant display is found herein.

Data responsive deflection and intensity control:
This subclass is indented under subclass 10. Subject matter wherein the control means controls both the electron beam's deflection and its intensity.

SEE OR SEARCH THIS CLASS, SUBCLASS:
13 for data responsive deflection control for a CRT.
20 for data responsive intensity control for a CRT.
147 for intensity control for a generic display device.

SEE OR SEARCH CLASS:
315, Electric Lamp and Discharge Devices: Systems, 364 and 383+ for CRT deflection circuits and intensity control wherein no selective data control of display elements is provided.

Data responsive deflection control:
This subclass is indented under subclass 10. Subject matter in which the control means is responsive to input data or an input message and affects the images by controlling electron beam's deflection in the CRT.

SEE OR SEARCH CLASS:
315, Electric Lamp and Discharge Devices: Systems, 364 for CRT deflection circuits.

X and Y axis deflection control:
This subclass is indented under subclass 13. Subject matter wherein the electron beam's deflection is controlled in both horizontal and vertical directions in the CRT.

Curvilinear deflection control (e.g., lissajous):
This subclass is indented under subclass 13. Subject matter in which the control means generates a complex waveform which includes some frequency and its harmonics with varying phases whereby the image may be built up by a circular or curvilinear deflection.

Stroke or vector:
This subclass is indented under subclass 13. Subject matter wherein the image includes a straight line produced from an input data which may represent terminal points or a point with magnitude and direction.

SEE OR SEARCH THIS CLASS, SUBCLASS:
135 for vector display on a generic display device.

Strokes for forming characters:
This subclass is indented under subclass 16. Subject matter wherein the strokes formed on the CRT result in the generation of alphanumeric* data.

SEE OR SEARCH THIS CLASS, SUBCLASS:
26 for a character generator used with a CRT.
141 for a character display on a generic display device.
194 for a character generator used with a generic display device.

Up/down counter:
This subclass is indented under subclass 16. Subject matter including a means for determining the points of the stroke or vector in incremental steps.

SEE OR SEARCH CLASS:
377, Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems, appropriate subclasses for counters in general.

Impedance array:
This subclass is indented under subclass 13. Subject matter in which the control means includes an arrangement of impedances for controlling the electron beam's deflection.

Data responsive intensity control:
This subclass is indented under subclass 10. Subject matter in which the control means is responsive to input data or an input message and controls the brilliance of an image on the CRT.

SEE OR SEARCH THIS CLASS, SUBCLASS:
63 for fluid light-emitter matrix-type display device with intensity control.
77 for electroluminescent matrix-type display device with intensity control.
147 for intensity control for a generic display device.

SEE OR SEARCH CLASS:
315, Electric Lamp and Discharge Devices: Systems, 383 for CRT intensity control wherein no selective data control of display elements is provided.

Magnetic element array:
This subclass is indented under subclass 20. Subject matter including a plurality of magnetic element means providing the brilliance information to the CRT.

Color display:
This subclass is indented under subclass 10. Subject matter wherein the visual image* contains more than two colors to be displayed on the CRT.

SEE OR SEARCH THIS CLASS, SUBCLASS:
72 for fluid light-emitter matrix color display.
83 for solid body light-emitter color display.
88 for liquid crystal color display.
150 for selectable color attributes relating to a visual image to be displayed by a generic display device.
431 for color surface detail/characteristic to be displayed by a generic display device.

Graphic and alphanumeric display:
This subclass is indented under subclass 10. Subject matter wherein the control means selectably provides an image representative of an object (e.g., a plane, boat, etc.) and of a font of alphanumeric* characters on the CRT.

SEE OR SEARCH THIS CLASS, SUBCLASS:
24 for a s:graphic CRT display.
25 for an alphanumeric CRT display.
116 for a character and s:graphical display on a generic display device.

Graphic display:
This subclass is indented under subclass 10. Subject matter wherein the control means selectably provides an image representative of an object (e.g., a plane, boat, etc.) on the CRT.

SEE OR SEARCH THIS CLASS, SUBCLASS:
131 for s:graphical image size control.
133 for a s:graphical display on a generic display device.

Alphanumeric display:
This subclass is indented under subclass 10. Subject matter wherein the control means selectably provides an image of a font of alphanumeric* characters on the CRT.

SEE OR SEARCH THIS CLASS, SUBCLASS:
124 for alphanumeric image scrolling.
128 for alphanumeric image size controlling.
141 for a character display on a generic display device.

SEE OR SEARCH CLASS:
340, Communications: Electrical, 815.53 for lighted alphanumeric visual indicator.

Character generator:
This subclass is indented under subclass 25. Subject matter wherein the control means includes a storage means used as a source of the alphanumeric* characters.

SEE OR SEARCH THIS CLASS, SUBCLASS:
141 for a character display on a generic display device.
194 for a character generator used with a generic display device.

Combined with storage means:
This subclass is indented under subclass 10. Subject matter wherein the control means includes a means to retain or to store data elements being applied to the CRT.

SEE OR SEARCH THIS CLASS, SUBCLASS:
507 for a memory system in connection with computer display processing hardware.

SEE OR SEARCH CLASS:
365, Static Information Storage and Retrieval, appropriate subclasses for static storage systems using visible light for the retrieval of stored information instead of for the display of a selected image.
369, Dynamic Information Storage or Retrieval, appropriate subclasses for dynamic storage systems using visible light for the retrieval of stored information instead of for the display of a selected image.
711, Electrical Computers and Digital Processing Systems: Memory, appropriate subclasses for memory addressing, accessing and controlling.

Addressing:
This subclass is indented under subclass 27. Subject matter including a means for assigning storage locations to the data elements.

SEE OR SEARCH THIS CLASS, SUBCLASS:
81 for optical addressing of an electroluminescent display.
188 for addressing with priority a multi-plane color memory which stores image data for a computer s:graphics processing system.
193 for addressing a character memory which stores image data for a computer s:graphics processing system.
515 for addressing a bit map or s:graphic memory which stores image data for a computer s:graphics processing system.
516 for addressing circuitry in combination with a display store to be used in conjunction with a computer s:graphics processing system.

Delay line:
This subclass is indented under subclass 10. Subject matter wherein the control means has a delay means for synchronizing operations of circuits in the control means.
(1) Note. The delay line may have selective parallel inputs and a serial output.

PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT):
This subclass is indented under the class definition. Subject matter wherein the light-generating or light-controlling display elements* are provided as an arrangement of plural segmented and matrix display elements* or as a flat panel array with selective electrical control.

SEE OR SEARCH CLASS:
40, Card, Picture, or Sign Exhibiting, appropriate subclasses for mechanical indicia carrying changeable displays.
116, Signals and Indicators, appropriate subclasses for mechanical indicators.
313, Electric Lamp and Discharge Devices, 484 for gaseous discharge mediums with no selective electrical driving control circuitry, subclasses 498+ for solid-state type discharge mediums with no selective electrical driving control circuitry.
315, Electric Lamp and Discharge Devices: Systems, appropriate subclasses for gaseous and solid-state type discharge mediums having circuits without selective electrical control as to which of the display elements are to be energized.
340, Communication: Electrical, 815.4 for visual indicators of some condition or state with nonselective electrical display control; subclasses 901+ for external condition vehicle-mounted indicators; subclasses 907+ for traffic control indicators; subclasses 945+ for aircraft and watercraft indicating systems; subclasses 988+ for indicators relating to vehicle position; subclasses 425.5+ for land vehicle indicators; subclasses 500+ for condition responsive indicating systems.
349, Liquid Crystal Cells, Elements And Systems, appropriate subclasses for liquid crystal cell structure in general.
359, Optics: Systems (Including Communication) and Elements, subclass 237 for optical modulators with no selective electrical control circuitry.
362, Illumination, appropriate subclasses for subject matter directed to illumination systems which render objects to be visible.

Physically movable array:
This subclass is indented under subclass 30. Subject matter in which an image is formed by moving the array of display elements* or a subset of the array of display elements* on a display device*.

SEE OR SEARCH THIS CLASS, SUBCLASS:
6 for three-dimensional arrays formed from stacked display devices.

Optical means interposed in viewing path (e.g., filters, lens, etc.):
This subclass is indented under subclass 30. Subject matter having an optical means interposed in the viewing path of the display element* array.

SEE OR SEARCH CLASS:
340, Communications: Electrical, 815.73 for visual alphanumeric indicator having optical means.
353, Optics: Image Projectors, appropriate subclasses for all projected pluralities of images, superimposed or in a mosaic.
359, Optics: Systems (Including Communication) and Elements, appropriate subclasses for designated optical means.

Segmented display elements:
This subclass is indented under subclass 30. Subject matter in which the light-generating or light-controlling display elements* are provided as an arrangement of segmented display
elements* with selective electrical control.

Seven segment display:
This subclass is indented under subclass 33. Subject matter wherein the arrangement of segmented display consists of seven bars so that each digit from 0 to 9 can be displayed.

SEE OR SEARCH CLASS:
340, Communications: Electrical, subclass 815.44 for visual indicator having seven segments.

Bar graph:
This subclass is indented under subclass 33. Subject matter wherein the light-generating or light-controlling display elements* are aligned in a variable length line arrangement to show the condition of a given parameter.

SEE OR SEARCH THIS CLASS, SUBCLASS:
140 for bar graph shown on a generic display device.

Electroluminescent display elements:
This subclass is indented under subclass 35. Subject matter wherein the bar graph includes electroluminescent display elements* or segmented display elements* having a luminescent phosphor which emits light with the application of the selective electrical control.

SEE OR SEARCH THIS CLASS, SUBCLASS:
76 for matrix electroluminescent display.

SEE OR SEARCH CLASS:
315, Electric Lamp and Discharge Devices: Systems, subclass 169.3 for electroluminescent devices and circuitry without selective electrical control as to which of the display elements are to be energized.
340, Communications: Electrical, subclass 825.81 for matrix electroluminescent elements not used as a display.

Gas discharge display segments (e.g., plasma):
This subclass is indented under subclass 35. Subject matter wherein the bar graph includes segmented display elements* which generate light due to the presence of a gas.

SEE OR SEARCH THIS CLASS, SUBCLASS:
60 for matrix fluid light-emitting display.

SEE OR SEARCH CLASS:
315, Electric Lamp and Discharge Devices: Systems, subclass 169.4 for energizing or bias supplies for a gas panel display device.

Liquid crystal display segments:
This subclass is indented under subclass 35. Subject matter wherein the bar graph includes liquid crystal display elements* or a liquid with crystalline properties.

SEE OR SEARCH THIS CLASS, SUBCLASS:
87 for matrix liquid crystal display devices.

SEE OR SEARCH CLASS:
349, Liquid Crystal Cells, Elements And Systems, subclass 142 for segmented or fixed pattern liquid crystal cell structure.

Light-emitting diode segments (LEDs):
This subclass is indented under subclass 35. Subject matter wherein the bar graph includes light-emitting diodes or diodes that emit light when biased in a forward direction.

SEE OR SEARCH THIS CLASS, SUBCLASS:
82 for matrix light-emitting diode display.

SEE OR SEARCH CLASS:
257, Active Solid-State Devices (e.g., Transistors, Solid-State Diodes), appropriate subclasses for LED structure.
340, Communications: Electrical, subclass 815.45 for visual indicator using light-emitting diodes (LEDs) and subclass 825.82 for LED matrix which is not used as a display.

Plural (e.g., stacked, adjacent):
This subclass is indented under subclass 35. Subject matter wherein a plurality of the variable length line arrangements are provided to show the conditions of a plurality of parameters.

