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)
01/1989
01/03/1989US4796100 Pictorial information source system
12/1988
12/29/1988WO1988010459A1 Nutation sensor and nutation control system for a dual-spin stabilized satellite
12/27/1988US4794536 Steering angle detection device
12/20/1988US4792907 Vehicle navigation system
12/20/1988US4792799 Aircraft terrain closure warning system with descent rate based envelope modification
12/15/1988WO1988009974A1 Process and device for determining an itinerary between a starting and a destination point
12/15/1988WO1988009916A1 Process and device for determining the position of a land craft
12/14/1988EP0294811A2 High speed well surveying and land navigation
12/13/1988US4791574 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
12/13/1988CA1246724A1 Global positioning system course acquisition code receiver
12/13/1988CA1246722A1 Digital phase rotation of signals
11/1988
11/30/1988EP0292593A1 Gyrocompass navigation system for land vehicles
11/29/1988US4788645 Method and apparatus for measuring relative heading changes in a vehicular onboard navigation system
11/23/1988EP0292339A1 Integrated attitude determining system for aircraft
11/22/1988US4786908 For measuring the state of a dynamic system
11/22/1988US4786905 Aircraft instrument
11/17/1988WO1988008961A1 Position detection system
11/15/1988US4785404 Beating and passage time optimization computer navigation system for sailing vessels
11/09/1988EP0289803A2 Means and method for measuring the course of a land vehicle
11/09/1988CN87102911A Ship navigition radar arpa information pronunciation output method and its terminal equipment
11/02/1988EP0289033A2 Linear motion screened inductance sensors
11/01/1988US4782447 System and method for navigating a vehicle
10/1988
10/26/1988CN88102187A Stabilization control circuit for vertical position in an inertial navigator
10/25/1988US4780717 Electronic map display system for use on vehicle
10/20/1988WO1988008119A1 Process and device for selection or input of the destination in motor vehicle navigation systems
10/20/1988WO1988008118A1 Stabilization control circuit for vertical position in an inertial navigator
10/19/1988CN88105044A Coordinateless method to locate the platform of drilling by microwave orientation
10/18/1988CA1243405A1 Configuration responsive descent rate warning system for aircraft
10/12/1988EP0286105A2 Automobile driving guide apparatus
10/11/1988US4777602 Digital autopilot controller for marine vessels
10/11/1988CA1243119A1 Aircraft terrain warning system with configuration modified warning and improved mode switching
10/11/1988CA1243118A1 Aircraft terrain closure warning system with descent rate based envelope modification
10/11/1988CA1243117A1 Altitude loss after take-off warning system utilizing time and altitude
09/1988
09/28/1988EP0283723A2 An N-dimensional information display method for air traffic control
09/27/1988US4774672 Navigation system for automotive vehicle including feature of updating vehicle position at selected points along preset course
09/27/1988US4774671 Navigation system for automotive vehicle including feature of updating vehicle position at every intersection along preset course
09/22/1988WO1988005996A3 Triaxis stabilized platform
09/21/1988EP0283302A2 Techniques for determining orbital data
09/07/1988EP0280795A1 Method and apparatus for storing a digital data base divided into parcels
08/1988
08/30/1988US4768153 Automatic pilot system
08/30/1988CA1241416A1 Navigation system including integrated electronic chart display
08/30/1988CA1241414A1 Receiver for global positioning system and method for determining position of a stationary station using same
08/25/1988WO1988005996A2 Triaxis stabilized platform
08/23/1988US4765573 Guidance system for a missile in flight to intercept a target
08/23/1988CA1241081A1 Excessive terrain closure warning system
08/11/1988WO1988005938A1 Vehicle navigator
08/10/1988EP0277231A1 Distributed kalman filter
08/09/1988US4763270 Navigation system for a vehicle and method therefor
