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CLASS 701,	DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION
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SECTION I - CLASS DEFINITION

This class provides for electrical computers, digital data processing systems, and data processing processes for transferring data between a plurality of computers or processes wherein the computers or processes employ the data before or after transferring and the employing affects the transfer of data therebetween. More specifically, this class provides for the following subject matter:

A. This class is for electricalapparatus and corresponding methods for performing data processing operations in which there is a significant change in the data or for performing calculation operations wherein the electrical data processing system or calculating computer functions to indicate a condition of a vehicle, to regulate the movement of a vehicle, to monitor the operation of a vehicle, or to solve a diagnostic problem with the vehicle.

B. This class also provides electrical apparatus and corresponding methods wherein the electrical data processing system or calculating computer function to determine the course, position, or distance traveled.

C. This class further provides electrical apparatus and corresponding methods wherein the electrical data processing system or calculating computer functions to determine the relative location of an object (e.g., person or vehicle) and may include communication of the determined relative location to a remote location.

Class 701 is structured into three main divisions:

A. Vehicle control, guidance, operation or indication.

B. Navigation.

C. Relative location.

See Subclass References to the Current Class, below, for the location of subclasses for each of the main divisions.

SECTION II - LINES WITH OTHER CLASSES AND WITHIN THIS CLASS

A. VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION

1. This class includes subject matter directed to significant data processing or calculation in determining the control, monitoring, guidance, and condition for one or more of the components or subsystems associated with a vehicle.

2. This class does not include subject matter wherein significant details of the mechanical construction of the component or subsystem within a vehicle are disclosed and claimed. Examples of subject matter not included are detailed mechanical structure of a transmission, internal combustion engine, power steering, suspension, and braking systems, each in conjunction with a nominally recited computer implemented function. See Search Class notes below for appropriate class.

3. This class also does not include subject matter wherein the data processing or calculation is employed solely for the purpose of manipulating or controlling robotic arm movement. See Search Class notes below for Class 700.

B. NAVIGATION

1. This class is limited to significant data processing or calculating operation to provide navigation information to either a vehicle or an operator.

2. This class does not include subject matter wherein significant details of the display device and/or technique in displaying the determined navigation information are disclosed and claimed. See the Search Class notes below in References to Other Classes for Class 340.

C. RELATIVE LOCATION

1. This class includes subject matter directed to significant data processing or calculation for determining the relative location of an object and may include communicating the determined relative location to a remote location for further processing and/or use.

2. This class does not include subject matter wherein significant details of the communication device and/or the technique of communicating are disclosed and claimed. See the Search Class notes below in References to Other Classes for Classes 340 and 375.

SECTION III - SUBCLASS REFERENCES TO THE CURRENT CLASS

SEE OR SEARCH THIS CLASS, SUBCLASS:

SECTION IV - REFERENCES TO OTHER CLASSES

SEE OR SEARCH CLASS:

SECTION V - GLOSSARY

The terms below have been defined for purposes of classification in this class and are shown in underlined type when used in the class and subclass definitions. When these terms are not underlined in the definitions, the meaning is not restricted to the glossary definitions below.

ANTILOCK OR ANTISKID

A process of controlling a vehicle to enhance the braking performance during deceleration of the vehicle by manipulating the brake pressure.

ANTISPIN

A process of controlling a vehicle to enhance the driveability of the vehicle during starting or acceleration of the vehicle by manipulating at least one of (1) brake pressure, (2) engine torque, and (3) transmission torque.

ARTIFICIAL INTELLIGENCE (AI)

Computer emulation of aspects of human intelligence such as speech recognition, deduction, inference, creative response, the ability to learn from past experience, and the ability to make reasonable inferences from incomplete information. Examples of AI include expert systems, neural networks, and fuzzy logic.

ATTITUDE

Orientation of a vehicle with respect to a reference plane. An example in an automobile would be orientation of the vehicle body relative to the road surface whereas in aeronautics it may define the orientation of the aircraft relative to the earth.

BRAKE-SLIP

The slippage of a wheel caused by the braking operation during deceleration of the vehicle.

CALCULATING OPERATIONS

Arithmetic and/or some limited logic operations performed upon or with signals representing numbers or values.

DATA PROCESSING

For the purpose of this class, data processing is defined as a systematic operation on data in accordance with a set of rules which results in a significant change in the data.

DRIVE SLIP

The slippage of a wheel caused by the driving condition during acceleration of the vehicle.

