Patents
Patents for G01S 5 - Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations (29,969)
03/1991
03/20/1991EP0418181A1 Radio-electrical system for localizing a mobile object
03/07/1991WO1991002988A1 Target information transmission system
03/02/1991WO1991003892A1 Improvements in a spread-spectrum multiplexed transmission system
03/02/1991CA2064898A1 Spread-spectrum multiplexed transmission system
02/1991
02/27/1991EP0414658A2 Device for image hit-indicating
02/27/1991EP0414027A1 Procedure and device for the heading calculation
02/26/1991US4996473 Microburst/windshear warning system
02/21/1991WO1991001906A1 Control or regulating system for motor vehicles
02/19/1991US4995011 Acoustic mapping system using tomographic reconstruction
02/14/1991DE3926438A1 Measuring path of motion of point moving in plane or space - using three displacement transducers with scales in edge of region of anticipated path
02/13/1991CN1011624B Sonic system for monitoring the trajectory of a projectile
02/07/1991DE3925831A1 Kraftfahrzeugsteuer- oder regelungssystem Kraftfahrzeugsteuer- or control system
02/06/1991EP0411902A2 Methods and systems of attitude determination
02/05/1991US4991148 Acoustic digitizing system
02/05/1991US4990925 Interferometric radiometer
02/05/1991US4990924 Satellite locating system
02/05/1991US4990922 System and method for measuring ocean surface currents at locations remote from land masses using synthetic aperture radar
01/1991
01/30/1991EP0410594A2 Locating system
01/30/1991CN1011442B Precision increase in aircraft location systems for aircraft
01/22/1991US4987420 Method of determining a position using satellites
01/22/1991CA1279391C Passive ranging method and apparatus
01/20/1991CA2013287A1 Satellite locating system
01/16/1991EP0408179A2 Integrated automated system for waste site characterization
01/15/1991CA1279122C Fast sequencing demodulation method and apparatus
01/14/1991CA2016309A1 Integrated automated system for waste site characterization
01/10/1991WO1991000531A1 Position measuring device of underground excavator
01/10/1991WO1991000497A1 Device for measuring position of underground excavator
01/08/1991CA1278847C Reducing cycle slippage errors in loran-c for vehicles undergoing acceleration
01/01/1991US4982188 System for measuring positional characteristics of an ejected object
12/1990
12/27/1990EP0404280A1 System and method for determining the position of a person or other body
12/27/1990EP0403585A1 Surveying instrument with receiver for a satellite position measurement system and process for operating it.
12/18/1990CA1278085C Method and device for locating submerged objects in relationship to a towing ship
12/13/1990WO1990012330A3 Hand-held laser rangefinder
12/12/1990EP0292487A4 Spread-spectrum multiplexed transmission system
12/11/1990US4976619 Passive location method
12/04/1990US4975707 Multiple satellite locating system
12/04/1990CA1277400C Anti-theft and locating system
11/1990
11/29/1990WO1990014605A1 Microburst/windshear warning system
11/27/1990US4973970 Integrated automated system for waste site characterization
11/20/1990US4972431 P-code-aided global positioning system receiver
11/15/1990WO1990013856A1 Travelling control apparatus for vehicules
11/15/1990DE4006939A1 Measurement of azimuth for tachometry - using tachometer and navigation satellite system with reflector at measurement point for reduced equipment costs and measurement time
11/14/1990EP0396609A1 Direction sensitive energy detecting apparatus
11/13/1990US4970698 Self-calibrating sonar system
11/13/1990US4970523 Differential doppler velocity GPS receiver
11/01/1990WO1990013186A1 Communication system employing multiple relay satellites operating on common downlink frequency
10/1990
10/24/1990EP0393935A2 Vehicle location detecting system
10/23/1990US4964722 Remote object configuration/orientation determination
10/16/1990US4963889 Method and apparatus for precision attitude determination and kinematic positioning
10/14/1990WO1990012330A2 Hand-held laser rangefinder
10/14/1990CA2051656A1 Hand-held laser rangefinder
10/04/1990DE3909758A1 Method for self-location of moving objects on the basis of long-wave, mutually phase-locked signals
10/03/1990EP0389972A2 Differential doppler velocity GPS receiver