Fluid light-emitting display elements (e.g., gas, plasma):
This subclass is indented under subclass 33. Subject matter in which the segmented display elements* generate light due to a fluid medium in the display elements*.

SEE OR SEARCH THIS CLASS, SUBCLASS:
60 for matrix fluid light-emitting display.

SEE OR SEARCH CLASS:
315, Electric Lamp and Discharge Devices: Systems, subclass 169.4 for energizing or bias supplies for a gas panel display device.

Controlling circuitry:
This subclass is indented under subclass 41. Subject matter wherein the segmented display elements* are selectively controlled by a specified electrical control device (e.g., counters, logic circuits, shift registers, etc.).

Mask or electrode shape:
This subclass is indented under subclass 33. Subject matter
in which the segmented electrode display elements* have a significant contour or in which an opaque material with a significantly shaped opening is provided with the segmented display elements*.

Solid light-emitting display elements:
This subclass is indented under subclass 33. Subject matter in which the segmented display elements* are composed of solid light-generating material.

SEE OR SEARCH THIS CLASS, SUBCLASS:
82 for matrix solid body light-emitting display.

SEE OR SEARCH CLASS:
250, Radiant Energy, subclass 552 for solid-state light source systems.

Electroluminescent:
This subclass is indented under subclass 44. Subject matter in which the segmented display elements* include EL display elements* or wherein the segmented display elements* include a luminescent phosphor which emits light with the application of the selective electrical control.

SEE OR SEARCH THIS CLASS, SUBCLASS:
76 for matrix electroluminescent display.

SEE OR SEARCH CLASS:
315, Electric Lamp and Discharge Devices: Systems, subclass 169.3 for electroluminescent devices and circuitry without selective electrical control as to which of the display elements are to be energized.
340, Communications: Electrical, subclass 825.81 for matrix electroluminescent elements not used as a display.

Light-emitting diodes:
This subclass is indented under subclass 44. Subject matter
in which the segmented display elements* include light-emitting diodes or diodes that emit light when biased in a forward direction.

SEE OR SEARCH THIS CLASS, SUBCLASS:
82 for matrix light-emitting diode display.

SEE OR SEARCH CLASS:
257, Active Solid-State Devices (e.g., Transistors, Solid-State Diodes), appropriate subclasses for LED structure.
340, Communications: Electrical, subclass 815.45 for visual indictor using light-emitting diodes (LEDs) and subclass 825.82 for LED matrix which is not used as a display.

Fluorescent elements:
This subclass is indented under subclass 33. Subject matter wherein the segmented display elements* include fluorescent light-emitting elements or cathodoluminescent display elements* wherein electrons strike a phosphor material.

SEE OR SEARCH THIS CLASS, SUBCLASS:
75 for vacuum fluorescent matrix displays.

Light-controlling display elements:
This subclass is indented under subclass 33. Subject matter comprising means to control the amount or distribution of light which is reflected from or transmitted to the segmented display elements*.

SEE OR SEARCH THIS CLASS, SUBCLASS:
84 for light-controlling display elements formed in a matrix.

Electrochromic elements:
This subclass is indented under subclass 48. Subject matter in which the segmented display elements* include
electrochromic display elements*, or elements made from a material with light absorption properties such that the material takes on a color upon the application of an electric field.

SEE OR SEARCH THIS CLASS, SUBCLASS:
105 for matrix electrochromic displays.

SEE OR SEARCH CLASS:
359, Optics: Systems (Including Communication) and Elements, subclass 265 for electrochromic light valve arrays without selective electrical control.

Liquid crystal elements:
This subclass is indented under subclass 48. Subject matter in which the segmented display elements* include liquid crystal display elements* or liquid with crystalline properties.

SEE OR SEARCH THIS CLASS, SUBCLASS:
87 for matrix liquid crystal display devices.

SEE OR SEARCH CLASS:
349, Liquid Crystal Cells, Elements and Systems, subclass 142 for segmented or fixed pattern liquid crystal cell structure.

Display element selection circuitry:
This subclass is indented under subclass 50. Subject matter in which the selective electrical control includes details of circuitry for selecting the segmented display elements* to be displayed.

Power supply generating circuitry:
This subclass is indented under subclass 50. Subject matter in which the selective electrical control includes means for selectively supplying drive voltages to the display elements.

SEE OR SEARCH CLASS:
323, Electricity: Power Supply or Regulation Systems, appropriate subclasses for specifics of a power supply.

Specific waveform (e.g., square waveforms, sinusoidal):
This subclass is indented under subclass 50. Subject matter in which the selective electrical control includes means for selectively supplying particular waveforms to the display elements*.

SEE OR SEARCH THIS CLASS, SUBCLASS:
94 for waveform generation for a matrix liquid crystal display.
208 for a waveform generator coupled to a generic display device.

Field period polarity reversal:
This subclass is indented under subclass 53. Subject matter in which the waveforms applied to the display elements* are alternatively supplied in a positive and negative manner.

Display elements arranged in matrix (e.g., rows and columns):
This subclass is indented under subclass 30. Subject matter wherein the light-generating or light-controlling display elements* are provided as a matrix arrangement of display elements* with selective electrical control.

Image shifting means (i.e., traveling message):
This subclass is indented under subclass 55. Subject matter wherein the selective electrical control includes means for moving image or a message on the display matrix.

SEE OR SEARCH THIS CLASS, SUBCLASS:
61 for fluid light-emitter with shifting means.

Having endless belt or tape reader:
This subclass is indented under subclass 56. Subject matter wherein the image is formed on a moving belt (i.e., image bearing web) or the movement of the image on the display matrix is in response to reading of binary code data on a tape.

Crosstalk elimination:
This subclass is indented under subclass 55. Subject matter wherein the selective electrical control includes means for removal of spurious (i.e., undesirable noise) signals from the matrix.

SEE OR SEARCH CLASS:
327, Miscellaneous Active Electrical Nonlinear Devices, Circuits, and systems, 551 for unwanted signal suppression in general.

Matrix for conveying alphanumeric data:
This subclass is indented under subclass 55. Subject matter wherein the matrix arrangement of display elements* displays character information.

SEE OR SEARCH THIS CLASS, SUBCLASS:
25 for alphanumeric CRT display.
141 for a character display on a generic display device.

Fluid light emitter (e.g., gas, liquid, or plasma):
This subclass is indented under subclass 55. Subject matter wherein the display element* includes a light-generating
fluid medium.

SEE OR SEARCH THIS CLASS, SUBCLASS:
37 and 41+, for segmented fluid light-emitting display devices.

SEE OR SEARCH CLASS:
315, Electric Lamp and Discharge Devices: Systems, subclass 169.4 for energizing or bias supplies for a gas panel display device.

Shifting means:
This subclass is indented under subclass 60. Subject matter wherein the fluid is moved to adjacent display elements* in order to increase the brightness of the display.

SEE OR SEARCH THIS CLASS, SUBCLASS:
56 for image shifting means for a matrix display device.

Specified plasma coupling path:
This subclass is indented under subclass 61. Subject matter in which the shifting means constitutes a connecting path arrangement for a plasma discharge.

Intensity control:
This subclass is indented under subclass 60. Subject matter in which the selective electrical control includes means for controlling the brightness characteristics of the fluid light emitter.

SEE OR SEARCH THIS CLASS, SUBCLASS:
432 for intensity changes in a s:graphical image processing.

Liquid light emitter:
This subclass is indented under subclass 60. Subject matter in which the display element* includes a light-generating liquid medium.

Phosphor excited by fluid response:
This subclass is indented under subclass 60. Subject matter wherein the display elements* include a phosphor compound within the fluid medium for emission of light.

SEE OR SEARCH CLASS:
250, Radiant Energy, 458.1 and 483.1+ for luminescent devices utilizing phosphor.
313, Electric Lamp and Discharge Devices, 103 for channel electron multiplier devices.

Particular discharge path:
This subclass is indented under subclass 60. Subject matter in which the display elements* include a gas, plasma, or liquid medium having a specific shape or contour for the generation of the light.

More than two electrodes per element:
This subclass is indented under subclass 60. Subject matter in which a display element* of the fluid medium has three or more electrodes.

Means for combining selective and sustain signals:
This subclass is indented under subclass 60. Subject matter in which the selective electrical control includes circuit means for applying a select signal and a sustain signal in concert to appropriate selected electrodes of the matrix for energization of the fluid medium.

Resistor-diode arrangement:
This subclass is indented under subclass 68. Subject matter in which the circuit combining means includes an arrangement of resistors and diodes for applying the selective and sustain signals to the electrodes of the matrix.

Including transformer:
This subclass is indented under subclass 69. Subject matter in which the resistor-diode arrangement utilizes a transformer for providing the necessary voltage to the electrodes of the matrix.

SEE OR SEARCH CLASS:
336, Inductor Devices, appropriate subclasses for transformers, per se.

Electrode insulated from fluid medium:
This subclass is indented under subclass 60. Subject matter in which the display elements* of the matrix have at least one electrode with an insulating or dielectric layer between the electrode and the fluid medium of the matrix.

Color:
This subclass is indented under subclass 60. Subject matter in which the display elements* emit a specific color light due to the fluid material itself or due to a colored phosphor layer.

SEE OR SEARCH THIS CLASS, SUBCLASS:
150 for selectable color attributes relating to a visual image to be displayed by a generic display device.

Incandescent:
This subclass is indented under subclass 55. Subject matter wherein the display elements* generate light due to electron flow through a filament of resistive material, wherein the filament is heated to a level for providing the emission of light.
(1) Note. An array of incandescent light bulbs are found herein.

SEE OR SEARCH CLASS:
362, Illumination, appropriate subclasses for incandescent illumination in general.

Cathodoluminescent type:
This subclass is indented under subclass 55. Subject matter wherein the display elements generate light due to the application of electrical control through an anode or cathode to emit an electron beam at each display element to strike a phosphor layer.

SEE OR SEARCH CLASS:
313, Electric Lamp and Discharge Devices, 483 for an electric lamp and discharge device with luminescent solid or liquid material.

Vacuum fluorescent:
This subclass is indented under subclass 74.1. Subject matter wherein the cathodoluminiescent display elements include a vacuum for electrons to travel through so as to excite a phosphor material to emit light.

SEE OR SEARCH THIS CLASS, SUBCLASS:
47 for segmented fluorescent element display.

Field emissive (e.g., FED, Spindt, or microtip, etc.):
This subclass is indented under subclass 75.1. Subject
matter wherein the display elements generate light due to the application of electrical control through a field emissive electrode to emit an electron beam at each display element to strike a phosphor layer (e.g., FED, Spindt, or microtip, etc.).

SEE OR SEARCH CLASS:
313, Electric Lamp and Discharge Devices, subclasses 495-497 and other appropriate subclasses for structural details of the FED panel.
315, Electric Lamp and Discharge Devices: Systems, subclass 169.1 and 169.3 and other appropriate subclasses for driving techniques not limited to display systems.

Electroluminescent:
This subclass is indented under subclass 55. Subject matter in which the light-generating display elements* emit light when an electric current is passed through dielectric and phosphor materials.

SEE OR SEARCH THIS CLASS, SUBCLASS:
36 and 45, for segmented electroluminescent element displays.

SEE OR SEARCH CLASS:
315, Electric Lamp and Discharge Devices: Systems, subclass 169.3 for electroluminescent devices and circuitry without selective electrical control as to which of the display elements are to be energized.
340, Communications: Electrical, subclass 825.81 for matrix electroluminescent elements not used as a display.

