Manual of U.S. Patent Classification
as of June 30, 2000

Class
345
COMPUTER GRAPHICS PROCESSING, OPERATOR INTERFACE PROCESSING, AND SELECTIVE VISUAL DISPLAY SYSTEMS

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Subclass definitions may be accessed by clicking on the subclass number, below.

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For search strategies, please refer to the Classification Index Explanation of Data web page.

Subclass		Title
ClassTitle		===> COMPUTER GRAPHICS PROCESSING, OPERATOR INTERFACE PROCESSING, AND SELECTIVE VISUAL DISPLAY SYSTEMS
418		COMPUTER GRAPHICS PROCESSING
302		. Synchronization of diverse media
419		. Three-dimension
420		. . Solid modelling
421		. . Hidden line/surface determining
422		. . . Z buffer (depth buffer)
423		. . Tessellation
424		. . Voxel
425		. . Mapping image onto surface of 3D object
426		. . Lighting/shading
427		. . Space transformation
428		. Adjusting level of detail
429		. Surface detail/characteristic
430		. . Texture
431		. . Color
432		. . Intensity
433		. Object processing
434		. . Clipping
435		. . Merge/overlay
436		. . Affine
437		. . Rotation
438		. . Translation
439		. . Scaling
440		. Graph generating
441		. Shape generating
442		. . Curve
443		. . Straight line
467		. Font generating
468		. . Character geometry processing
469		. . . Character generation using control points or hints
144		. . Character border
470		. . Generating character fill data from outline data
471		. . Alteration of stored font
472		. . . Scaling
473		. Animation
474		. . Motion planning or control
475		. . Temporal interpolation or processing
112		DISPLAY ATTRIBUTE CONTROLLER
113		. Particular overlay (e.g., superimposing feature)
114		. . Foreground and background
115		. Simultaneous diverse images
116		. . Character and graphical display
117		. Specified image of abnormal condition
118		. Having image confined to designated region (e.g., image clipping)
121		. Image movement or position control (e.g., panning)
123		. . Scrolling
124		. . . Alphanumeric
125		. . . Graphical
126		. . Rotation
127		. Image size control
128		. . Alphanumeric
129		. . . Reduction
130		. . . Enlargement
131		. . Graphical
132		. Defined resolution (e.g., EGA, VGA)
133		. Graphic display
134		. . Waveform display (e.g., oscilloscope type)
135		. . Vector display
136		. . With image smoothing control (e.g., anti-aliasing)
137		. . . Convolving technique
138		. . Averaging technique
139		. . Perspective
140		. . Bar graph
141		. Character display
142		. . Calligraphic
147		. Intensity control (e.g., gray scale)
148		. . Temporal processing (e.g., pulse width variation over time)
149		. . Spatial processing (e.g., patterns or subpixel configurations)
150		. Selectable color attributes
151		. . Including optical means
152		. . Designated subpixel arrangement
153		. . Color bit data modification or conversion
154		. . . Format change (e.g., NTSC to RGB, RGB to composite, or XYZ to RGB)
155		. . . Change in number of bits for a designated color (e.g., 4 bits to 8 bits, 8 bits to 4 bits)
326		OPERATOR INTERFACE
327		. Interaction in a television environment
328		. . For video segment editing or sequencing
329		. For plural users or sites
330		. . Computer conferencing
331		. . Computer supported cooperative work
332		. . . Group window
333		. Interface customization or edition
334		. . Graphical appearance
335		. . Link between object and task or function (e.g., client/server)
336		. Having on-line help
337		. . Adaptive to user skill level
338		. . Context sensitive
339		. On-screen workspace or object
340		. . Window
341		. . . Window scrolled to needed portion
342		. . . Layout modification (e.g., move or resize)
343		. . . Window differentiation
344		. . . . Priority
345		. . . . . Viewing lower priority window
346		. . . Interwindow link or communication
347		. . Pop-up control (e.g., message or dialog box)
348		. . Icon
349		. . . Metaphoric icon object
350		. . . . Indexed book or notebook
351		. . . . Office layout (e.g., filing cabinet, desk)
352		. . Menu
353		. . . Sub-menu structure
354		. . . Using button array
355		. . Interface represented by 3D space
356		. . Hierarchy or network structure
357		. . . Navigation within structure
358		. Gesture-based
145		CURSOR MANIPULATION
146		. Menu selection
156		DISPLAY PERIPHERAL INTERFACE INPUT DEVICE
157		. Cursor mark position control device
158		. . Including orientation sensors (e.g., infrared, ultrasonic, remotely controlled)
159		. . Having variable cursor speed
160		. . Cursor key
161		. . Joystick
162		. . Positional storage means
163		. . Mouse
164		. . . Rotatable ball detector
165		. . . . Photosensor encoder
166		. . . Optical detector
167		. . Trackball
168		. Including keyboard
169		. . Portable (i.e., handheld, calculator, remote controller)
