Patents
Sitemap › G01 - Measuring; Testing › G01C - Measuring distances, levels or bearings; Surveying; Navigation; Gyroscopic instruments; Photogrammetry or videogrammetry › G01C 21 - Navigation; Navigational instruments not provided for in groups
Patents for G01C 21 - Navigation; Navigational instruments not provided for in groups (52,650)
03/1990
03/14/1990EP0358628A2 Visual navigation and obstacle avoidance structured light system
03/14/1990EP0358058A1 Caging system
03/14/1990CN1007180B Coordinateless method to locate the platform of drilling by microwave orientalion
03/13/1990CA1266715A1 Land vehicle navigation device comprising a filter unit for determining an optimum heading from presented orientation signals, and filter unit to be used in said navigation device
03/08/1990WO1990002391A1 Directional information system
03/07/1990EP0357515A1 Terrestrial navigation system displaying the position of a vehicle in real time
03/07/1990EP0357200A2 Position sensor
03/06/1990US4907274 Intelligent work station
02/1990
02/28/1990EP0355232A2 Road drawing system for a navigation apparatus
02/28/1990CN2053763U Distance control time signal clock
02/22/1990WO1990001679A1 Navigation system
02/20/1990US4903212 GPS/self-contained combination type navigation system
02/20/1990US4903211 On-board navigation system for motor vehicles
02/20/1990CA1266111A1 Spacecraft camera image registration
02/20/1990CA1266110A1 Star sightings by satellite for image navigation
02/14/1990EP0354684A2 Road vehicle route selection and guidance systems
02/14/1990EP0354561A2 Automatic travelling apparatus and method
02/06/1990US4899293 Method of storage and retrieval of digital map data based upon a tessellated geoid system
02/06/1990US4899285 System and method for measuring a position of a moving object with a hybrid navigation apparatus
01/1990
01/31/1990EP0352332A1 Vehicle navigation system
01/30/1990US4897792 Method of memorizing travel locus data for use in an automotive navigation system
01/24/1990EP0351472A2 Method of correcting distance error in navigation system
01/11/1990WO1990000257A1 Attitude measuring device
01/10/1990EP0349977A2 Apparatus for navigating a vehicle
01/10/1990EP0349961A2 Inertial equipment using fiber optic gyroscope
01/10/1990EP0349652A1 Vehicle navigation system
01/09/1990US4893247 Orientation and localization table on map
01/09/1990US4893246 Apparatus for displaying travel path
01/03/1990EP0348528A1 Vehicle navigation system
01/02/1990US4891761 Method for accurately updating positional information provided on a digital map
01/02/1990US4891760 On-board navigation system for motor vehicles
01/02/1990US4891642 For an aircraft
12/1989
12/28/1989WO1989012835A1 Road vehicle locating system
12/28/1989DE3909532A1 Location selection device for an on-board navigation system
12/26/1989US4890233 Vehicle bearing detection and data processing methods applicable to vehicle navigation system
12/26/1989US4890104 Electronic map display system for use on vehicle
12/26/1989US4888873 Navigation apparatus
12/20/1989EP0346906A2 System for displaying the present position of a moving object
12/20/1989EP0346493A1 Guide unit for destination of vehicle navigation system
12/20/1989EP0346492A1 Route search method for navigation system
12/20/1989EP0346491A1 A display unit of navigation system
12/20/1989EP0346483A1 Navigation unit
12/19/1989US4888699 System of navigation for vehicles
12/19/1989US4888698 Method for storing a parcelwise divided digital data base as well as of addressing a data parcel in a mass memory, and apparatus for carrying out the method
12/19/1989US4888540 Electronic torquer interface and erection control circuit
12/14/1989DE3820129A1 Method of representing road systems in data memories
12/13/1989EP0345818A2 Route guidance system for a mobile telecommunication system
12/12/1989US4887081 Apparatus for displaying travel path
12/05/1989US4885536 Magnetic process for determining a trajectory for finding a magnetic object and apparatus for performing the process
12/05/1989US4884771 Method for calibrating the gyros of a 3-axis stabilized satellite
11/1989
11/30/1989WO1989011632A1 Skewed axis inertial sensor assembly
11/21/1989US4882697 Stabilization control circuit for vertical position in an inertial navigator
11/21/1989US4882696 Navigation apparatus
11/21/1989US4882689 Navigation system using angular rate sensor
11/16/1989DE3910492A1 Arrangement contained in a navigation steering device
11/15/1989EP0341645A2 Digital mapping display apparatus
11/14/1989US4879812 Aerial map navigational aid
11/08/1989EP0341142A2 Observation method including the scanning of a celestial body and the measurement of the angular velocity of a space vehicle, observation system for its application and space vehicle provided with this system
11/07/1989USH712 Method of stellar navigation using an optical correlator
11/07/1989US4879658 Navigation system using angular rate sensor
11/02/1989EP0339639A2 Apparatus for navigating vehicle
10/1989
10/31/1989US4878170 Vehicle navigation system
10/24/1989US4876651 Digital map system
10/19/1989DE3811767A1 Device for position determination
10/17/1989US4874937 Digital sun sensor
10/11/1989CN1036185A Wind shear detection system
10/11/1989CN1036184A Flight path responsive aircraft wind shear alerting and warning system
10/05/1989DE3810180A1 Broadcast receiver, particularly vehicle receiver
10/04/1989EP0335380A2 Testing apparatus
10/04/1989EP0335116A2 Method of aligning a two axis platform
09/1989
09/26/1989US4870602 Method for determining route angles
09/26/1989CA1261039A1 Automotive navigation system
09/26/1989CA1261038A1 Automotive navigation system
09/26/1989CA1260122A1 Automotive navigation system
09/20/1989EP0333330A1 Information distribution system
09/19/1989US4866852 Aeronautic chart removably attachable course and position locator
09/14/1989DE3806848A1 Method and device for presenting routing information
09/14/1989DE3806842A1 Method and device for entering routing information
09/13/1989EP0331675A1 Process and system for supplying drivers of land road vehicles with route information.
09/12/1989US4866626 Navigation by a video-camera sensed ground array
09/06/1989EP0331545A1 Process and device for the determination of the course with wind (or current) of an aircraft (or watercraft)
09/06/1989EP0331544A1 Device for directly reading the course on a map which has to be followed by an aircraft or watercraft
09/06/1989EP0331262A2 Method of calibrating a compass heading
09/06/1989EP0330787A2 Navigation system
09/06/1989EP0191022B1 Device for the acquisition of navigation data
08/1989
08/30/1989EP0330184A2 Helmet Mounted Display System
08/30/1989EP0330147A2 Aircraft helmet pointing angle display symbology
08/29/1989US4862374 Navigational plotting system
08/29/1989US4862373 Method for providing a collision free path in a three-dimensional space
08/29/1989US4862047 Apparatus for guiding movement of an unmanned moving body
08/23/1989EP0329405A1 Apparatus for displaying current location
08/23/1989EP0329344A1 Gyroscope system
08/15/1989USRE33025 Method and apparatus for display of distance and direction to destination
08/15/1989US4857923 Ground proximity warning system for an excessive descent rate over undulating terrain
08/09/1989EP0327447A1 Radio navigation system
08/09/1989EP0126089B1 Tactical dinghy compass
08/03/1989DE3801888A1 Routing system
08/01/1989CA1258119A1 Freeze frame apparatus for moving map display system
07/1989
07/27/1989WO1989006846A1 Flight path responsive aircraft wind shear alerting and warning system
07/18/1989US4849827 Disk and navigation apparatus for position locating system
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