Brightness or intensity control:
This subclass is indented under subclass 76. Subject matter in which the selective electrical control includes means for generating selected light output levels for each display element*.
(1) Note. Intensity control for color output is included herein.

SEE OR SEARCH THIS CLASS, SUBCLASS:
20 for data responsive CRT intensity control.
63 for matrix fluid light-emitting display intensity control.
147 for intensity control for a generic display device.

SEE OR SEARCH CLASS:
315, Electric Lamp and Discharge Devices: Systems, 383 for CRT intensity control wherein no selective data control of display elements is provided.
340, Communications: Electrical, 815.4 for intensity control with a visual indicator.

Having compensating pulse:
This subclass is indented under subclass 76. Subject matter in which the selective electrical control includes means for generating an additional voltage pulse in conjunction with a normal drive waveform for altering the electrical characteristics at the electroluminescent display elements* (e.g., enhanced contrast, latent image, flicker, or noise elimination, etc.).

Field period polarity reversal:
This subclass is indented under subclass 76. Subject matter in which the selective electrical control provides waveforms to the electroluminescent display elements* in an alternating positive and negative manner.

Driving means integral to substrate:
This subclass is indented under subclass 76. Subject matter in which a selective electrical control device and the display elements* are formed as a unit.

Optical addressing (e.g., photodetection):
This subclass is indented under subclass 76. Subject matter in which the selective electrical control in response to detection of an applied external light source controls the selective energization of the electroluminescent display elements*.

SEE OR SEARCH THIS CLASS, SUBCLASS:
28 for addressing of CRT with storage means.

Solid body light emitter (e.g., LED):
This subclass is indented under subclass 55. Subject matter in which the light-generating display elements* are composed of solid body material.

SEE OR SEARCH THIS CLASS, SUBCLASS:
39 and 44+, for segmented solid light-emitting display elements.

SEE OR SEARCH CLASS:
250, Radiant Energy, subclass 552 for solid-state light source systems.
257, Active Solid-State Devices (e.g., Transistors, Solid-State Diodes), appropriate subclasses for LED structure.
340, Communications: Electrical, subclass 815.45 for visual indicators with light-emitting diodes (LEDs) and subclass 825.82 for an LED matrix which is not used as a display.

Color:
This subclass is indented under subclass 82. Subject matter in which the selective electrical control controls the color of the light generated.

SEE OR SEARCH THIS CLASS, SUBCLASS:
150 for selectable color attributes relating to a visual image to be displayed by a generic display device.

Light-controlling display elements:
This subclass is indented under subclass 55. Subject matter in which the matrix display elements* control the amount or distribution of light which is applied to the display elements*.

SEE OR SEARCH THIS CLASS, SUBCLASS:
48 for segmented light-controlling display elements.

Electroscopic (e.g., movable electrodes or electrostatic elements):
This subclass is indented under subclass 84. Subject matter in which each display element* includes a movable flap or shutter which is controlled electrostatically by the selective electrical control.

Magneto-optic:
This subclass is indented under subclass 84. Subject matter in which each display element* includes a magneto-optic chip and a polarizer for controlling the passage of light.

Liquid crystal display elements (LCD):
This subclass is indented under subclass 84. Subject matter in which the matrix light-controlled display elements* include liquid crystal display elements* or liquid with crystalline properties.

SEE OR SEARCH THIS CLASS, SUBCLASS:
38 and 50, for segmented liquid crystal display elements.

SEE OR SEARCH CLASS:
349, Liquid Crystal Cells, Elements and Systems, appropriate subclasses for liquid crystal cell structure.

Color:
This subclass is indented under subclass 87. Subject matter in which the display elements* control the passage of light which results in the display of one or more specific colors.

SEE OR SEARCH THIS CLASS, SUBCLASS:
150 for selectable color attributes relating to a visual image to be displayed by a generic display device.

Gray scale capability (e.g., halftone):
This subclass is indented under subclass 87. Subject matter wherein the selective electrical control provides control of the brightness or light intensity level (i.e., shades) of the image data* to be displayed.

SEE OR SEARCH THIS CLASS, SUBCLASS:
147 for intensity control for a generic display device.

Control means at each display element:
This subclass is indented under subclass 87. Subject matter wherein the selective electrical control includes a switching means for controlling the state of each display element* individually.

Diode or varistor:
This subclass is indented under subclass 90. Subject matter wherein the switching means includes a diode or varistor connected to a display element* for controlling light passage.

SEE OR SEARCH CLASS:
257, Active Solid-State Devices (e.g., Transistors, Solid-State Diodes), appropriate subclasses for diode structure.

Thin film transistor (TFT):
This subclass is indented under subclass 90. Subject matter wherein the switching means includes a transistor made by using thin film techniques for controlling each display element*.

SEE OR SEARCH CLASS:
257, Active Solid-State Devices (e.g.,Transistors, Solid-State Diodes) appropriate subclasses for thin film transistor structure.
349, Liquid Crystal Cells, Elements, and Systems, 42 for use of transistors in LCD structure.

Redundancy (e.g., plural control elements or electrodes):
This subclass is indented under subclass 90. Subject matter wherein the switching means includes extra elements (e.g., electrodes) to reduce the chances of failure in the display.

Waveform generation:
This subclass is indented under subclass 87. Subject matter wherein the selective electrical control includes a source for applying specific waveforms or particular voltages to the display elements*.

SEE OR SEARCH THIS CLASS, SUBCLASS:
53 for waveform generation for a segmented liquid crystal display.
208 for waveform generator coupled to a generic display device.

Three or more voltages:
This subclass is indented under subclass 94. Subject matter in which the waveforms include pulses with at least three different values in driving the display elements*.

Field period polarity reversal:
This subclass is indented under subclass 94. Subject matter wherein the waveforms applied to the display elements* are alternately supplied in a positive and negative manner in a field period.

SEE OR SEARCH THIS CLASS, SUBCLASS:
54 for field period polarity reversal for a segmented liquid crystal display.
209 for field period polarity reversal for a generic display device.

Ferroelectric or smectic liquid crystal elements:
This subclass is indented under subclass 94. Subject matter wherein the display elements* are comprised of a ferroelectric or smectic liquid crystal material.

Specific display element control means (e.g., latches, memories, logic):
This subclass is indented under subclass 87. Subject matter wherein the selective electrical control provides a specific means (e.g., latches, memories, or logic, etc.) for controlling the state of the display elements*.

Particular timing circuit:
This subclass is indented under subclass 98. Subject matter having specific data control means which provide specific clock or timing control signals to the display elements*.

Particular row or column control (e.g., shift register):
This subclass is indented under subclass 98. Subject matter having a row or column scanner for selecting a particular display element*.
(1) Note. The display element* control means may include shift registers for performing the selection of the display element*.

SEE OR SEARCH CLASS:
377, Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems, 64 for shift registers, per se.

Data signal compensation in response to temperature:
This subclass is indented under subclass 87. Subject matter wherein the selective electrical control includes means for generating compensation signals for the liquid crystal display elements* in response to temperature variations.

SEE OR SEARCH CLASS:
349, Liquid Crystal Cells, Elements and Systems, subclass 72 for detection of liquid crystal temperature.

Backlight control:
This subclass is indented under subclass 87. Subject matter wherein a source of light is located in the back of the liquid crystal display elements* for providing light to the liquid crystal display elements*.

SEE OR SEARCH CLASS:
349, Liquid Crystal Cells, Elements and Systems, 61 for particular illumination of liquid crystal material.

Grouped electrodes (e.g., matrix partitioned into sections):
This subclass is indented under subclass 87. Subject matter wherein the liquid crystal display elements* are divided into plural groups which are driven separately so as to scan the entire display matrix at a faster speed.

Input/output liquid crystal display panel:
This subclass is indented under subclass 87. Subject matter wherein the liquid crystal display elements* are used for both inputting and outputting display information.

SEE OR SEARCH THIS CLASS, SUBCLASS:
173 for touch panels used with a generic display device.

Electrochromic elements:
This subclass is indented under subclass 84. Subject matter wherein the color of the display elements* is changed by application of an externally applied electric field.

SEE OR SEARCH THIS CLASS, SUBCLASS:
49 for segmented electrochromic display devices.

SEE OR SEARCH CLASS:
359, Optics: Systems (Including Communication) and Elements, subclass 265 for electrochromic light valve arrays without selective electrical control.

Thermochromic elements:
This subclass is indented under subclass 84. Subject matter wherein the color of the display elements* is changed based on temperature variation of the display elements*.

Particle suspension (e.g., electrophoretic):
This subclass is indented under subclass 84. Subject matter wherein charge pigment particles are suspended by an applied electromotive force in a fluid medium in order to change the color of the light-controlling display elements*.

SEE OR SEARCH CLASS:
359, Optics: Systems (Including Communication) and Elements, 296 for changing the position or orientation of suspended particles in an optical modulator.

Plural mechanically movable display elements:
This subclass is indented under subclass 55. Subject matter in which the display elements* are flags, flaps, or other singular devices which may be moved or rotated selectively so as to be viewed or not viewed thereby altering the visual elements*.

SEE OR SEARCH CLASS:
40, Card, Picture, or Sign Exhibiting, appropriate subclasses for mechanical indicia carrying changeable displays.
116, Signals and Indicators, appropriate subclasses for mechanical indicators.
340, Communications: Electrical, 815.4 for visual indicators of some condition or state with nonselective electrical display control.

Having shutters:
This subclass is indented under subclass 108. Subject matter wherein the display elements* include a hinged cover or screen for selectively covering or uncovering the display elements*.

With motor or rotor driver means:
This subclass is indented under subclass 108. Subject matter wherein the display elements* are driven by a motor.

SEE OR SEARCH CLASS:
318, Electricity: Motive Power Systems, appropriate subclasses for motors in general.

With permanent magnet placed on movable display elements:
This subclass is indented under subclass 108. Subject matter wherein the display elements* include a permanent magnet material which is influenced by application of a magnetic field so as to selectively move or rotate the display elements*.

SEE OR SEARCH CLASS:
335, Electricity: Magnetically Operated Switches, Magnets, and Electromagnets, appropriate subclasses for permanent magnet, per se.

DISPLAY ATTRIBUTE CONTROLLER:
This subclass is indented under the class definition. Subject matter wherein a desired display effect is achieved by a display controller*.
(1) Note. Examples of the classifiable subject matter included herein are: (1) causing certain image data* to be displayed in a specified manner, (2) providing rotation of a previously generated image, (3) providing scrolling of received image data, (4) providing magnification (i.e., size change) of a previously generated image, (5) displaying the image data* at a specified resolution, and (6) providing brightness control and/or selectable colors for the image data* to be displayed.

SEE OR SEARCH THIS CLASS, SUBCLASS:
10 for display control relating specifically to a CRT.
30 for display control relating to a specific display device, such as a gas discharge display panel, an electroluminescent display panel, a light-emitting diode display array or a liquid crystal panel.
418 for the combination of data processing (data creation or manipulation of s:graphic objects or text performed by a computer or processor) and associated display.

SEE OR SEARCH CLASS:
348, Television, appropriate subclasses for systems and subsystems for display of television (real time scanned produced) signals.
382, Image Analysis, appropriate subclasses for previously scanned image data and for image recognition, processing, and nominal display relating to such recognition.

Particular overlay (e.g., superimposing feature):
This subclass is indented under subclass 112. Subject matter wherein the selective electrical control includes a display in which first image data* is conveyed in front of second image data*.

SEE OR SEARCH THIS CLASS, SUBCLASS:
4 for stacked superimposed display devices.
435 for object merge/overlay involving significant data processing.