170		. . Light source associated with each key
171		. . Having foreign language capability (e.g., Japanese, Chinese)
172		. . Having programmable function key
173		. Touch panel
174		. . Including impedance detection
175		. . Including optical detection
176		. . Transparent substrate having light entrapment capability (i.e., waveguides)
177		. . Including surface acoustic detection
178		. . With alignment or calibration capability (i.e., parallax problem)
179		. Stylus
180		. Light pen for CRT display
181		. . CRT having tracking capability
182		. Light pen for fluid matrix display panel
183		. Light pen for controlling plural light-emitting display elements (e.g., LED, lamps)
184		. Mechanical control (e.g., rotatable knob, slider)
501		COMPUTER GRAPHIC PROCESSING SYSTEM
502		. Plural graphics processors
503		. . Coprocessor (e.g., graphic accelerator)
504		. . Master-slave processors
505		. . Parallel processors (e.g., identical processors)
506		. . Pipeline processors
519		. Integrated circuit (e.g., single chip semiconductor device)
520		. Interface (e.g., controller)
521		. . Memory
522		. Graphic command processing
523		. Data manipulation (e.g., masking, interpolation)
524		. . Logical operation
525		. . Bit block transfer
526		. Data transfer between graphic system components
507		DISPLAY STORAGE DEVICE
186		. Color memory
510		. . Multiple planes
188		. . . Addressing with priority
509		. Bit map or graphic memory
515		. . Addressing
191		. . Mask data operation
192		. Character memory
193		. . Addressing
194		. . Character generator
195		. . . Multiple fonts
196		. Row buffer (e.g., line memory)
513		. Register
197		. . Shift register
198		. . . With routing logic
199		. Color look-up-table (e.g., palette)
516		. Addressing circuitry
517		. . Memory addresses arranged in matrix (e.g., row and column addresses)
508		. Plural storage devices
511		. . Data transfer between memories
512		. Shared memory
514		. Condition code, flag, or status
518		. Multiple port access
202		. Data compression or compaction
203		. Significant data assignment in storage device
204		DISPLAY DRIVING CONTROL CIRCUITRY
205		. Physically integral with display elements
206		. . Having common base or substrate
207		. Light detection means (e.g., with photodetector)
208		. Waveform generator coupled to display elements
209		. . Field period polarity reversal
210		. . Having three or more voltage levels
211		. Display power source
212		. . Regulating means
213		. . Synchronizing means
214		. Controlling the condition of display elements
215		. . Including priming means
1		PLURAL DISPLAY SYSTEMS
2		. Remotely located
3		. Diverse systems (e.g., CRT/LCD interface)
4		SINGLE DISPLAY SYSTEM HAVING STACKED SUPERIMPOSED DISPLAY DEVICES (E.G., TANDEM)
5		. Diverse display devices
6		. Three-dimensional arrays
7		IMAGE SUPERPOSITION BY OPTICAL MEANS (E.G., HEADS-UP DISPLAY)
8		. Operator body-mounted heads-up display (e.g., helmet mounted display)
9		. Plural image superposition
10		DATA RESPONSIVE CRT DISPLAY CONTROL
11		. CRT provides display control
12		. Data responsive deflection and intensity control
13		. Data responsive deflection control
14		. . X and Y axis deflection control
15		. . Curvilinear deflection control (e.g., lissajous)
16		. . Stroke or vector
17		. . . Strokes for forming characters
18		. . . Up/down counter
19		. . Impedance Array
20		. Data responsive intensity control
21		. . Magnetic element array
22		. Color display
23		. Graphic and alphanumeric display
24		. Graphic display
25		. Alphanumeric display
26		. . Character generator
27		. Combined with storage means
28		. . Addressing
29		. Delay line
30		PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT)
31		. Physically movable array
32		. Optical means interposed in viewing path (e.g., filters, lens, etc.)
33		. Segmented display elements
34		. . Seven segment display
35		. . Bar graph
36		. . . Electroluminescent display elements
37		. . . Gas discharge display segments (e.g., plasma)
38		. . . Liquid crystal display segments
39		. . . Light-emitting diode segments (LEDS)
40		. . . Plural (e.g., stacked, adjacent)
41		. . Fluid light-emitting display elements (e.g., gas, plasma)
42		. . . Controlling circuitry
43		. . Mask or electrode shape
44		. . Solid light-emitting display elements
45		. . . Electroluminescent
46		. . . Light-emitting diodes
47		. . Fluorescent elements
48		. . Light-controlling display elements
49		. . . Electrochromic elements
50		. . . Liquid crystal elements
51		. . . . Display element selection circuitry
52		. . . . Power supply generating circuitry
53		. . . . Specific waveform (e.g., square waveforms, sinusoidal)
54		. . . . . Field period polarity reversal
55		. Display elements arranged in matrix (e.g., rows and columns)