FUZZY LOGIC

A form of AI in which variables can have degrees of truthfulness or falsehood represented by a range of values between 1 (true) and 0 (false). The outcome of an operation using fuzzy logic can be expressed as a probability rather than as a certainty (e.g., inexact reasoning).

NAVIGATION

The determination of a course, position, or distance traveled.

SLIP

Loss of adhesion or friction between an object and a surface. An example in a vehicle would be the reduction of friction between a wheel and a road surface (e.g., wheel slippage).

VEHICLE

Any means in or by which someone or something is carried or conveyed. This term includes, but is not limited to, automobiles, aircraft, spacecraft, blimps, trains, motorcycles, bicycles, watercraft, and submarines.

SUBCLASSES

1	VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION:
	This subclass is indented under the class definition.  Subject matter wherein the electrical data processing system or calculating computer functions to indicate a condition or position of a vehicle, to regulate the movement of a vehicle, to monitor the operation of a vehicle, or to solve a diagnostic problem with the vehicle. SEE OR SEARCH THIS CLASS, SUBCLASS: 200+, for navigational systems, per se. SEE OR SEARCH CLASS: 180,  Motor Vehicles,   for control devices in combination with vehicle structure. 318,  Electricity: Motive Power Systems,   subclasses 580+ , for vehicular guidance systems with single axis control. 340,  Communications: Electrical,   subclasses 22+ for electrical signaling in a vehicle or traffic environment, 438+ for monitoring or solving diagnostic problems associated with vehicle operation. 703,  Data Processing: Structural Design, Modeling, Simulation, and Emulation,   subclass 8 for computer to simulate a vehicle.

2	Remote control system:
	This subclass is indented under subclass 1.  Vehicle control, guidance, operation, or indication wherein regulation of the vehicle is based on a signal transmitted from a location not physically connected to, but received by, the system or computer.

3	Aeronautical vehicle:
	This subclass is indented under subclass 1.  Vehicle control, guidance, operation, or indication wherein the electrical data processing system or calculating computer is designed to control, guide, or operate an airborne or space vehicle (e.g., helicopter, airplane, spacecraft, blimp, etc.). SEE OR SEARCH CLASS: 244,  Aeronautics and Astronautics,   subclasses 3.1 through 3.3for missile control, subclasses 158-173.3 for spacecraft control, and subclasses 75-99.9 for aircraft control.

4	Altitude or attitude control or indication:
	This subclass is indented under subclass 3.  Aeronautical vehicle control or indication wherein the data processing system or calculating computer functions to control or maintain the orientation of an airborne or space vehicle with respect to a reference plane.

5	Rate of change (e.g., ascent, descent):
	This subclass is indented under subclass 4.  Altitude or attitude control or indication wherein the data processing system or calculating computer is designed to control or indicate change in the orientation of an aeronautical vehicle as a function of time. SEE OR SEARCH THIS CLASS, SUBCLASS: 16+, for the control or indication of a vehicle or its function as it performs the act of landing (e.g., engaging the ground).

6	Angle of attack:
	This subclass is indented under subclass 5.  Rate of change control or indication wherein the data processing system or calculating computer isdesigned to control or indicate a specified angular relationship defined as the acute angle between the chord of an airfoil and the line of relative air flow or horizontal.

7	Air speed or velocity measurement:
	This subclass is indented under subclass 4.  Altitude or attitude control or indication further comprising ameans to determine vehicle airspeed. SEE OR SEARCH CLASS: 73,  Measuring and Testing,   appropriate subclass for a process or apparatus for making a measurement of any kind or for making a test of any kind.

8	Threshold or reference value:
	This subclass is indented under subclass 4.  Altitude or attitude control or indication further comprising a predetermined or operator determined altitude or attitude setting.

9	Warning signal or alarm:
	This subclass is indented under subclass 8.  Altitude or attitude control or indication further comprising a means to alert the aeronautical vehicle operator of a condition relative to the predetermined or operator determined altitude or attitude setting.

10	Compensation for environmental conditions:
	This subclass is indented under subclass 4.  Altitude or attitude control or indication further comprising meteorological correction means.

11	Auto pilot:
	This subclass is indented under subclass 4.  Altitude or attitude control or indication further comprising an automatic flight control system.

12	Inner/outer loop:
	This subclass is indented under subclass 11.  Automatic flight control system further comprising a stability control loop (i.e., inner loop) which controls the attitude, or altitude of the aeronautical vehicle, with respect to attitude or altitude reference signals provided by a full pilot authority control loop (i.e., outer loop).