Foreground and background:
This subclass is indented under subclass 113. Subject matter wherein the first image data* is foreground information and the second image data* is background information.

Simultaneous diverse images:
This subclass is indented under subclass 112. Subject matter wherein a plurality of distinct image data* are displayed at the same time on a display device*.
(1) Note. Displays with distinct and predefined display regions are included here.

SEE OR SEARCH THIS CLASS, SUBCLASS:
302 for synchronization of diverse media.

Character and s:graphical display:
This subclass is indented under subclass 115. Subject matter wherein the plurality of distinct image data* includes alphanumeric* and non-alphanumeric* data to be displayed.

SEE OR SEARCH THIS CLASS, SUBCLASS:
23 for s:graphic and alphanumeric CRT display.

Specified image of abnormal condition:
This subclass is indented under subclass 112. Subject matter wherein the display elements* convey image data* which indicate an unusual status (e.g., an alarm indication via an icon or a change in color based on an unusual condition, etc.).

SEE OR SEARCH THIS CLASS, SUBCLASS:
347 for pop-up control for message or dialog boxes.

SEE OR SEARCH CLASS:
340, Communications: Electrical, 901 for external condition vehicle-mounted indicators or alarms; subclasses 945+ for aircraft alarm or indicating systems; subclasses 984+ for watercraft alarm or indicating systems; subclasses 425.5+ for land vehicle alarms or indicators; subclasses 500+ for condition responsive indicating systems with alarms; subclass 825.32 for alarms related to improper access; subclasses 825.36+ for selective systems having an alarm; and subclasses 825.45+ for alarms relating to a paging system.
368, Horology: Time Measuring Systems or Devices, 12 for displays of time (i.e., watches) having an external alarm.

Having image confined to designated region (e.g., image clipping):
This subclass is indented under subclass 112. Subject matter wherein the image data* is contained within a designated area.

SEE OR SEARCH THIS CLASS, SUBCLASS:
434 for object clipping involving significant data processing.

Image movement or position control (e.g., panning):
This subclass is indented under subclass 112. Subject matter wherein the selective electrical control makes the displayed
image move.

SEE OR SEARCH THIS CLASS, SUBCLASS:
438 for object translation involving significant data processing.

SEE OR SEARCH CLASS:
382, Image Analysis, subclass 295 for image translation or positioning with nominal display control.

Scrolling:
This subclass is indented under subclass 121. Subject matter wherein the desired image movement includes linear incremental movement.

SEE OR SEARCH THIS CLASS, SUBCLASS:
341 for window scrolled to needed portion.

Alphanumeric:
This subclass is indented under subclass 123. Subject matter wherein the incremental movement includes displacement of a text message to be displayed.

SEE OR SEARCH THIS CLASS, SUBCLASS:
25 for alphanumeric CRT display.

Graphical:
This subclass is indented under subclass 123. Subject matter wherein the incremental movement includes displacement of a s:graphical object to be displayed.

SEE OR SEARCH THIS CLASS, SUBCLASS:
24 for s:graphical CRT display.

Rotation:
This subclass is indented under subclass 121. Subject matter wherein the image movement is an angular displacement of the image data*.

SEE OR SEARCH THIS CLASS, SUBCLASS:
437 for object rotation involving significant data processing.

SEE OR SEARCH CLASS:
340, Communications: Electrical, 815.86 for rotary visual indicator.
382, Image Analysis, 296 for image rotation undertaken to correct geometric distortion or misregistration.

Image size control:
This subclass is indented under subclass 112. Subject matter wherein the selective electrical control varies the size of the displayed image.

SEE OR SEARCH THIS CLASS, SUBCLASS:
439 for object scaling involving significant data processing.

SEE OR SEARCH CLASS:
382, Image Analysis, subclass 298 for changing the size of an image undertaken to correct geometric distortion or misregistration.

Alphanumeric:
This subclass is indented under subclass 127. Subject matter wherein the display elements* convey a character message of different size.

SEE OR SEARCH THIS CLASS, SUBCLASS:
25 for alphanumeric CRT display.

Reduction:
This subclass is indented under subclass 128. Subject matter includes means for compressing the size of the displayed character message.

SEE OR SEARCH THIS CLASS, SUBCLASS:
439 for changing the size of a s:graphical object.

Enlargement:
This subclass is indented under subclass 128. Subject matter includes means for expanding the size of the displayed character message.

SEE OR SEARCH THIS CLASS, SUBCLASS:
439 for changing the size of a s:graphical object.

Graphical:
This subclass is indented under subclass 127. Subject matter wherein the display elements* convey s:graphical entities of different size.

SEE OR SEARCH THIS CLASS, SUBCLASS:
24 for s:graphical CRT display.

Defined resolution (e.g., EGA, VGA):
This subclass is indented under subclass 112. Subject matter wherein the selective electrical control provides the image data* for a designated number of display elements*.

SEE OR SEARCH THIS CLASS, SUBCLASS:
428 for adjustment of level of detail of image to be generated.

Graphic display:
This subclass is indented under subclass 112. Subject matter wherein the display elements* convey s:graphical entities (e.g., geometric shapes, drawings, graphs of analog curves, bar graphs, or histograms).

SEE OR SEARCH THIS CLASS, SUBCLASS:
24 for s:graphical CRT display.

Waveform display (e.g., oscilloscope type):
This subclass is indented under subclass 133. Subject matter wherein the display elements* convey waveforms or graphs of analog curves.

SEE OR SEARCH THIS CLASS, SUBCLASS:
440 for generating graph.

SEE OR SEARCH CLASS:
324, Electricity: Measuring and Testing, subclass 121 for measuring and testing electricity using a CRT.
327, Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems, particularly appropriate subclasses for miscellaneous discriminating or selecting circuits.
708, Electrical Computers: Arithmetic Processing and Calculating, subclass 849 for specialized analog function generation including a CRT.

Vector display:
This subclass is indented under subclass 133. Subject matter wherein the display elements* convey a straight line from an input data which may represent terminal points or a point with magnitude and direction.

SEE OR SEARCH THIS CLASS, SUBCLASS:
16 for stroke or vector data responsive deflection control for a CRT.
443 for line generating involving significant data
processing.

With image smoothing control (e.g., anti-aliasing):
This subclass is indented under subclass 133. Subject matter wherein the selective electrical control removes stair-step effects or jagged edges from the displayed s:graphical entities.

SEE OR SEARCH CLASS:
382, Image Analysis, subclass 269 for image enhancement with nominal display control.

Convolving technique:
This subclass is indented under subclass 136. Subject matter wherein a displayed output value is derived by obtaining an average from a number of input values, or wherein a displayed output value is based on convolving a corresponding input value and neighboring input values, so that the output values provide a display wherein stair-step effects or jagged edges are removed.

SEE OR SEARCH THIS CLASS, SUBCLASS:
138 for similar averaging technique.

SEE OR SEARCH CLASS:
708, Electrical Computers: Arithmetic Processing and Calculating, 420 and 813+ for the use of similar convolution techniques for calculation in digital or analog computers.

Averaging technique:
This subclass is indented under subclass 133. Subject matter wherein a displayed output value is derived by obtaining an average from a number of input values, or wherein a displayed output value is based on a corresponding input value and neighboring input values.

SEE OR SEARCH THIS CLASS, SUBCLASS:
137 for similar averaging technique.
428 for adjusting level of detail involving significant data processing.

Perspective:
This subclass is indented under subclass 133. Subject matter wherein the selective electrical control modifies the image data* to produce either a perspective or a shadow effect (e.g., providing a 3D effect on a two-dimensional display).

SEE OR SEARCH THIS CLASS, SUBCLASS:
419 for three-dimensional presentation involving significant data processing.

Bar graph:
This subclass is indented under subclass 133. Subject matter wherein the display elements* convey a variable length-line arrangement to show the condition of a given parameter.

SEE OR SEARCH THIS CLASS, SUBCLASS:
35 for segmented bar graph displays.
440 for generating graph involving segment data processing.

Character display:
This subclass is indented under subclass 112. Subject matter wherein the display elements* convey numeric symbols or symbols of a certain language.

SEE OR SEARCH THIS CLASS, SUBCLASS:
25 for alphanumeric CRT display.
194 for character generator used with computer s:graphics processing systems.
467 for generating or altering character pattern.

SEE OR SEARCH CLASS:
340, Communications: Electrical, 815.53 for lighted alphanumeric or character visual indicator.

Callis:graphic:
This subclass is indented under subclass 141. Subject matter wherein the symbols of a certain language include pictograms; e.g., Katakana, Chinese, Korean, hieroglyphics.

Character border:
This subclass is indented under subclass 467. Subject matter wherein the character data element is generated based on an outline or an edge of a character to be displayed.

SEE OR SEARCH THIS CLASS, SUBCLASS:
470 for generating character fill data from outline data involving significant data processing.

CURSOR MANIPULATION:
This subclass is indented under the class definition. Subject matter wherein the selective electrical control provides a control of a movable operator-controlled display entity or cursor.

SEE OR SEARCH THIS CLASS, SUBCLASS:
157 for cursor mark position control devices.

Menu selection:
This subclass is indented under subclass 145. Subject matter wherein the cursor is used to select from a number of displayed items.

SEE OR SEARCH THIS CLASS, SUBCLASS:
352 for operator interface having menus involving significant data processing.

Intensity control (e.g., gray scale):
This subclass is indented under subclass 112. Subject matter wherein the selective electrical control provides control of the brightness or light intensity level of the image data* to be displayed.

SEE OR SEARCH THIS CLASS, SUBCLASS:
12 and 20, for CRT data responsive intensity control.
63 for matrix fluid light-emitter intensity control.
77 for matrix electroluminescent display with intensity control.
89 for matrix liquid crystal display with gray scale capability.
426 for lighting or shading effects on a 3-D s:graphic object.
432 for adjusting the intensity level of the surface of a s:graphical object.

SEE OR SEARCH CLASS:
340, Communications: Electrical, 815.55 for intensity control for a visual indicator.

Temporal processing (e.g., pulse width variation over time):
This subclass is indented under subclass 147. Subject matter wherein the brightness or light intensity level is controlled by using different time periods in conveying the image data*.

Spatial processing (e.g., patterns or subpixel configurations):
This subclass is indented under subclass 147. Subject matter wherein the brightness or light intensity level is controlled by using different areas in conveying the image data*.

Selectable color attributes:
This subclass is indented under subclass 112. Subject matter wherein the display elements* are capable of conveying two or more colors or wherein the image data* includes information pertaining to two or more colors to be displayed.

SEE OR SEARCH THIS CLASS, SUBCLASS:
22 for CRT color display.
72 for matrix fluid light-emitter color display.
83 for matrix solid body light-emitter color display.
88 for matrix liquid crystal color display.
431 for changing or calculating the color of a s:graphical object.

SEE OR SEARCH CLASS:
340, Communications: Electrical, 815.65 for multiple colors for a visual indicator.

Including optical means:
This subclass is indented under subclass 150. Subject matter wherein color is visualized by means of an external optical element (e.g., polarizers or lens) although produced by selective operation of the display, per se.

SEE OR SEARCH CLASS:
359, Optics: Systems (Including Communication) and Elements, appropriate subclasses for the use of different optical devices.

Designated subpixel arrangement:
This subclass is indented under subclass 150. Subject matter wherein the colors associated with the display elements* are arranged in a designated manner.

Color bit data modification or conversion:
This subclass is indented under subclass 150. Subject matter wherein the selective electrical control transforms or modifies the image data* including color information to be displayed.

