US Patent Class 701
DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION




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Current as of: June, 1999
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  DF  CLASS NOTES
1  DF  VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION
2  DF  .~ Remote control system
3  DF  .~ Aeronautical vehicle
4  DF  .~.~ Altitude or attitude control or indication
5  DF  .~.~.~ Rate of change (e.g., ascent, decent)
6  DF  .~.~.~.~ Angle of attack
7  DF  .~.~.~ Air speed or velocity measurement
8  DF  .~.~.~ Threshold or reference value
9  DF  .~.~.~.~ Warning signal or alarm
10  DF  .~.~.~ Compensation for environmental conditions
11  DF  .~.~.~ Auto pilot
12  DF  .~.~.~.~ Inner/outer loop
13  DF  .~.~.~ Spacecraft or satellite
14  DF  .~.~ Flight condition indicating system
15  DF  .~.~ With indication or control of take-off
16  DF  .~.~ With indication or control of landing
17  DF  .~.~.~ I.L.S. or radar guidance
18  DF  .~.~.~ Profile of descent
19  DF  .~ Railway vehicle
20  DF  .~.~ Railway vehicle speed control
21  DF  .~ Marine vehicle
22  DF  .~ Electric vehicle
23  DF  .~ Automatic route guidance vehicle
24  DF  .~.~ On-board computer interact with a host computer
25  DF  .~.~ Storage or planning of route information
26  DF  .~.~.~ Modification or correction of route information
27  DF  .~.~ Artificial intelligence (e.g., fuzzy logic)
28  DF  .~.~ Having image processing
29  DF  .~ Vehicle diagnosis or maintenance indication
30  DF  .~.~ Indication of maintenance interval
31  DF  .~.~ Self-test
32  DF  .~.~ Vehicle or device ID
33  DF  .~.~ Plural processors or external processor
34  DF  .~.~ Detection of faulty sensor
35  DF  .~.~ With data recording device
36  DF  .~ Vehicle subsystem or accessory control
37  DF  .~.~ Suspension control
38  DF  .~.~.~ Attitude change suppressive control (e.g., antiroll or antipitch)
39  DF  .~.~.~ Fail-safe system
40  DF  .~.~.~ Artificial intelligence (e.g., fuzzy logic)
41  DF  .~.~ Steering control
42  DF  .~.~.~ Feedback, transfer function or proportional and derivative (P&D) control
43  DF  .~.~.~ Fail-safe system
44  DF  .~.~.~ Artificial intelligence (e.g., fuzzy logic)
45  DF  .~.~ Control of vehicle safety devices (e.g., airbag, seat-belt, etc.)
46  DF  .~.~.~ By integrating the amplitude of the input signal
47  DF  .~.~.~ By frequency or waveform analysis
48  DF  .~.~ Cooperative or multiple control (e.g., suspension and braking)
49  DF  .~.~ Vehicle equipment position control (e.g., seat, mirror, door, window, headrest, or headlamp)
50  DF  .~ Construction or agricultural-type vehicle (e.g., crane, forklift)
51  DF  .~ Transmission control
52  DF  .~.~ Semiautomatic control (e.g., switchable between automatic and manual)
53  DF  .~.~ And other vehicle control
54  DF  .~.~.~ Engine output control
55  DF  .~.~ By changing shift map, schedule, or pattern
56  DF  .~.~.~ Having a plurality of preset maps, schedules, or patterns
57  DF  .~.~ Fuzzy logic
58  DF  .~.~ Adaptive control
59  DF  .~.~.~ Model or learning means (e.g., neural network)
60  DF  .~.~.~ Feedback control (e.g., closed loop)
61  DF  .~.~.~.~ Using a transmission ratio as feedback control
62  DF  .~.~ Fail-safe control (e.g., preventing a gear shift)
63  DF  .~.~.~ Responsive to faulty sensor
64  DF  .~.~ Indicating a completion of a shift or a shift to be completed
65  DF  .~.~ Responsive to road, external, or ambient condition
66  DF  .~.~ Time regulated operations
67  DF  .~ Clutch control
68  DF  .~.~ Adaptive control
69  DF  .~ Control of power distribution between vehicle axis or wheels (e.g., four wheel drive vehicle)
70  DF  .~ Indication or control of braking, acceleration, or deceleration
71  DF  .~.~ Antiskid, antilock, or brake slip control
72  DF  .~.~.~ During cornering or turning of vehicle
73  DF  .~.~.~ On split coefficient surface (u)
74  DF  .~.~.~ Having particular means to determine a reference value for wheel slippage or pseudo-vehicle speed
75  DF  .~.~.~.~ Correction or modification
76  DF  .~.~.~ Fail-safe system
77  DF  .~.~.~ Artificial intelligence (e.g., fuzzy logic)