13	Spacecraft or satellite:
	This subclass is indented under subclass 4.  Altitude or attitude control or indication specific to an aeronautical vehicle adapted to be placed in an orbit or which substantially operates outside the earth"s atmosphere. SEE OR SEARCH THIS CLASS, SUBCLASS: 226, for the navigation of a vehicle within a space orbit or path,

14	Flight condition indicating system:
	This subclass is indented under subclass 3.  Aeronautical vehicle wherein a condition significantly affecting aircraft flight is indicated. (1) Note. Included here are such conditions as wind shear, air speed, etc. (2) Note. Excluded here is altitude indication. SEE OR SEARCH THIS CLASS, SUBCLASS: 4+, for altitude indication of an aircraft. SEE OR SEARCH CLASS: 340,  Communication: Electrical,   subclasses 945+ for a flight condition indicating system excluding data processing technique.

15	With indication or control of take-off:
	This subclass is indented under subclass 3.  Vehicle control, guidance, operation, or indication wherein the data processing system or calculating computer controls, indicates, or monitors the vehicle or its functions as it performs the intended act of disengaging from the ground. SEE OR SEARCH CLASS: 73,  Measuring and Testing,   subclass 178 for takeoff and landing monitors.

16	With indication or control of landing:
	This subclass is indented under subclass 3.  Vehicle control, guidance, operation, or indication wherein the data processing system or calculating computer controls, indicates, or monitors the vehicle or its functions as it performs the intended act of engaging the ground. SEE OR SEARCH THIS CLASS, SUBCLASS: 5, for the indication or control of the altitude or attitude rate of change for an aeronautical vehicle. SEE OR SEARCH CLASS: 73,  Measuring and Testing,   subclass 178 for takeoff and landing monitors 340,  Communications: Electrical,   subclasses 933+ for vehicles which are controlled by traffic conditions.

17	I.L.S. or radar guidance:
	This subclass is indented under subclass 16.  Indication or control of landing wherein an instrument landing system or radio detecting and ranging equipment are employed. SEE OR SEARCH CLASS: 343,  Communications: Radio Wave Antennas,   subclasses 5+ for radar transmitter and receiver.

18	Profile of descent:
	This subclass is indented under subclass 16.  Indication or control of landing wherein the characteristic of the vehicle"s ground approach, such as a glide slope, is employed.

19	Railway vehicle:
	This subclass is indented under subclass 1.  Vehicle control, guidance, operation, or indication wherein the electrical data processing system or calculating computer is designed to control, guide, or operate a vehicle, or its components, confined to a predetermined path defined by a track or rail. (1) Note. This subclass does not include art wherein the railway speed or velocity is controlled. See search note below. SEE OR SEARCH CLASS: 33,  Geometrical Instruments,   subclasses 287 , 338, 532.1, and 651 for indication means. 104,  Railways,   appropriate subclass for railway rolling stock and track. 105,  Railway Rolling Stock,   appropriate subclass for wheeled transportation equipment for a railway. 246,  Railway Switches and Signals,   subclasses 182+ for railway vehicle speed control systems. 295,  Fluid-pressure Brake and Analogous Systems,   subclasses 22.6+ for railway vehicle load control.

20	Railway vehicle speed control:
	This subclass is indented under subclass 19.  Railway vehicle wherein the electrical data processing system or calculating computer functions to regulate the velocity of a vehicle confined to a track or rail. SEE OR SEARCH CLASS: 246,  Railway Switches and Signals,   especially subclass 182 for train speed control means which are actuated by agencies not on the train or by wheel derailment or defects in train structure and mechanism.

21	Marine vehicle:
	This subclass is indented under subclass 1.  Vehicle control, guidance, operation, or indication wherein the electrical data processing system or calculating computer is designed to control, guide, or operate a vehicle designed for water traffic. SEE OR SEARCH CLASS: 33,  Geometrical Instruments,   subclass 232 for a marine speed indicator. 318,  Electricity: Motive Power Systems,   subclass 588 , for marine vehicular guidance systems with single axis control. 440,  Marine Propulsion,   especially subclass 84 for engine, motor, or transmission control means. 441,  Buoys, Rafts, and Aquatic Devices,   appropriate subclass for structure or an attachment peculiar to a mooring buoy, marker buoy, container buoy, or other buoy; structure or an attachment peculiar to a raft, to rafting, and guiding of floating logs; water rescue apparatus or other aquatic devices.