Format change (e.g., NTSC to RGB, RGB to composite, or XYZ to RGB):
This subclass is indented under subclass 153. Subject matter wherein the transformation of the color information includes a conversion from one form to another in order to provide a desired output signal.

Change in number of bits for a designated color (e.g., 4 bits to 8 bits, 8 bits to 4 bits):
This subclass is indented under subclass 153. Subject matter wherein the transformation of the color information includes a conversion in the quantity of bits in describing a certain color.

DISPLAY PERIPHERAL INTERFACE INPUT DEVICE:
This subclass is indented under the class definition. Subject matter wherein the selective electrical control includes means which permits an operator to selectively control a display device*.
(1) Note. The peripheral input devices are used for interfacing with a display device* for controlling the display device* in some manner, such as positioning a cursor or other indicia of the point of specific control.

SEE OR SEARCH CLASS:
710, Electrical Computers and Digital Data Processing Systems: Input/Output, 1 for transferring data from one or more peripherals to one or more computers for the latter to process, store, or further transfer or for transferring data from the computers to the peripherals.

Cursor mark position control device:
This subclass is indented under subclass 156. Subject matter wherein the peripheral input device positions a marker on the screen of the display device*.

SEE OR SEARCH THIS CLASS, SUBCLASS:
145 for cursor manipulation.

Including orientation sensor (e.g., infrared, ultrasonic, remotely controlled):
This subclass is indented under subclass 157. Subject matter wherein the peripheral input device is provided with a sensing means for determining the position of the cursor mark.

Having variable cursor speed:
This subclass is indented under subclass 157. Subject matter wherein the cursor mark can be moved at different rates.

Cursor key:
This subclass is indented under subclass 157. Subject matter wherein keys are used for controlling the position of the cursor mark.

SEE OR SEARCH THIS CLASS, SUBCLASS:
145 for cursor manipulation.

Joystick:
This subclass is indented under subclass 157. Subject matter
wherein a control handle pivoted for motion in all directions controls the position of the cursor mark.

SEE OR SEARCH CLASS:
74, Machine Element or Mechanism, 471 for mechanical structure directed to a joystick control not relating to a display.
200, Electricity: Circuit Makers and Breakers, 5 for electrical multiple switch control such as a joystick, per se.
273, Amusement Devices: Games, 148 for joystick control specific to a video game.

Positional storage means:
This subclass is indented under subclass 157. Subject matter wherein the cursor mark position control device is provided with a storage device for storing X and Y positional information.

Mouse:
This subclass is indented under subclass 157. Subject matter wherein the cursor mark position device is movable on a fixed surface (e.g., desk top) for controlling the position of cursor mark.

Rotatable ball detector:
This subclass is indented under subclass 163. Subject matter wherein the mouse includes a rotatable ball for detecting movement of the mouse.

SEE OR SEARCH THIS CLASS, SUBCLASS:
167 for using a trackball for moving the cursor position.

Photosensor encoder:
This subclass is indented under subclass 164. Subject matter wherein photosensors are used for encoding the rotation of the rotatable ball.

SEE OR SEARCH CLASS:
250, Radiant Energy, appropriate subclasses for photosensor encoder, per se.

Optical detector:
This subclass is indented under subclass 163. Subject matter wherein the mouse includes photosensors for detecting movement of the mouse.

Trackball:
This subclass is indented under subclass 157. Subject matter wherein the cursor mark position control device is a rotatable ball rotated by the operator.

SEE OR SEARCH THIS CLASS, SUBCLASS:
164 for a rotatable ball detector in a mouse.

Including keyboard:
This subclass is indented under subclass 156. Subject matter wherein the operator uses plural keys for selectively inputting information data to control the display device*.

SEE OR SEARCH THIS CLASS, SUBCLASS:
160 for cursor control by keyboard.

SEE OR SEARCH CLASS:
340, Communications: Electrical, 407.1 for keyboard based in tactual indicator.
341, Coded Data Generation or Conversion, 22 for bodily actuated code generation relating to a keyboard and not a display.
708, Electrical Computers: Arithmetic Processing and Calculating, 142 for electric digital calculating computers with specialized input including keyboard data entry.

Portable (i.e., handheld, calculator, remote controller):
This subclass is indented under subclass 168. Subject matter wherein the keyboard is compact and can be held within the palm of an user.

SEE OR SEARCH CLASS:
708, Electrical Computers: Arithmetic Processing and Calculating, 142 for electric digital calculating computers with specialized input including keyboard data entry.

Light source associated with each key:
This subclass is indented under subclass 168. Subject matter wherein each key of the keyboard is associated with a light-emitting element (e.g., LED, lamp, etc.).

SEE OR SEARCH CLASS:
341, Coded Data Generation or Conversion, subclass 31 for photoelectric actuation.

Having foreign language capability (e.g., Japanese, Chinese):
This subclass is indented under subclass 168. Subject matter wherein the keyboard is capable of inputting non-English alphabets.

SEE OR SEARCH CLASS:
704, Data Processing: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression, 1 for foreign language processing or translation.

Having programmable function key:
This subclass is indented under subclass 168. Subject matter wherein the keyboard includes a specific key for performing specific functions assigned by a program.

SEE OR SEARCH CLASS:
708, Electrical Computers: Arithmetic Processing and Calculating, subclass 144 for a user definable key in a calculator.

Touch panel:
This subclass is indented under subclass 156. Subject matter wherein the peripheral input device includes a planar touch sensor which determines the position of a touch.

SEE OR SEARCH CLASS:
178, Telegraphy, 18.01 for structure directed to an input digitizing writing tablet and not to a display.
200, Electricity: Circuit Makers and Breakers, 512 for membrane-type solid contact relating to a switch of a touchpad.
340, Communications: Electrical, 407.1 for tactual indicator.

Including impedance detection:
This subclass is indented under subclass 173. Subject matter wherein the touch panel includes impedance sensors (e.g., resistance, capacitance, inductance, etc.) for determining the position of the touch.

Including optical detection:
This subclass is indented under subclass 173. Subject matter wherein the touch panel utilizes optical sensors (e.g., photodiodes, phototransistors) for determining the position of the touch.

Transparent substrate having light entrapment capability (i.e., waveguide):
This subclass is indented under subclass 173. Subject matter wherein the touch panel includes a transparent material mounted on the display device* for entrapping the light within the substrate.

SEE OR SEARCH CLASS:
385, Optical Waveguides, appropriate subclasses for optical waveguides in general.

Including surface acoustic detection:
This subclass is indented under subclass 173. Subject matter wherein the touch panel includes surface acoustical transducers for determining the position of a touch.

SEE OR SEARCH CLASS:
367, Communications, Electrical: Acoustic Wave Systems and Devices, appropriate subclasses for acoustical transducers in general.

Alignment or calibration capability (i.e., parallax problem):
This subclass is indented under subclass 173. Subject matter wherein the input device compensates for any misalignment of a touch location and its corresponding energized display element*.

Stylus:
This subclass is indented under subclass 156. Subject matter wherein the operator uses a handheld pointer to input positional information data to the display device*.

SEE OR SEARCH THIS CLASS, SUBCLASS:
180 for a light pen for a CRT.

Light pen for CRT display:
This subclass is indented under subclass 156. Subject matter wherein the operator uses a handheld light pen to input positional information data to the cathode-ray tube display device*.

SEE OR SEARCH THIS CLASS, SUBCLASS:
179 for using stylus to input to a display device.

CRT having tracking capability:
This subclass is indented under subclass 180. Subject matter wherein the electron beam of the CRT traces the movement of the light pen on a surface of the CRT.

Light pen for fluid matrix display panel:
This subclass is indented under subclass 156. Subject matter wherein the operator uses a handheld light pen to input positional information data to a fluid matrix display panel.

Light pen for controlling plural light-emitting display elements (e.g., LEDs, lamps):
This subclass is indented under subclass 156. Subject matter wherein the operator uses a handheld light pen to control the on or off state of the light-emitting display elements* (e.g., LED or lamp, etc.) on the display device*.

Mechanical control (e.g., rotatable knob, slider):
This subclass is indented under subclass 156. Subject matter wherein the operator uses a rotatable knob or interconnected mechanical arms to input data or to control the position of a cursor.

Color memory:
This subclass is indented under subclass 507. Subject matter wherein the store means stores color image data*.

SEE OR SEARCH THIS CLASS, SUBCLASS:
199 for color look-up-table.

Addressing with priority:
This subclass is indented under subclass 510. Subject matter including means for assigning storage locations to the multiple planes based on priority access.

Mask data operation:
This subclass is indented under subclass 509. Subject matter wherein the store means stores information which covers previously stored information.

Character memory:
This subclass is indented under subclass 507. Subject matter wherein the store means retains codes which represent an alphanumeric* symbol.

Addressing:
Subject matter under 192 includes means for assigning storage location to the codes.

SEE OR SEARCH CLASS:
711, Electrical Computers and Digital Processing Systems: Memory, subclasses 1-5 for addressing combined with
specific memory configuration (e.g., extended, expanded, dynamic, etc.) and subclasses 200+ for generalized address forming in a digital data processing system.

Character generator:
This subclass is indented under subclass 192. Subject matter wherein the character memory includes a store for retaining a character pattern.

SEE OR SEARCH THIS CLASS, SUBCLASS:
26 for character generator used with a CRT.
141 for character display on a generic display device.
467 for generating or altering a character pattern.

Multiple fonts:
This subclass is indented under subclass 194. Subject matter wherein the character memory includes a plurality of the character generators or provides for a plurality of character pattern styles.

SEE OR SEARCH CLASS:
395, Information Processing System Organization, subclass 805 for document processing font selection.

Row buffer (e.g., line memory):
This subclass is indented under subclass 507. Subject matter wherein the store means includes a register for retaining a line of the image data*.

Shift register:
This subclass is indented under subclass 513. Subject matter in which the store means retains a number of bits in a sequential manner.

SEE OR SEARCH CLASS:
377, Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems, 64 for shift registers, per se.

With routing logic:
This subclass is indented under subclass 197. Subject matter including a logic means cooperating with the shift register for establishing read or write operation.

Color look-up-table (e.g., palette):
This subclass is indented under subclass 507. Subject matter wherein the store means includes a palette for retaining color data.

SEE OR SEARCH THIS CLASS, SUBCLASS:
22 for CRT color display.
72 for matrix fluid light-emitter color display.
83 for matrix solid body light-emitter color display.
88 for matrix liquid crystal color display.
150 for selectable color attributes relating to a visual image to be displayed by a generic display device.
186 for display color memory.
431 for s:graphical color data processing.

Data compression or compaction:
This subclass is indented under subclass 507. Subject matter wherein the quantity of the image data* is reduced prior to storage in the store means.

SEE OR SEARCH CLASS:
382, Image Analysis, 232 for image data compression not
related to a display storage device.

Significant data assignment in storage device:
This subclass is indented under subclass 507. Subject matter wherein the image data* is stored in the store means in accordance with a certain arrangement and format.

DISPLAY DRIVING CONTROL CIRCUITRY:
This subclass is indented under the class definition. Subject matter wherein the selective electrical control is provided by a collection of one or more specified electrical control devices.

Physically integral with display elements:
This subclass is indented under subclass 204. Subject matter in which the control devices and the display elements* share some structural element, (e.g., to share an electrode of a capacitor in a control device with an electrode of a display element*).

Having common base or substrate:
This subclass is indented under subclass 205. Subject matter wherein the structural element is a base or substrate for both the control devices and the display elements*.

Light detection means (e.g., with photodetector):
This subclass is indented under subclass 204. Subject matter wherein the control devices include an element which senses light for driving the display elements*.