78  DF  .~.~.~ Control of brake pressure
79  DF  .~.~.~.~ Having speed variation responsive means (e.g., acceleration, deceleration)
80  DF  .~.~.~.~ Having coefficient of friction or road condition determining means
81  DF  .~.~.~.~ Four wheel drive, electric, or heavy vehicles
82  DF  .~.~ Antispin, traction control, or drive slip control
83  DF  .~.~.~ Control of brake pressure
84  DF  .~.~.~ Control of engine torque
85  DF  .~.~.~.~ Having throttle valve positioning
86  DF  .~.~.~.~ Having fuel cutting or ignition timing retarding
87  DF  .~.~.~ Control of transmission torque
88  DF  .~.~.~ Restricting differential operation
89  DF  .~.~.~ Four wheel drive vehicle
90  DF  .~.~.~ Having particular slip threshold, target slip ratio, or target engine torque determining means
91  DF  .~.~.~ Integrated with antiskid or other vehicle control system (e.g., cruise control, suspension)
92  DF  .~.~.~ Fail-safe system
93  DF  .~.~ Vehicle speed control (e.g., cruise control)
94  DF  .~.~.~ Having gradient responsive control to suppress hunting, overshooting, or undershooting
95  DF  .~.~.~.~ By transmission shifting control
96  DF  .~.~.~ Having inter-vehicle distance or speed control
97  DF  .~.~.~ Fail-safe system
98  DF  .~.~.~ Artificial intelligence (e.g., fuzzy logic)
99  DF  .~ With indicator or control of power plant (e.g., performance)
100  DF  .~.~ Gas turbine, compressor
101  DF  .~.~ Internal-combustion engine
102  DF  .~.~.~ Digital or programmed data processor
103  DF  .~.~.~.~ Control of air/fuel ratio or fuel injection
104  DF  .~.~.~.~.~ Controlling fuel quantity
105  DF  .~.~.~.~.~ Controlling timing
106  DF  .~.~.~.~.~ Artificial intelligence (e.g., fuzzy logic)
107  DF  .~.~.~.~.~ Fail-safe system
108  DF  .~.~.~.~.~ Exhaust gas circulation (EGC)
109  DF  .~.~.~.~.~ Detection of O2 concentration
110  DF  .~.~.~.~ Speed, acceleration, deceleration
111  DF  .~.~.~.~ Vibration, roughness, knock
112  DF  .~.~.~.~ Engine stop, fuel shutoff
113  DF  .~.~.~.~ Starting, warmup
114  DF  .~.~.~.~ Backup, interrupt, reset, or test
115  DF  .~.~.~.~ Specific memory or interfacing device
116  DF  .~ With indication or control to maintain fixed position
117  DF  .~ Traffic analysis or control of surface vehicle
118  DF  .~.~ With determination of traffic density
119  DF  .~.~ With determination of traffic speed
120  DF  .~ Traffic analysis or control of aircraft
121  DF  .~.~ With speed control or order
122  DF  .~.~ With course diversion
123  DF  .~ With indication of fuel consumption rate or economy of usage
124  DF  .~ Determining balance or center of gravity (e.g., load distribution of vehicle)
200  DF  NAVIGATION
201  DF  .~ Determination of travel data based on the start point and destination point
202  DF  .~.~ Route pre-planning
203  DF  .~.~ Great circle route
204  DF  .~ Determination of E.T.A.
205  DF  .~ Determination of along-track or cross-track deviations
206  DF  .~ Employing way point navigation
207  DF  .~ Employing position determining equipment
208  DF  .~.~ For use in a map data base system
209  DF  .~.~.~ Including route searching or determining device
210  DF  .~.~.~.~ Route correction, modification, or verification
211  DF  .~.~.~ Having audio or visual route guidance
212  DF  .~.~.~ Having variable map scale
213  DF  .~.~ Using Global Positioning System (GPS)
214  DF  .~.~.~ Means to improve accuracy of position or location
215  DF  .~.~.~.~ Having multiple GPS antennas or receivers (e.g., differential GPS)
216  DF  .~.~.~.~ Having an self-contained position computing means (e.g., dead reckoning)
217  DF  .~.~ Using dead-reckoning apparatus
218  DF  .~.~ Using R-O (D.M.E. and path) or Tacan equipment
219  DF  .~.~ Using Loran or Shoran or Decca equipment
220  DF  .~.~ Using inertial sensor
221  DF  .~.~.~ With correction by noninertial sensor
222  DF  .~.~ Using star tracker
223  DF  .~.~ With radar or optical ground scanner
224  DF  .~ With indicated course correction (compass deviation)
225  DF  .~ Determining range without range measurement
226  DF  .~ Space orbits or paths
300  DF  RELATIVE LOCATION
301  DF  .~ Collision avoidance
302  DF  .~ Course to intercept