09/1990
09/25/1990US4959656 Efficient detection and signal parameter estimation with application to high dynamic GPS receiver
09/25/1990CA1274611A1 Method and apparatus for precision surveying using broadcast satellite signals
09/11/1990US4956824 Position determination apparatus
09/11/1990US4956794 Single camera three dimensional head position sensing system
09/05/1990EP0385852A1 Device for fast movement restitution by observation of a reflecting pattern and method for the realisation of the device
09/05/1990EP0385825A1 System for the materialization of a point in a space, its applications and tooling equipment for said system
09/05/1990EP0385600A2 System for tracking an aircraft over an area
09/05/1990EP0385528A2 Process and system for the determination of the position and relative orientation of two objects in space
09/04/1990US4954837 Terrain aided passive range estimation
09/04/1990US4954836 Follow-up system for moving bodies
09/04/1990US4954833 Method for determining astronomic azimuth
08/1990
08/29/1990EP0383783A1 Automatic vehicle guidance systems
08/23/1990DE3904914A1 Method and device for error reduction in the measurement of three-dimensional movement of measurement points, by means of ultrasound signals
08/21/1990US4951263 Spread spectrum underwater location beacon system
08/14/1990US4949089 Portable target locator system
08/08/1990EP0380535A1 Automatic vehicle guidance systems
08/01/1990EP0379756A1 Locating system and method
07/1990
07/31/1990US4944587 Star sensor
07/26/1990WO1990008371A1 Photographic security system
07/25/1990EP0379425A1 System for determining the position of at least one target by means of triangulation
07/25/1990EP0379198A2 Mobile object navigation system
07/18/1990EP0377592A1 Navigation and tracking system
07/17/1990US4942539 Method and system for automatically determining the position and orientation of an object in 3-D space
07/10/1990US4941150 Spread spectrum communication system
07/03/1990US4939701 Method and apparatus for error reduction when measuring movement in space of test points by means of ultrasonic signals
07/03/1990US4939522 Method and system for monitoring vehicle location
06/1990
06/28/1990WO1990007096A1 Method and system for automatically determining the position and orientation of an object in 3-d space
06/28/1990DE3932029A1 Position recognition device for vehicles in monitor zone - has separate position transmitters received and reradiated by vehicle along with marker
06/26/1990US4936678 Position detection system for use with agricultural and construction equipment
06/20/1990CN1008499B Method of and apparatus for reducing cycle slippage errors in radio-frequency signal reception
06/19/1990US4935619 Wireless remote-control system for electronic apparatus
06/13/1990DE3841585A1 Arrangement for calibrating a hyperbolic positioning system
06/12/1990US4933864 Mobile robot navigation employing ceiling light fixtures
06/12/1990US4932777 Electro-optical spin measurement system
05/1990
05/22/1990US4928175 Method for the three-dimensional surveillance of the object space
05/22/1990US4928106 Global positioning system receiver with improved radio frequency and digital processing
05/17/1990WO1990005349A1 Radio tracing system to locate a transmitter
05/08/1990US4924450 Ultrasonic ranging and data telemetry system
05/08/1990US4924446 Navigation system and method for determining the position of a relatively noisy platform using underwater transponders
05/08/1990US4923303 Measuring device for location and attitude determination of an object
05/03/1990DE3927851A1 Moving object spatial position detector and guide - has electro=optical system detecting lights on aircraft steering, guidance computer and radio link for automatic landing
05/03/1990CA2002039A1 Helmet pointing apparatus
05/02/1990EP0366112A2 Optical coordinate input apparatus and position indicator therefor
05/01/1990CA1268525A1 Position sensing system for a moving object
04/1990
04/19/1990WO1990004291A1 Vehicle status monitor and management system employing satellite communication
04/17/1990US4918610 Navigation, communication, and surveillance system based on DME
04/17/1990US4918609 Satellite-based position-determining system