SEE OR SEARCH THIS CLASS, SUBCLASS:
166 for optical detector for detecting movement of a mouse.

SEE OR SEARCH CLASS:
250, Radiant Energy, 200 for light detection using photocell circuitry and subclass 553 for light source array or matrix.

Waveform generator coupled to display elements:
This subclass is indented under subclass 204. Subject matter in which the control devices include a source or generator of specific waveforms which is responsive to input data to selectively apply the waveforms to the display elements*.

SEE OR SEARCH THIS CLASS, SUBCLASS:
53 for waveform generation for a segmented liquid crystal display.
94 for waveform generation for a matrix liquid crystal display.

Field period polarity reversal:
This subclass is indented under subclass 208. Subject matter in which the waveforms applied to the display elements* are alternatively supplied in a positive and negative manner.

Having three or more voltage levels:
This subclass is indented under subclass 208. Subject matter in which the waveform includes pulses with at least three different voltage values in driving the display elements*.

Display power source:
This subclass is indented under subclass 204. Subject matter wherein the display elements* have a specified electrical power source and the power source includes means for controlling power supplied relative to a display element* characteristic; e.g., varied current for varied size of
element.

SEE OR SEARCH CLASS:
315, Electric Lamp and Discharge Devices: Systems, 169.1 for combination of display and an energizing source not limited to selective electrical control of the resultant image.
323, Electricity: Power Supply or Regulation Systems, appropriate subclasses for specifics of a power supply.
349, Liquid Crystal Cells, Elements and Systems, 19 for a particular energizing source for a liquid crystal cell structure.
359, Optics: Systems (Including Communication) and Elements, 245 for electro-optic displays and an energizing source not limited to selective electrical control of the resultant image; subclasses 265+ for electrochromic displays and an energizing source not limited to selective electrical control of the resultant image.

Regulating means:
This subclass is indented under subclass 211. Subject matter wherein the controlling means limits the power supplied to the display elements* in some manner (e.g., establishing a maximum voltage to be applied to the display elements* or establishing a certain time period for the driving voltage to be applied).

Synchronizing means:
This subclass is indented under subclass 211. Subject matter wherein the power source includes a clock means for providing timing signals to the display elements* to display the image data* at a certain time.

Controlling the condition of display elements:
This subclass is indented under subclass 204. Subject matter includes means to maintain the operational properties of the display elements*(e.g., to maintain the display elements* within a certain operational range).

Including priming means:
This subclass is indented under subclass 214. Subject matter including means for controlling the readiness of the display elements* to be activated (e.g., by initially charging the display elements*).

Synchronization of diverse media:
This subclass is indented under subclass 418. Subject matter wherein a presentation includes elements having more than one data type where the elements are presented in a predetermined order and timing relationship.
(1) Note. Authoring, playing, or recording a presentation which includes synchronization of different media is classified herein.

SEE OR SEARCH THIS CLASS, SUBCLASS:
115 for display attribute controllers for simultaneous diverse images.

OPERATOR INTERFACE:
This subclass is indented under the class definition. Subject matter wherein a user's interaction with a computer system is used to control the presentation of display data. Such interaction is interpreted and used by a data processor or computer architecture wherein system level elements of computation or data processing techniques are used prior to use with or in a specific display system.
(1) Note. Significantly claimed structure external to the user interface methods or apparatuses, claimed in combination with subject matter under this operator interface subclass, which displays or produces an image or sensory message related to such external structure or its function, is classified in the class appropriate to the external structure; however, nominally claimed structure external to this subclass, claimed in combination with subject matter under this subclass definition (i.e., creation or manipulation of icons, menus, windows, and user interactive functions), is classified in these subclasses unless provided for in the appropriate external subclass.
(2) Note. Processing of interactive data for presentation with at most a nominal recitation of the input device (i.e., where the user's input is used to control the presentation of display data) is classified herein.
(3) Note. Windowing techniques which can include interactive processes are classified herein.

SEE OR SEARCH THIS CLASS, SUBCLASS:
1 for claims which recite specific display systems which include display memory organization and structure for storing an image and manipulating image data between the display memory and the display system.
156 for details of a user input interface device with a specific display system, per se, both physical (e.g., mouse, joystick, keyboard, light pen, touch screen) and logical (e.g., cursor-pick, select,-choice).
418 for a specific hardware for performing s:graphical data processing.

SEE OR SEARCH CLASS:
705, Data Processing-Financial, Business Practice, Management, or Cost/Price Determination, 1 for use of operator interface in electronic financial or business management systems, particularly subclasses 26+ for electronic shopping systems utilizing operator interface.

Interaction in a television environment:
Subject matter under 326 wherein the user is given control over operations involving broadcast, real-time, or live-action video signals.

SEE OR SEARCH CLASS:
348, Television, appropriate subclasses for details of video signal processing external to the operator interface.

For video segment editing or sequencing:
Subject matter under 327 wherein the operations include arranging portions of acquired video material into a different order than that in which it was originally obtained.

For plural users or sites:
Subject matter under 326 wherein concurrently established related or collaborative interfaces are provided to multiple displays.

SEE OR SEARCH CLASS:
709, Electrical Computers and Digital Processing Systems: Multiple Computer or Process Coordinating, 200 for transmission of information among multiple computer systems

Computer conferencing:
Subject matter under 329 wherein data from participants at the display sites is distributed to other participants at other collaborative sites.

SEE OR SEARCH CLASS:
709, Electrical Computers and Digital Processing Systems: Multiple Computer or Process Coordinating, 200 for details of the transfer of data among a plurality of computers or digital data processing systems.

Computer supported cooperative work:
Subject matter under 329 wherein users at the multiple displays join in completing a given task as a group.

Group window:
Subject matter under 331 wherein a display representing the group's work appears at the sites in a constrained screen region.

Interface customization or edition:
Subject matter under 326 wherein an aspect of the operator interface is modified or established.

Graphical appearance:
Subject matter under 333 wherein a visual attribute of an element in the operator interface is modified.

Link between object and task or function (e.g., client/server):
Subject matter under 333 wherein the aspect is a relationship between interface feature and routine performed.

Having on-line help:
Subject matter under 326 wherein a user can access assistance or information regarding an application or operation interactively.

Adaptive to user skill level:
Subject matter under 336 wherein the assistance or information provided is adjusted according to a determined user proficiency.

Context sensitive:
Subject matter under 336 wherein the assistance or information provided is determined by current conditions or a desired operation.

On-screen workspace or object:
Subject matter under 326 providing a specific element in an interface with which a user can interact.

Window:
Subject matter under 339 wherein all interactions are constrained to one or more portions or regions of the display, which may display all or part of their related information.

Window scrolled to needed portion:
Subject matter under 340 wherein, when a window displays only part of its related information, the user can selectively control which portion is displayed.

Layout modification (e.g., move or resize):
Subject matter under 340 wherein the placement, location, or size of windows relative to the display may be modified.

Window differentiation:
Subject matter under 340 wherein windows have attributes which distinguish them from other windows.

Priority:
Subject matter under 343 wherein the attribute is priority, which is used to determine which window of a plurality is in the foreground when windows overlap.

Viewing lower priority window:
Subject matter under 344 wherein the priority attributes are changed when the user needs to operate within a lower priority window.

Interwindow link or communication:
Subject matter under 340 wherein windows have established relationships to other windows, allowing communication between windows, grouping of related windows into sets, or allowing operations to be applied in common to groups of windows.

SEE OR SEARCH CLASS:
709, Electrical Computers and Digital Processing Systems: Multiple Computer or Process Coordinating, 200 for details of data transfer to achieve computer conferencing and subclass 329 for details of inter-program communication used with interrelated windows containing respective program interfaces.

Pop-up control (e.g., message or dialog box):
Subject matter under 339 wherein an interface element not previously displayed appears on the screen in response to user interaction or when user interaction is required.

Icon:
Subject matter under 339 wherein an interface element is a s:graphical representation of a function or system resource which is accessed when the s:graphical representation is selected by user interaction.

Metaphoric icon object:
Subject matter under 348 wherein an icon s:graphically
suggests a real-world item which performs a function analogous to a function invoked by selection of the icon.

Indexed book or notebook:
Subject matter under 349 wherein the metaphoric object suggests a multi-page text- or document-based item, and wherein user interaction with an associated sub-element causes a corresponding page to be displayed or selected.

SEE OR SEARCH THIS CLASS, SUBCLASS:
473 for details of the animation procedure used to indicate progression to various book pages.

Office layout (e.g., filing cabinet, desk):
Subject matter under 349 wherein the metaphoric object or objects suggest a business environment, enabling access to various items commonly found in a real-world workspace.

Menu:
Subject matter under 339 wherein the interface element is a list of items from which the user may choose.

Sub-menu structure:
Subject matter under 352 wherein the user may traverse a number of related and linked menu lists, based upon successive choices.

Using button array:
Subject matter under 352 wherein the menu is composed of an arrangement of symbolic s:graphical selection indicia (e.g., pick region).

Interface represented by 3D space:
Subject matter under 339 wherein the user appears to move within a 3D space of interface elements.

SEE OR SEARCH THIS CLASS, SUBCLASS:
419 for details of particular three-dimensional s:graphics manipulation, rendering, or presentation techniques used to generate the interface.

Hierarchy or network structure:
Subject matter under 339 wherein interface elements are organized into a tree structure type or a linked node grouping.

Navigation within structure:
Subject matter under 356 wherein the user can navigate through the interface by following the links from one node to another.

Gesture-based:
Subject matter under 326 wherein a path or shape described by user input is indicative of a desired operation.

SEE OR SEARCH THIS CLASS, SUBCLASS:
156 for the details of user input devices used to accomplish such input.

SEE OR SEARCH CLASS:
382, Image Analysis, appropriate subclasses for details of the detection of the identity of a desired operation on the basis of an image defined by the path or shape.

COMPUTER GRAPHICS PROCESSING:
This subclass is indented under the class definition. Subject matter wherein data is displayed to a user for visual viewing (e.g., control of the form of the data on a CRT, monitor, screen, display device, or any generic visual output device).
(1) Note. Subject matter of this subclass may include means or steps for interaction between a user and the display.
(2) Note. Processing of interactive data for presentation with at most a nominal recitation of the input device (i.e., where the user's input is used to control the presentation of display data) is classified herein.
(3) Note. Means or steps for creating or manipulating s:graphics objects or text is classified herein or a further subclass thereof.

SEE OR SEARCH THIS CLASS, SUBCLASS:
1 through 111, for details of specific display systems. See note (3) above.
112 through 144, for display attribute control. See note (3) above.
156 for user input interface with a specific display system (e.g., mouse, light pen, touch tablet). See note (2) above.

SEE OR SEARCH CLASS:
463, Amusement Devices: Games, 1, where there is recited a method or apparatus for moving or processing information specified as game or contest information (e.g., a video game, etc.), especially subclasses 31+ for specifics of processing visual information data in a game or contest appropriate for Class 463.

Three-dimension:
This subclass is indented under subclass 418. Subject matter wherein objects are pictured to show them as they appear to the eye with reference to relative distance or depth from an imaginary viewpoint.

SEE OR SEARCH THIS CLASS, SUBCLASS:
139 for the selective control to modify the image data to
produce either a perspective or a shadow effect.

Solid modelling:
This subclass is indented under subclass 419. Subject matter wherein complex objects are represented as a combination of simpler shapes or primitives and the relationships between them.

SEE OR SEARCH THIS CLASS, SUBCLASS:
423 for the process of dividing a surface or 3D s:graphic object into smaller surfaces.