56		. . Image shifting means (i.e., traveling message)
57		. . . Having endless belt or tape reader
58		. . Crosstalk elimination
59		. . Matrix for conveying alphanumeric data
60		. . Fluid light emitter (e.g., gas, liquid, or plasma)
61		. . . Shifting means
62		. . . . Specified plasma coupling path
63		. . . Intensity control
64		. . . Liquid light emitter
65		. . . Phosphor excited by fluid response
66		. . . Particular discharge path
67		. . . More than two electrodes per element
68		. . . Means for combining selective and sustain signals
69		. . . . Resistor-diode arrangement
70		. . . . . Including transformer
71		. . . Electrode insulated from fluid medium
72		. . . Color
73		. . Incandescent
74.1		. . Cathodolulminescent type
75.1		. . . Vacuum fluorescent
75.2		. . . Field emissive (e.g., FED, Spindt, microtip, etc.)
76		. . Electroluminescent
77		. . . Brightness or intensity control
78		. . . Having compensating pulse
79		. . . Field period polarity reversal
80		. . . Driving means integral to substrate
81		. . . Optical addressing (e.g., photodetection)
82		. . Solid body light emitter (e.g., LED)
83		. . . Color
84		. . Light-controlling display elements
85		. . . Electroscopic (e.g., movable electrodes or electrostatic elements)
86		. . . Magneto-optic
87		. . . Liquid crystal display elements (LCD)
88		. . . . Color
89		. . . . Gray scale capability (e.g., halftone)
90		. . . . Control means at each display element
91		. . . . . Diode or varistor
92		. . . . . Thin film tansistor (TFT)
93		. . . . . Redundancy (e.g., plural control elements or electrodes)
94		. . . . Waveform generation
95		. . . . . Three or more voltages
96		. . . . . Field period polarity reversal
97		. . . . . Ferroelectric liquid crystal elements
98		. . . . Specific display element control means (e.g., latches, memories, logic)
99		. . . . . Particular timing circuit
100		. . . . . Particular row or column control (e.g., shift register)
101		. . . . Data signal compensation in response to temperature
102		. . . . Backlight control
103		. . . . Grouped electrodes (e.g., matrix partitioned into sections)
104		. . . . Input/output liquid crystal display panel
105		. . . Electrochromic elements
106		. . . Thermochromic elements
107		. . . Particle suspensions (e.g., electrophoretic)
108		. . Plural mechanically movable display elements
109		. . . Having shutters
110		. . . With motor or rotor driver means
111		. . . With a permanent magnet placed on movable display elements
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		CROSS-REFERENCE ART COLLECTIONS
		******************************
901		ELECTRONIC BOOK WITH DISPLAY
902		MENU DISPLAY
903		MODULAR DISPLAY
904		DISPLAY WITH FAIL/SAFE TESTING FEATURE
905		DISPLAY DEVICE WITH HOUSING STRUCTURE
947		FONT CHARACTER EDGE PROCESSING
948		ALTERATION OF STORED FONTS TO MAINTAIN FEATURE CONSISTENCY THROUGHOUT SCALED FONT
949		ANIMATION PROCESSING METHOD
950		. Sprite processing
951		. . Key frame processing
952		. Simulation
953		. Geometric processing
954		. . Quaternions
955		. Morphing
956		. Language driven animation
957		. . Actor
958		. Collision avoidance
959		. Object path adherence
960		. Iterative display of preconfigured images
961		OPERATOR INTERFACE WITH VISUAL STRUCTURE OR FUNCTION DICTATED BY INTENDED USE
962		. Operator interface for marketing or sales
963		. Calendar or scheduling
964		. CAD or CAM (e.g., interactive design tools)
965		. For process control and configuration
966		. . Computer process (e.g., operation of computer)
967		. . . Visual or iconic programming
968		. . . Interface for database querying and retrieval
969		. . Network layout and operation interface
970		. . Instrumentation and component modelling (e.g., interactive control panel)
971		COOPERATIVE DECISION SUPPORT SYSTEMS FOR GROUPS OF USERS
972		INSERTED REAL-TIME VIDEO IN OPERATOR INTERFACE
973		SCROLL TOOL (E.G., WINDOW SCROLL BARS)
974		SLIDER CONTROLS AS ON-SCREEN OBJECTS IN OPERATOR INTERFACE
975		POP-UP DIALOG BOX FOR ENTRY
976		3-D ICONS
977		DYNAMIC ICON (E.G., ANIMATED OR LIVE ACTION)
978		AUDIO INTERACTION AS PART OF AN OPERATOR INTERFACE
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		FOREIGN ART COLLECTIONS
		*********************************
		Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collection listed below. These collections contain ONLY foreign patents or nonpatent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived.
		PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) (345/30)
		. Display elements arranged in matrix (e.g., rows and columns) (345/55)
FOR 100		. . Cathodolulminescent type (345/74)
FOR 101		. . . Vacuum fluorescent (345/75)

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Last Modified: 6 October 2000