| Patents for G01C 21 - Navigation; Navigational instruments not provided for in groups (52,650) | 
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| 03/21/1995 | WO1995003215A1 Method of creation of a star database | 
| 03/21/1995 | US5400300 Providing advance warning of underwater navigation hazards | 
| 03/21/1995 | US5400254 Trace display apparatus for a navigation system | 
| 03/21/1995 | US5400025 Temperature corrected integrating analog-to-digital converter | 
| 03/16/1995 | WO1995007526A1 Electro-optic vision systems which exploit position and attitude | 
| 03/16/1995 | DE4432208A1 Navigation method employing a vectorised land map | 
| 03/16/1995 | DE4328998A1 Device for determining the geographical position of a desired destination | 
| 03/16/1995 | DE4312310A1 Object-recognition device | 
| 03/15/1995 | EP0640207A4 Calibration method for a relative heading sensor. | 
| 03/14/1995 | US5398189 Navigation system for motor vehicles | 
| 03/14/1995 | US5398188 Navigation apparatus and method for a vehicle for displaying positional information of the same | 
| 03/09/1995 | DE4328573A1 All-weather sight system for helicopters | 
| 03/09/1995 | DE4327890C1 Marine navigation device | 
| 03/08/1995 | EP0642108A2 Navigation system | 
| 03/08/1995 | EP0362389B1 Vehicle navigation system | 
| 03/07/1995 | US5396431 Navigation system with position measuring device and aerial photographic storage capability | 
| 03/07/1995 | US5396430 On-board navigation apparatus | 
| 03/07/1995 | US5396326 Two gimbal error averaging astro-inertial navigator | 
| 03/07/1995 | US5396254 Position recognition system and position-coordinate converting device | 
| 03/02/1995 | DE4344239A1 Remote data terminal | 
| 03/01/1995 | EP0640207A1 Calibration method for a relative heading sensor | 
| 03/01/1995 | CA2131207A1 Remote data terminal | 
| 02/28/1995 | US5394333 Correcting GPS position in a hybrid naviation system | 
| 02/28/1995 | US5394332 On-board navigation system having audible tone indicating remaining distance or time in a trip | 
| 02/23/1995 | WO1995005576A1 Isolation of environmental accelerations and tilts on moving platform | 
| 02/23/1995 | DE4428009A1 Position-determination systems | 
| 02/23/1995 | DE4422391A1 Geographical information display device | 
| 02/17/1995 | CA2104179A1 Isolation of environmental accelerations and tilts on moving platform | 
| 02/15/1995 | EP0638887A2 Navigation system to be mounted on vehicles | 
| 02/14/1995 | US5390125 Vehicle position determination system and method | 
| 02/14/1995 | US5390124 Method and apparatus for improving the accuracy of position estimates in a satellite based navigation system | 
| 02/14/1995 | US5390123 Navigation system with accurate determination of angular velocity | 
| 02/09/1995 | WO1995004340A1 Method and apparatus for selecting a destination in a vehicle navigation system | 
| 02/09/1995 | WO1995004325A1 Map-matching with competing sensory positions | 
| 02/07/1995 | US5386738 Direct torque control moment gyroscope | 
| 02/02/1995 | WO1995003214A1 Star acquisition and identification method | 
| 02/02/1995 | EP0646264A4 Route guidance on/off-route state filter. | 
| 02/01/1995 | EP0636863A1 Navigation system | 
| 02/01/1995 | EP0636862A1 Inertial measurement unit and method for improving its measurement accuracy | 
| 01/31/1995 | US5385371 Map in which information which can be coded is arranged in invisible state and a method for coding the content of the map | 
| 01/24/1995 | US5384448 Thermally stable solenoid utilizing wound electric heating wire | 
| 01/18/1995 | EP0634630A1 Gyroscope interface conversion circuit | 
| 01/17/1995 | US5383128 Navigation device | 
| 01/17/1995 | US5383127 On-vehicle position computing apparatus | 
| 01/12/1995 | WO1995001551A1 Navigation aid | 
| 01/12/1995 | DE4322288A1 Method for evaluating traffic messages | 
| 01/11/1995 | EP0633452A1 Navigation system | 
| 01/10/1995 | US5381095 Method of estimating location and orientation of magnetic dipoles using extended Kalman filtering and Schweppe likelihood ratio detection | 