Hidden line/surface determining:
This subclass is indented under subclass 419. Subject matter wherein it is determined whether a portion of an object is hidden or covered by another object and, if so, not displaying (removing) that portion of the object which is hidden.

SEE OR SEARCH THIS CLASS, SUBCLASS:
435 for merging or overlapping s:graphic objects.

Z buffer (depth buffer):
This subclass is indented under subclass 421. Subject matter wherein a memory having locations corresponding to display locations stores distance information* which is used to determine which objects or portions of objects are hidden.

Tessellation:
This subclass is indented under subclass 419. Subject matter which includes the process of dividing a surface or 3D s:graphic object into smaller surfaces or 3D s:graphic objects.

SEE OR SEARCH THIS CLASS, SUBCLASS:
420 for solid modeling of complex objects.

Voxel:
This subclass is indented under subclass 419. Subject matter wherein a volume element represents a value at a point in three-dimensional space (similar to a pixel in two-dimensional space).

Mapping image onto surface of 3D object:
This subclass is indented under subclass 419. Subject matter wherein a 2D image is transformed to appear as if on a surface of a 3D object.

SEE OR SEARCH CLASS:
382, Image Analysis, subclass 285 for similar mapping of 2-D image onto a 3-D surface.

Lighting/shading:
This subclass is indented under subclass 419. Subject matter which determines intensity or color on a surface of the object taking into consideration light sources, surface characteristics and object orientation.

Space transformation:
This subclass is indented under subclass 419. Subject matter wherein a 3D coordinate data set representing a 3D model is manipulated to create a 2D coordinate data set representing a proper perspective view of an object from an imaginary viewpoint.

Adjusting level of detail:
This subclass is indented under subclass 418. Subject matter wherein a change is made in the resolution of a s:graphic object.
(1) Note. In three-dimensional systems resolution is used to account for distance or atmospheric conditions.

SEE OR SEARCH THIS CLASS, SUBCLASS:
132 for systems which convert the resolution of a display screen from one standard to another (e.g., VGA, EGA).

Surface detail/characteristic:
This subclass is indented under subclass 418. Subject matter wherein the information is processed which relates to the attributes of an object or portion of an image.

Texture:
This subclass is indented under subclass 429. Subject matter wherein the attributes include distribution of color and intensity on a surface to give an appearance of texture, such as smooth, rough, shiny, dull.

Color:
This subclass is indented under subclass 429. Subject matter wherein the attribute includes color.

SEE OR SEARCH THIS CLASS, SUBCLASS:
150 for displaying selectable color attributes.

Intensity:
This subclass is indented under subclass 429. Subject matter wherein the attribute is brightness.

SEE OR SEARCH THIS CLASS, SUBCLASS:
147 for selectively controlling the light intensity level of image data to be displayed.

Object processing:
This subclass is indented under subclass 418. Subject matter wherein the data representing a s:graphic object is manipulated.
(1) Note. This subclass provides for generating and processing data representing a s:graphic object.

SEE OR SEARCH THIS CLASS, SUBCLASS:
441 for generating s:graphic objects without manipulation.

Clipping:
This subclass is indented under subclass 433. Subject matter wherein the s:graphic object is restricted to a particular region in the presentation space, with those portions not in the space being removed.

Merge/overlay:
This subclass is indented under subclass 433. Subject matter including two or more overlapping s:graphic objects.

SEE OR SEARCH THIS CLASS, SUBCLASS:
421 for determining whether a portion of an object is hidden or covered by another object.

Affine:
This subclass is indented under subclass 433. Subject matter wherein the s:graphic object is at least rotated (pivoted about its centerpoint) and translated, rotated and scaled, or translated and scaled.
(1) Note. The s:graphic object can also be rotated, scaled, and translated.

Rotation:
This subclass is indented under subclass 433. Subject matter wherein the s:graphic object is pivoted about its centerpoint.

SEE OR SEARCH THIS CLASS, SUBCLASS:
126 for the selective rotation of image data.

SEE OR SEARCH CLASS:
382, Image Analysis, 296 for similar processes for rotating an image.

Translation:
This subclass is indented under subclass 433. Subject matter wherein the s:graphic object is moved to another position.

SEE OR SEARCH CLASS:
382, Image Analysis, subclass 295 for similar processes for positioning or translating an image.

Scaling:
This subclass is indented under subclass 433. Subject matter wherein the size of the s:graphic object is changed.

SEE OR SEARCH THIS CLASS, SUBCLASS:
127 for controlling the size of an image.
472 for scaling the size of a stored font.

SEE OR SEARCH CLASS:
382, Image Analysis, for similar processes for changing the size of an image.

Graph generating:
This subclass is indented under subclass 418. Subject matter wherein a set of display points define a graph showing a relationship between two or more variables.

Shape generating:
This subclass is indented under subclass 418. Subject matter wherein a set of display points define a two-dimensional representation of a s:graphic object.

Curve:
This subclass is indented under subclass 441. Subject matter wherein the s:graphic object defined is a curved line, e.g., arc.

SEE OR SEARCH THIS CLASS, SUBCLASS:
443 for defining the s:graphical object as a straight line.

Straight line:
This subclass is indented under subclass 441. Subject matter wherein the s:graphic object defined is a straight line, e.g., using Bresenham's algorithm.

SEE OR SEARCH THIS CLASS, SUBCLASS:
442 for defining the s:graphical object as a curve line.

Font generating:
This subclass is indented under subclass 418. Subject matter wherein a character data element is generated.

SEE OR SEARCH THIS CLASS, SUBCLASS:
25 through 26, for data responsive CRT display control for alphanumeric display.
141 through 142, for display attribute controllers for character display.
192 through 195, for character memory display storage device.

Character geometry processing:
This subclass is indented under subclass 467. Subject matter wherein the character data element is generated based on a geometric attribute.

Character generation using control points or hints:
This subclass is indented under subclass 468. Subject matter wherein the character data element is generated based on intersecting and nonintersecting control points or additional processing instructions that are coded to the font contours.

Generating character fill data from outline data:
This subclass is indented under subclass 467. Subject matter wherein formation of display data within the confines of outer and inner perimeters of textual characters is performed.

Alteration of stored font:
This subclass is indented under subclass 467. Subject matter wherein the existing font parameter is modified to create a different appearance.

Scaling:
This subclass is indented under subclass 471. Subject matter wherein a size of displayed font is modified.

SEE OR SEARCH THIS CLASS, SUBCLASS:
439 for changing the size of a s:graphical object.

Animation:
This subclass is indented under subclass 418. Subject matter wherein a sequence of individual display images are generated for presentation as a sequence to simulate motion (e.g., cartoons).

Motion planning or control:
This subclass is indented under subclass 473. Subject matter wherein locations traversed by animation are planned or controlled, particularly where a path is to be maintained or objects on a path are to be avoided.

Temporal interpolation or processing:
This subclass is indented under subclass 473. Subject matter wherein movement using a series of computed intermediate positioned displays is displayed.

COMPUTER GRAPHIC PROCESSING SYSTEM:
This subclass is indented under the class definition. Subject matter comprising apparatus or method for processing or manipulating data for presentation by a computer prior to use with or in a specific display system.

SEE OR SEARCH THIS CLASS, SUBCLASS:
27 through 28 and 507+, for subject matter including display memory organization and structure for storing an image and manipulating image data between the display memory and the display system.

SEE OR SEARCH CLASS:
348, Television, appropriate subclasses for TV video signal processing.
382, Image Analysis, appropriate subclasses for image data analysis systems.
711, Electrical Computers And Digital Processing Systems: Memory, appropriate subclasses for memory addressing, accessing, and controlling.

Plural s:graphics processors:
This subclass is indented under subclass 501. Subject matter wherein more than one s:graphics processor is used.

SEE OR SEARCH CLASS:
712, Electrical Computers and Digital Processing Systems: Processing Architectures and Instruction Processing (e.g., Processors), 1 for arrangement of processors for performing data processes in general.

Coprocessor (e.g., s:graphic accelerator):
This subclass is indented under subclass 502. Subject matter wherein two or more s:graphics processors operate concurrently with the different processors performing different types of operations to increase the system performance.

Master-slave processors:
This subclass is indented under subclass 502. Subject matter wherein one s:graphics processor (master) supervises or controls the operations of one or more other s:graphics processors (slaves).

Parallel processors (e.g., identical processors):
This subclass is indented under subclass 502. Subject matter wherein the plurality of processors operate simultaneously.

Pipeline processors:
This subclass is indented under subclass 502. Subject matter wherein the plural processors are operated sequentially.

DISPLAY STORAGE DEVICE:
This subclass is indented under the class definition. Subject matter wherein the computer s:graphics processing system includes a store means manipulating the memory addressing or contents of the memory.

SEE OR SEARCH THIS CLASS, SUBCLASS:
422 for memory used as depth buffer.

SEE OR SEARCH CLASS:
315, Electric Lamp and Discharge Devices: Systems, subclass 13.11 for CRT having plural ray-type storage tubes and subclass 84.51 for pulse storing systems of the gaseous discharge tube type.
365, Static Information Storage and Retrieval, appropriate subclasses for static storage systems using visible light for the retrieval of stored information, instead of for the display of a selected image.
369, Dynamic Information Storage or Retrieval, appropriate subclasses for dynamic storage systems using visible light for the retrieval of stored information instead of for the display of a selected image.
711, Electrical Computers and Digital Processing Systems: Memory, appropriate subclasses for memory addressing, accessing and controlling.

Plural storage devices:
This subclass is indented under subclass 507. Subject matter wherein the store means includes a number of distinct
memories.

Bit map or s:graphic memory:
This subclass is indented under subclass 507. Subject matter wherein the store means retains on or off (0 or 1) bits to represent one-to-one correspondence between the stored image data and the pixel data of a displayed image data.

Multiple planes:
This subclass is indented under subclass 186. Subject matter wherein the store means include a plurality of bit maps for storing color image data*.

Data transfer between memories:
This subclass is indented under subclass 508. Subject matter wherein data is transferred from one location to another location in the same memory or between memories.

Shared memory:
This subclass is indented under subclass 507. Subject matter wherein the memory is shared by more than one s:graphics processor.

SEE OR SEARCH CLASS:
711, Electrical Computers and Digital Processing Systems: Memory, 147 for shared memory storage accessing and controlling.

Register:
This subclass is indented under subclass 507. Subject matter wherein the s:graphic processing system includes a temporary
storage device, and the contents of the register are data elements or memory location addresses.

Condition code, flag, or status:
This subclass is indented under subclass 507. Subject matter wherein the contents of the storage device are codes which represent the current state or condition of the s:graphics processor.

SEE OR SEARCH CLASS:
711, Electrical Computers and Digital Processing Systems: Memory, subclass 156 for storing codes which represent the status of the storage device.

Addressing:
This subclass is indented under subclass 509. Subject matter including means for assigning storage locations to the picture data.

SEE OR SEARCH CLASS:
711, Electrical Computers and Digital Processing Systems: Memory, subclasses 1-5 for addressing combined with specific memory configuration(e.g., extended, expanded, dynamic, etc.) and subclasses 200+ for generalized address forming in a digital data processing system.

Addressing circuitry:
This subclass is indented under subclass 507. Subject matter wherein the computer s:graphics processing system includes means for assigning storage locations to the store means.

SEE OR SEARCH CLASS:
365, Static Information Storage and Retrieval, 230.01 for addressing addressable, static, single storage elements.
711, Electrical Computers And Digital Processing Systems: Memory, subclasses 1-5 for addressing combined with specific memory configuration (e.g., extended, expanded, dynamic, etc.) and subclasses 200+ for generalized address
forming in a digital data processing system.