22	Electric vehicle:
	This subclass is indented under subclass 1.  Vehicle control, guidance, operation, or indication wherein the electrical data processing system or calculating computer is designed to control, guide, or operate a vehicle wherein the prime mover is powered by an electrical current. SEE OR SEARCH CLASS: 180,  Motor Vehicles,   subclasses 65.1+ for electric vehicles, per se. 318,  Electricity: Motive Power Systems,   subclasses 139+ for a motor generator used in an electric vehicle.

23	Automatic route guidance vehicle:
	This subclass is indented under subclass 1.  Vehicle control, guidance, operation, or indication wherein the electrical data processing system or calculating computer is designed to control, guide, or operate an autonomous or unmanned vehicle (e.g., AGV). SEE OR SEARCH THIS CLASS, SUBCLASS: 200+, for a navigational system. SEE OR SEARCH CLASS: 180,  Motor Vehicles,   subclasses 167+ for a motor vehicle with a means for controlling an operation responsive to electromagnetic radiation, magnetic force, or sound waves received from a source, or reflected from an object or surface, located apart from vehicle. 318,  Electricity: Motive Power Systems,   subclasses 580+ for a vehicular guidance systems with single axis control using a positional servo system. 348,  Television,   subclasses 113+ for a picture signal generator or reproducer used with a steerable vehicle to permit control of the vehicle from a remote location or to provide an indication in the vehicle of its position as an aid in the guidance of the vehicle.

24	On-board computer interact with a host computer:
	This subclass is indented under subclass 23.  Automatic route guidance vehicle having two processing units, one of which is the primary controller communicating with a second controller physically mounted to the vehicle.

25	Storage or planning of route information:
	This subclass is indented under subclass 23.  Automatic route guidance vehicle wherein the electrical data processing system or calculating computer is also capable of retaining in a memory device a path of travel or developing a path of travel. SEE OR SEARCH THIS CLASS, SUBCLASS: 202, for a static means to determine a travel course prior to the departure of the vehicle.

26	Modification or correction of route information:
	This subclass is indented under subclass 25.  Planned or stored route information wherein the electrical data processing system or calculating computer is further capable of manipulating data associated with a traveled path to alter the vehicle"s route.

27	Artificial intelligence (e.g., fuzzy logic):
	This subclass is indented under subclass 23.  Automatic route guidance vehicle wherein the electrical data processing system or calculating computer is designed to control, guide, or operate the vehicle by the logical manipulation of a value of a predetermined function of antecedent and consequent operations corresponding to the coordinate location of the vehicle. SEE OR SEARCH CLASS: 706,  Data Processing: Artificial Intelligence,   appropriate subclasses for artificial intelligence, in general, including cross-reference art collections 905 and 913 for detailed artificial intelligence applied to vehicle control or diagnostics.

28	Having image processing:
	This subclass is indented under subclass 23.  Automatic route guidance vehicle wherein the electrical data processing system or calculating computer is designed to control, guide, or operate the vehicle by information received as an optical signal. SEE OR SEARCH CLASS: 348,  Television,   subclasses 113+ for a picture signal generator or reproducer used with a steerable vehicle to permit control of the vehicle from a remote location or to provide an indication in the vehicle of its position as an aid in the guidance of the vehicle. 382,  Image Analysis,   appropriate subclass for an apparatus or corresponding method for the automated analysis of an image or recognition of a pattern.

29	Vehicle diagnosis or maintenance indication:
	This subclass is indented under subclass 1.  Vehicle control, guidance, operation, or indication wherein the electrical data processing system or calculating computer is designed to evaluate, monitor, or indicate the performance, operating condition, or servicing need of a vehicle.

30	Indication of maintenance interval:
	This subclass is indented under subclass 29.  Vehicle diagnosis or maintenance indication wherein the electrical data processing system or calculating computer determines and communicates to an interested party, a need for vehicle servicing based on a constraint parameter (e.g., time, operating condition or vehicle millage).

31	Self-test:
	This subclass is indented under subclass 29.  Vehicle diagnosis or maintenance indication wherein the electrical data processing system or calculating computer functions to check the diagnostic equipment or elements within said system, absent any external device.

32	Vehicle or device ID:
	This subclass is indented under subclass 29.  Vehicle diagnosis or maintenance indication wherein the electrical data processing system or calculating computer generates a signal identifying the vehicle (i.e., ma