08/09/1988US4763269 Position determining apparatus for vehicle
08/09/1988US4763268 Direction display apparatus
08/03/1988EP0276689A2 Inertia sensor arrangement
08/03/1988EP0276663A2 Device for determining the time variant position and the errors of a repeater navigation system relative to a master system
08/03/1988EP0276366A1 Error correction method for the location of terrestrial vehicles within an enclosure
08/02/1988US4761742 Guiding spot display apparatus
08/02/1988CA1240049A1 Surveying satellite incorporating star-sensing attitude determination subsystem
08/02/1988CA1239990A1 Magnetic flux detector correction system
07/1988
07/28/1988DE3700995A1 CD player
07/27/1988EP0275853A1 Apparatus for multi-dimensional optimising of routs
07/26/1988US4760531 Map display system
07/26/1988US4760396 Apparatus and method for adjusting set clearance altitude in a terrain following radar system
07/26/1988CA1239696A1 Aircraft flight data recorder data acquisition system
07/20/1988EP0274917A2 Multi-function navigation instrument
07/20/1988EP0274530A1 Terrain map memory matrixing
07/19/1988US4758959 Vehicle navigation system provided with an adaptive inertial navigation system based on the measurement of the speed and lateral acceleration of the vehicle and provided with a correction unit for correcting the measured values
07/14/1988WO1988005199A1 Process and system for supplying drivers of land road vehicles with route information
07/13/1988EP0273976A1 Guiding apparatus for unmanned movable bodies
07/12/1988US4757455 Navigation system for a vehicle
07/05/1988US4755956 Freeze frame apparatus for moving map display system
06/1988
06/28/1988US4754465 Global positioning system course acquisition code receiver
06/22/1988EP0272078A2 Apparatus for display travel path
06/22/1988EP0272077A2 Apparatus for displaying travel path
06/22/1988EP0272073A2 System for surveying fluid transmission pipelines and the like
06/21/1988US4752884 Precision platform pointing controller for a dual-spin spacecraft
06/21/1988CA1238398A1 Terrain advisory system
06/15/1988EP0270911A2 Vehicle location detecting system
06/14/1988US4751649 Motor vehicle with driving status discrimination device
06/08/1988EP0269655A1 Warning system for tactical aircraft
06/07/1988US4749157 Spacecraft accelerometer auto-alignment
06/02/1988WO1988004029A1 System for guiding a vehicle inside a road network
06/01/1988EP0268628A1 Navigation aids.
06/01/1988DE3640109A1 Leitsystem fuer ein fahrzeug innerhalb eines strassennetzes Control system for a vehicle within a road network
05/1988
05/31/1988US4747317 System for surveying fluid transmission pipelines and the like
05/24/1988US4746976 Star sightings by satellite for image navigation
05/24/1988US4746085 Method for determining the earth's magnetic field and a satellite's attitude for attitude control
05/10/1988US4744033 Electronic display system
05/10/1988US4743913 Hybrid navigation system for determining a relative position and direction of a vehicle and method therefor
04/1988
04/27/1988EP0264756A2 Position measuring method with satellite
04/27/1988CN87105727A Terrain map memory matrixing
04/26/1988US4740681 Star sensor for attitude detection of a spinning satellite
04/26/1988US4740680 Star sensor arrangement for a rotating satellite having two fields of view
04/26/1988CA1235782A1 Apparatus for calculating position of vehicle
04/20/1988EP0263894A1 Method to determine heading reference in aircraft
04/20/1988CN87105637A Automatic calibration for accelerometer of spacecraft
04/19/1988CA1235508A1 Adaptive inertial vehicle navigation system
04/13/1988EP0263777A2 Integrated and redundant reference system for flight control and for delivering heading and attitude information
04/13/1988EP0263179A1 Wind shear detector head-up display system
04/12/1988US4737927 Map display apparatus
04/12/1988US4737916 Electronic map display system
04/06/1988EP0262122A1 Navigation system for vehicles.
04/05/1988US4736303 On-vehicle navigation system
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