Patents for G01C 21 - Navigation; Navigational instruments not provided for in groups (52,650)
09/1990
09/04/1990US4954962 Visual navigation and obstacle avoidance structured light system
09/04/1990US4954959 Navigation system
09/04/1990US4954958 System for providing routing directions for travel between locations
09/04/1990US4954837 Terrain aided passive range estimation
08/1990
08/30/1990DE3905493A1 Locating and navigating system for land vehicles
08/22/1990EP0383305A2 Data processing apparatus
08/22/1990EP0383114A1 Measurement and control system for scanning sensors
08/22/1990EP0383094A2 Method and apparatus for reading navigation data from a compact-disc
08/21/1990US4951213 Vehicle navigation
08/21/1990US4951212 Automobile driving guide apparatus
08/21/1990US4951211 Electronic guiding and information system for traffic
08/21/1990US4949922 Satellite control system
08/16/1990EP0382592A1 Universal map display system specially adapted for pictorial representation of an optionally referenced object on a corresponding map background
08/16/1990EP0381726A1 Skewed axis inertial sensor assembly
08/14/1990US4949268 Land vehicle navigation system
08/08/1990EP0381178A1 Method and apparatus for aircraft navigation
08/08/1990EP0380673A1 Navigation system
08/08/1990CN1044530A Guide beacon display device
08/07/1990US4947365 Network path trace apparatus and network path trace method
08/07/1990US4947164 Flight path responsive aircraft wind shear alerting and warning system
08/02/1990DE4002176A1 GPS navigation arrangement for vehicle
07/1990
07/31/1990CA1272294A1 Apparatus and method for real time reconstruction of digital map data
07/26/1990WO1990008373A1 Navigation system
07/25/1990EP0379198A2 Mobile object navigation system
07/24/1990US4943925 Navigation apparatus based on present position calculating system
07/18/1990EP0378271A1 Method for the perspective display of a part of a topographic map, and device suitable for performing such a method
07/18/1990EP0377645A1 Process for recognizing curves and for determining the transverse acceleration in a vehicle.
07/17/1990US4941264 Device for reading directly from a chart the heading to be followed by an air or sea-going vehicle
07/11/1990EP0377480A2 Procedure for setting up and keeping up-to-date data files for road traffic
07/10/1990US4940925 Closed-loop navigation system for mobile robots
07/04/1990EP0375818A1 Navigation apparatus
07/04/1990EP0375817A1 Navigation apparatus
07/04/1990EP0375816A1 Navigation apparatus
07/04/1990EP0375815A1 Steering sensor
07/04/1990EP0262122B1 Navigation system for vehicles
07/03/1990US4939663 Elevation map-referenced mechanism for updating vehicle navigation system estimates
07/03/1990US4939662 Navigation apparatus
07/03/1990US4939661 Apparatus for a video marine navigation plotter with electronic charting and methods for use therein
06/1990
06/27/1990EP0375496A1 Attitude determination and control system for a spin-stabilized satellite in an elliptic transfer orbit
06/26/1990US4937753 Route end node series preparing system of navigation apparatus
06/26/1990US4937752 An apparatus for correcting distance error in a navigation system
06/26/1990US4937751 Course guiding system for a vehicle
06/26/1990US4937572 Map display apparatus storing data of physically adjacent map sections in physically adjacent storage locations
06/26/1990US4937570 Route guidance display device
06/26/1990CA1270635A1 Magnetic compass calibration
06/23/1990CA2005025A1 Method of determining and controlling the attitude of a spin-stabilized satellite in an elliptical transfer orbit
06/20/1990EP0373386A2 Motor vehicle driver information apparatus
06/20/1990EP0373317A2 Device and method for determining errors in the data of a magnetic direction sensor
06/19/1990CA1270545A1 Flight guidance for aircraft in windshear
06/14/1990WO1990006562A1 Navigational aids