| 01/05/1995 | WO1995000861A1 Satellite positioning system filter | 
| 01/04/1995 | EP0632252A1 Navigation system | 
| 01/04/1995 | CN2186912Y Casing structure of satellite positioning avigraph | 
| 01/03/1995 | US5379223 Inertial measurement and navigation system using digital signal processing techniques | 
| 12/28/1994 | EP0631111A1 Procedure and device for determining the position of an aircraft | 
| 12/28/1994 | EP0631109A1 Passive image sensor navigation system | 
| 12/27/1994 | US5377113 Navigation system for use in vehicle | 
| 12/22/1994 | CA2126257A1 Gps-aided dead reckoning navigation | 
| 12/21/1994 | EP0629877A1 GPS-aided dead reckoning navigation | 
| 12/21/1994 | EP0629841A1 Navigation apparatus and navigation method | 
| 12/21/1994 | EP0629840A1 Navigation system | 
| 12/21/1994 | CN1096581A Component magnetometer correction method and correctable device | 
| 12/20/1994 | US5375059 Vehicle position determination system and method | 
| 12/20/1994 | US5374933 Position correction method for vehicle navigation system | 
| 12/15/1994 | DE4326237C1 Method for determining the location of vehicles in public passenger transport (public transport) | 
| 12/08/1994 | WO1994028526A1 Methods and apparatus for inputting messages, including advertisements, to a vehicle | 
| 12/08/1994 | WO1994028503A1 Multi-mode route guidance system and method therefor | 
| 12/08/1994 | WO1994028435A1 Navigation system for adaptive weighting of gps and dead-reckoning information | 
| 12/08/1994 | WO1994028379A1 Combined pc/104 and satellite positioning system | 
| 12/07/1994 | EP0627612A1 Navigation system | 
| 12/06/1994 | US5371678 System and method for navigating vehicle along set route of travel | 
| 12/06/1994 | US5371497 Navigation system for vehicles | 
| 11/29/1994 | US5369588 Navigation system for motor vehicles | 
| 11/29/1994 | US5368271 Gimbal vibration isolation system | 
| 11/29/1994 | US5367898 Method of calculating scale factor of gyro | 
| 11/24/1994 | WO1994027268A1 Gps explorer | 
| 11/24/1994 | WO1994027206A1 Location-triggered interactive data retrieval system | 
| 11/24/1994 | CA2662810A1 Gps explorer | 
| 11/23/1994 | EP0625716A2 Monitoring systems to measure flight characteristics of moving sports object | 
| 11/23/1994 | EP0625693A2 Vertical reference and attitude system | 
| 11/22/1994 | US5367463 Vehicle position and azimuth computing system | 
| 11/22/1994 | US5367457 Apparatus and method for improving accuracy of an automatic travelling apparatus | 
| 11/19/1994 | CA2123858A1 Monitoring systems to measure flight characteristics of moving sports object | 
| 11/17/1994 | EP0624860A1 Recommended route guide apparatus | 
| 11/17/1994 | EP0513019B1 Position sensor | 
| 11/15/1994 | US5365451 Mobile unit tracking system | 
| 11/15/1994 | US5365449 Navigation device | 
| 11/15/1994 | US5365448 On-vehicle navigation apparatus with automatic re-initialization function | 
| 11/15/1994 | US5363700 Skewed axis inertial sensor assembly | 
| 11/10/1994 | DE4412859C1 Destination-guidance display | 
| 11/10/1994 | DE4312583A1 Position and mission data device for flight navigation and flight data processing with GPS (Navstar) supported display | 
| 11/08/1994 | US5363306 On-vehicle navigation apparatus | 
| 11/08/1994 | US5363305 Navigation system for a mobile robot | 
| 11/03/1994 | DE4314286A1 Device for guiding people to destinations | 
| 11/02/1994 | EP0622611A1 Navigation apparatus | 
| 11/01/1994 | US5360236 Apparatus and methods for mounting an inertial sensor chassis to an aircraft support frame | 
| 11/01/1994 | US5360184 High-performance, low-cost inertial guidance system | 
| 11/01/1994 | US5359889 Vertical position aided inertial navigation system | 
| 10/26/1994 | EP0621459A1 A map-reading electronic compass | 
| 10/25/1994 | US5359529 Route guidance on/off-route state filter | 
| 10/25/1994 | US5359527 Navigation system for vehicle | 
| 10/25/1994 | US5357817 Wide bandwidth stable member without angular accelerometers |