Memory addresses arranged in matrix (e.g., row and column addresses):
This subclass is indented under subclass 516. Subject matter wherein storage locations are arranged to form rows and columns of data accessible by a single row or column address.

Multiple port access:
This subclass is indented under subclass 507. Subject matter wherein the memory is configured such that there is more than one access port to and from memory, also including read/write operations.

Integrated circuit (e.g., single chip semiconductor device):
This subclass is indented under subclass 501. Subject matter wherein one or more of the components of a s:graphic processing systems are composed on an single semiconductor chip.

SEE OR SEARCH CLASS:
365, Static Information Storage and Retrieval, appropriate subclasses, in particular 189.01 and 230.01+ for read/write and addressing circuitry for a semiconductor structure device.
712, Electrical Computers and Digital Processing Systems: Processing Architectures and Instruction Processing (e.g., Processors), 1 for microprocessor architecture formed on one chip.

Interface (e.g., controller):
This subclass is indented under subclass 501. Subject matter including a means for communicating or controlling between one of s:graphic processing component and another s:graphic
processing component.

Memory:
This subclass is indented under subclass 520. Subject matter wherein the interfacing means is between a s:graphics processor and a storage device.

Graphic command processing:
This subclass is indented under subclass 501. Subject matter wherein a CPU or a host computer issues a command to a s:graphic processing system to perform an operation.
(1) Note. Claims which recite processing commands specifically for a s:graphics system are classified herein.

SEE OR SEARCH CLASS:
712, Electrical Computers and Digital Processing Systems: Processing Architectures and Instruction Processing (e.g., Processors), 200 for general instruction processing, such as instruction, prefetching, fetching, execution, etc.

Data manipulation (e.g., masking, interpolation):
This subclass is indented under subclass 501. Subject matter wherein a s:graphics processor defines operations for processing and manipulating the data.

Logical operation:
This subclass is indented under subclass 523. Subject matter wherein logical expression is used by the arithmetic and logic unit (ALU) to manipulate the data.

Bit block transfer:
This subclass is indented under subclass 523. Subject matter wherein a rectangular group of pixels (blocks of bits describing the pixels) move from one location (source) to another location (destination).

Data transfer between s:graphic system components:
This subclass is indented under subclass 501. Subject matter wherein data is transferred between s:graphic system components (e.g., a s:graphic processor and a memory).

ELECTRONIC BOOK WITH DISPLAY:
This subclass is indented under the class definition. Collection of art wherein the display elements* only convey information from a publication.
(1) Note. Typically the image data* is stored by some form of removable memory, and often the display device* is portable.

MENU DISPLAY:
This subclass is indented under the class definition. Collection of art wherein the image data* includes a listing of items wherein an item may be selected as part of the selective electrical control.

SEE OR SEARCH THIS CLASS, SUBCLASS:
352 for menu data processing.

MODULAR DISPLAY:
This subclass is indented under the class definition. Collection of art wherein the display elements* are easily combinable to form a larger display device*.

SEE OR SEARCH THIS CLASS, SUBCLASS:
1 for plural display systems.

DISPLAY WITH FAIL/SAFE TESTING FEATURE:
This subclass is indented under the class definition. Collection of art wherein the selective electrical control provides for checking the accuracy of the display device*.

DISPLAY DEVICE WITH HOUSING STRUCTURE:
This subclass is indented under the class definition. Collection of art wherein the periphery of the display elements* includes a significant casing.

FONT CHARACTER EDGE PROCESSING:
This subclass is indented under the class definition. Collection of art for generation of character data elements wherein the perimeters of textual characters are formed.

SEE OR SEARCH THIS CLASS, SUBCLASS:
468 for character font data processing.

ALTERATION OF STORED FONTS TO MAINTAIN FEATURE CONSISTENCY THROUGHOUT SCALED FONT:
This subclass is indented under the class definition. Collection of art for modification of existing font parameters to create a different appearance wherein specific visual or measurable attributes are retained while modifying the font data.

ANIMATION PROCESSING METHOD:
This subclass is indented under the class definition. Collection of art wherein a sequence of individual display images are generated for presentation as a sequence to simulate motion with special processing steps that are not provided for elsewhere.

SEE OR SEARCH THIS CLASS, SUBCLASS:
473 for animation data processing in general.

Sprite processing:
This subclass is indented under subclass 949. Collection of art wherein discrete geometric s:graphic elements are manipulated.
(1) Note. The processing of s:graphic elements prior to frame buffer is classified herein.

SEE OR SEARCH THIS CLASS, SUBCLASS:
121 for image movement and position control.

Key frame processing:
This subclass is indented under subclass 950. Collection of art wherein key frames portraying extreme or standard positions from which intermediate positions may be inferred are presented in animated sequence with appropriate interpolation.

Simulation:
This subclass is indented under subclass 949. Collection of art wherein animated display is created in response to a process modelling another process.

Geometric processing:
This subclass is indented under subclass 949. Collection of art wherein animated display is created by iterative displays
of mathematically derived images.

Quaternions:
This subclass is indented under subclass 953. Collection of art wherein animated display is created using a set of all possible rotations.

Morphing:
This subclass is indented under subclass 949. Collection of art wherein animated display modifies an image into a different image by a succession of interpolated transformations blended to appear as a continuous metamorphosis.

Language driven animation:
This subclass is indented under subclass 949. Collection of art wherein animated display is created in response to a set of commands provided by an operator.

Actor:
This subclass is indented under subclass 956. Collection of art wherein animated display is created in response to a defined motion process explicitly placed in the motion sequence.

Collision avoidance:
This subclass is indented under subclass 949. Collection of art wherein animated display recognize and reacts to a foreseeable intersection of motion paths among multiple images.

Object path adherence:
This subclass is indented under subclass 949. Collection of art wherein animated display controls movement to constrain path traversal within predefined criteria.

Iterative display of preconfigured images:
This subclass is indented under subclass 949. Collection of art wherein animation is created by simulating movement by interactive display of a succesion of images each presenting and advance in movement from the prior image.
(1) Note. The creation of images for subsequent iterative display is classified herein.

SEE OR SEARCH THIS CLASS, SUBCLASS:
473 for paging schemes of iterative display of images.

OPERATOR INTERFACE WITH VISUAL STRUCTURE OR FUNCTION DICTATED BY INTENDED USE:
This subclass is indented under the class definition. Collection of art wherein a user interactive arrangement is designed around and specific to a given task.
(1) Note. This cross-reference art collection is intended to include subject matter relating to more than nominal details of operator interfaces which are characteristic of the given task. It is not intended to include subject matter directed to details of the task itself.

SEE OR SEARCH THIS CLASS, SUBCLASS:
326 for specific details of the visual structure of an operator interface.

Operator interface for marketing or sales:
This subclass is indented under subclass 961. Collection of art wherein the given task is a commercial function involving
user response.

SEE OR SEARCH CLASS:
705, Data Processing: Financial, Business Practice, Management, or Cost/Price Determination, appropriate subclasses when the recitation of user interface is nominal and secondary to the commercial function itself, as may appear in an automated financial, business practice, or management system.

Calendar or scheduling:
This subclass is indented under subclass 961. Collection of art wherein the given task is designating the time or date of one or more events.

SEE OR SEARCH CLASS:
705, Data Processing: Financial, Business Practice, Management, or Cost/Price Determination, 8 for automated scheduling related to operations research in a business environment.

CAD or CAM (e.g., interactive design tools):
This subclass is indented under subclass 961. Collection of art wherein the given task is a part of computer aided design or computer aided manufacturing.

SEE OR SEARCH THIS CLASS, SUBCLASS:
419 for specific three-dimensional object processing used with such an interface.
433 for specific object manipulation techniques related to presentation of the graphics display with which a user interacts.

SEE OR SEARCH CLASS:
364, Electrical Computers and Data Processing Systems, 468.01 for use of operator interface in CAD or CAM product manufacturing.

For process control and configuration:
This subclass is indented under subclass 961. Collection of art wherein the given task is specifying or modeling system functions or connections.
(1) Note. This cross-reference art collection is intended to include operator interface having only nominal details of the structure of associated system components.

SEE OR SEARCH CLASS:
364, Electrical Computers and Data Processing Systems, 188 for the particular details of control systems including a device or apparatus controlled thereby in which an operator control interface is used to communicate with the control system.

Computer process (e.g., operation of computer):
This subclass is indented under subclass 965. Collection of art wherein the system is a data processing system.
(1) Note. Examples of such an operator interface are those in which a data processing system is controlled or configured in a supervisory manner. This cross-reference art collection is not intended to include operator interfaces whose display content is determined by an arbitrary function of the data processing system.

SEE OR SEARCH THIS CLASS, SUBCLASS:
326 for general use of operator interfaces for display.

Visual or iconic programming:
This subclass is indented under subclass 966. Collection of art wherein the functions or connections are graphically and symbolically designated, represented, and edited.
(1) Note. This cross-reference art collection is intended to include subject matter directly relating to operator interface details involved in the manipulation of computer system functions or connections.

SEE OR SEARCH CLASS:
395, Information Processing System Organization, 701 for details of software program development.

Interface for database querying and retrieval:
This subclass is indented under subclass 966. Collection of art wherein the function of the data processing system is accessing stored information on the basis of user specification.

SEE OR SEARCH CLASS:
707, Data Processing: Database and File Management, Data Structure Or Document Processing, appropriate subclasses for details of database accessing methods.

Network layout and operation interface:
This subclass is indented under subclass 965. Collection of art wherein connections are designated which establish associative links between a plurality of system components or nodes.

SEE OR SEARCH CLASS:
714, Electrical Computers and Digital Processing Systems: Error Detection/Correction and Fault Detection/Recovery, subclass 4 and 43 for means or steps for detecting or observing characteristics or conditions of the network respective program interfaces.

Instrumentation and component modelling (e.g., interactive control panel):
This subclass is indented under subclass 965. Collection of art wherein graphical representations of system elements are used to display variable information relating to operating state and/or acquired parameter values.

COOPERATIVE DECISION SUPPORT SYSTEMS FOR GROUPS OF USERS:
This subclass is indented under the class definition. Collection of art wherein a group of users at plural display
interface sites join in the collaborative effort required to effect a single desired choice related to a common task.

INSERTED REAL -TIME VIDEO IN OPERATOR INTERFACE:
This subclass is indented under the class definition. Collection of art wherein a computer graphics display is capable of supporting, within its interactive screen region, the depiction of a live-action sequence or a captured still image from such a sequence.

SEE OR SEARCH CLASS:
348, Television, appropriate subclasses for details of video signal processing external to the interactive display.

SCROLL TOOL (E.G, WINDOW SCROLL BARS):
This subclass is indented under the class definition. Collection of art wherein operator interface display elements may be used to select a portion to be displayed in a constrained region by interaction with on-screen tools which graphically represent the location of the selected portion.

SEE OR SEARCH THIS CLASS, SUBCLASS:
123 display control scrolling in general.

The definitions below correspond to abolished subclasses from which these collections were formed. See the Foreign Art Collection schedule of this Class for specific correspondences. {Note: the titles and definitions for indented art collections include all the details of the one(s) that are hierarchically superior.}

Cathodoluminescent type: Foreign art collection wherein the display elements generate light due to the application of electrical control through an anode or cathode to emit an electron beam at each display element to strike a phosphor
layer.

Vacuum fluorescent: Foreign art collection wherein the cathodoluminescent display elements include a vacuum for elec to travel through so as to excite a phos material to emit light.