06/14/1990WO1990006558A1 Personal multi-purpose navigational apparatus and method for operation thereof
06/14/1990WO1990006491A1 Method for determining the coordinates of stars for preparation of a star catalogue
06/13/1990EP0372916A2 Vehicle in-situ locating apparatus
06/13/1990EP0372840A2 Adaptive in-vehicle route guidance system
06/13/1990EP0372434A2 Satellite control system
06/09/1990CA2001853A1 Satellite control system
05/1990
05/30/1990EP0171424B1 Aircraft flight data recorder data acquisition system
05/29/1990US4930085 Method for determining the heading of an aircraft
05/29/1990CA1269740A1 Automated vehicle drift correction
05/23/1990EP0369580A2 Forward looking windshear detection apparatus and method
05/23/1990EP0369539A1 Bucket-oriented route planning method, and navigation system comprising a route planner for carrying out such a method
05/22/1990US4927097 For a platform
05/16/1990EP0368692A1 Position-finding apparatus for a vehicle, particularly an aircraft, in a two-dimensional plane
05/16/1990EP0368457A1 Compass system
05/16/1990EP0160072B1 Navigation system including an integrated electronic chart display
05/15/1990US4926336 Route searching system of navigation apparatus
05/15/1990US4926122 High sensitivity magnetic circuit
05/15/1990US4924699 Position measuring method using a satellite
05/15/1990US4924593 Method for aligning a two-axis platform
05/09/1990EP0367526A2 Closed-loop navigation system for mobile robots
05/08/1990US4924402 Method for identifying current position of vehicle
05/08/1990US4924153 Apparatus for guiding movement of an unmanned moving body
05/03/1990WO1990004831A1 A method of storage and retrieval of digital map data based upon a tessellated geoid system
05/02/1990EP0366132A2 Multifunction operating apparatus
05/01/1990US4920655 High speed well surveying and land navigation
04/1990
04/25/1990EP0365389A1 Method of automatically analysing and identifying periodic signals, and apparatus for carrying out this method
04/25/1990EP0263894B1 Method to determine heading reference in aircraft
04/24/1990CA1268240A1 Apparatus for generating a heading signal for a landing vehicle
04/18/1990EP0364353A1 Method of measuring the evolution of the position of a vehicle relative to a plane
04/18/1990EP0364134A1 Speed and direction sensing apparatus for a vehicle
04/18/1990EP0363396A1 Process and device for determining the position of a land craft.
04/11/1990EP0363243A1 Method and system for autonomously controlling the orbit of a geostationary satellite
04/11/1990EP0362389A1 Vehicle navigation system
04/10/1990US4916650 Sensor signal integrating method
04/10/1990CA1267707A1 Above-ground arrangement for and method of locating a discrete inground boring device
04/07/1990CA2000233A1 Device for detecting the position of a moving body, in particular an aircraft, in a plane
04/04/1990EP0360934A1 Method and apparatus for measuring relative heading changes in a vehicular onboard navigation system
04/03/1990US4914734 Intensity area correlation addition to terrain radiometric area correlation
04/03/1990US4914605 Apparatus and method for displaying a map
04/03/1990US4914598 Integrated redundant reference system for the flight control and for generating heading and attitude informations
03/1990
03/29/1990DE3832764A1 Navigation aid for aviation
03/28/1990EP0360524A2 Plotter apparatus for a vessel
03/27/1990US4912645 Automotive navigation system
03/27/1990US4910875 Longitude location device
03/22/1990WO1990002922A1 Map-assisted locating and navigating system
03/22/1990DE3830901A1 Plangestuetztes ortungs- und navigationsystem Plangestuetztes positioning and navigation system
03/21/1990EP0359287A2 Navigation system and method using map data
03/21/1990EP0359150A2 Vehicle position display device
03/21/1990CN1007293B Positioning and message-transfering system employing satellites and stored topographic map
03/20/1990US4910674 Navigation of aircraft by correlation