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)
05/1989
05/10/1989EP0315411A1 Improvements in or relating to a target tracking system
05/10/1989EP0315377A2 A Loran-C navigation system
05/09/1989US4828382 Passive radio altimeter
05/05/1989WO1989004002A2 Vehicle location system accuracy enhancement for airborne vehicles
04/1989
04/19/1989EP0312481A2 Method to determine the position and the state of an object using ultrasonics
04/18/1989CA1252856A1 Navigation, communication, and surveillance system based on dme
04/12/1989EP0310939A2 Satellite-based vehicle communication/position determination system
04/11/1989US4821294 Digital signal processor and processing method for GPS receivers
04/11/1989US4820041 Position sensing system for surveying and grading
04/06/1989WO1989003076A1 Automatic vehicle guidance systems
04/06/1989WO1989003075A1 Automatic vehicle guidance systems
04/06/1989WO1989003049A1 Position meter using laser beam
04/06/1989WO1989003048A1 Apparatus and method for receiving and processing loran signals
04/05/1989EP0309545A1 Liquid impoundment survey vehicle incorporating positioning finding and tracking system
04/04/1989US4819053 Single-point locating system
04/04/1989US4818998 Method of and system and apparatus for locating and/or tracking stolen or missing vehicles and the like
04/04/1989US4818107 System for measuring the position of a moving body
03/1989
03/28/1989US4815840 Position locating system for a vehicle
03/22/1989EP0308222A2 Point location determination at or close to the surface of the sea
03/21/1989US4814994 Relative position navigation system with means for computing synthetic azimuth
03/21/1989US4814771 Apparatus and method for receiving and proessing Loran signals
03/21/1989US4814552 For entering information into an electronic system
03/21/1989US4813877 Remote strafe scoring system
03/15/1989EP0306942A2 Propagation time detecting system with use of detected phase difference of transmitted and received subcarrier
03/15/1989EP0306577A2 System and method for determining the position of a person or other body
03/14/1989US4812852 Locating system and method
03/14/1989US4812812 Apparatus and method for determining the position and orientation of a remote object
03/14/1989CA1251277A1 Remote actuation device
03/08/1989EP0305780A1 Method and apparatus for error reduction in the measurement of the spatial movement of points to be measured by means of ultrasonic signals
03/07/1989US4811250 Deviation measurement system
03/07/1989US4811228 Method of navigating an automated guided vehicle
03/01/1989EP0304448A1 Relative position indicating means and method
03/01/1989EP0181392B1 Interferometric radiometer
02/1989
02/28/1989US4809006 Satellite communications using the telemetry tracking and control system
02/28/1989US4809005 Determining ship towed sensor position information
02/23/1989WO1989001637A1 Navigation and tracking system
02/21/1989US4807256 Global position system receiver
02/21/1989US4806940 Navigation mode selection apparatus
02/21/1989US4806936 Method of determining the position of multiple targets using bearing-only sensors
02/15/1989EP0303371A1 Navigation and tracking system
02/14/1989US4805160 Data transmission method for ocean acoustic tomography
02/07/1989US4803631 Doppler-adaptive filter for non-zero mean dropout noise
02/07/1989CA1249873A1 Radio ranging, navigation, and location system with correction for systematic errors
02/01/1989EP0301019A1 Method for the three-dimensional surveillance of the object space.
01/1989
01/24/1989US4800577 GPS receiver
01/24/1989US4800391 Method of and apparatus for message communication on Loran-C navigational signal broadcasts and the like with reduced navigation errors
01/17/1989US4799062 Radio position determination method and apparatus
01/17/1989CA1249033A1 Satellite-based position determination and message transfer system with monitoring of link quality
01/11/1989EP0298571A1 Position identification
01/10/1989US4797677 Method and apparatus for deriving pseudo range from earth-orbiting satellites
01/10/1989US4797557 Position sensing system for a moving object wherein a lens focuses light onto a radiation sensitive matrix
01/04/1989EP0297665A2 Radiation source detection
12/1988
12/20/1988US4792806 Lightning position and tracking method
12/13/1988US4791572 Method for accurately displaying positional information on a map
12/13/1988CA1246724A1 Global positioning system course acquisition code receiver
12/06/1988USH549 Apparatus and method for locating towed seismic apparatus
12/01/1988WO1988009515A1 Locating process for localizing unknown receiver or transmitter positions
12/01/1988DE3816462A1 Method for transmitting signals via a narrowband channel
11/1988
11/30/1988EP0292744A2 Procedure for determining the position of cable sections towed behind a ship
11/30/1988EP0292487A1 Spread-spectrum multiplexed transmission system.
11/24/1988DE3714776A1 Optoelectronic measuring arrangement
11/22/1988US4786186 Stirrer for use in liquid storage tanks, and a method for determining its position in the tank
11/22/1988US4786167 For identifying/determining angular location of light beacons
11/15/1988US4785463 Digital global positioning system receiver
11/10/1988DE3713778A1 Anordnung und verfahren zur positionsbestimmung und kollisionsverhuetung Arrangement and method for position determination and kollisionsverhuetung
11/10/1988DE3446658A1 Filter for determining target data
11/01/1988US4782450 Method and apparatus for passive airborne collision avoidance and navigation
11/01/1988US4782328 Ambient-light-responsive touch screen data input method and system
10/1988
10/26/1988EP0288374A1 Passive telemetry method using sound
09/1988
09/27/1988US4774518 Loran-C signal phase tracking apparatus
09/27/1988US4774515 Attitude indicator
09/22/1988WO1988007207A1 Liquid impoundment survey vehicle incorporating positioning finding and tracking system
09/21/1988EP0283302A2 Techniques for determining orbital data
09/21/1988EP0282548A1 Electro-optic space positioner with background compensator
09/15/1988DE3706859A1 Hit image determination
09/07/1988WO1988006738A1 Relative position indicating means and method
09/07/1988EP0281135A1 Portable hit indicator apparatus
08/1988
08/30/1988US4768153 Automatic pilot system
08/30/1988US4768036 Collision avoidance system
08/30/1988CA1241417A1 Position determining navigational system
08/24/1988EP0279184A1 Impact localising method using an acoustic emission monitoring system, in particular for pressure-retaining boundaries in power plants
08/10/1988EP0277231A1 Distributed kalman filter
07/1988
07/20/1988EP0274834A1 Fast sequencing demodulation method and apparatus
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
07/19/1988US4758691 Apparatus for determining the position of a movable object
06/1988
06/30/1988WO1988004060A3 Locating system
06/29/1988CN87105803A Location system for means of delivery
06/28/1988US4754465 Global positioning system course acquisition code receiver
06/28/1988US4754283 Codeless GPS sonde
06/28/1988US4754280 Attitude sensing system
06/23/1988DE3642196A1 Optoelectronic collision protection device for vehicles
06/16/1988DE3641626A1 Method for determining the location of a transmitter and a direction-finding receiver for such a method
06/15/1988EP0271176A1 Investigating and controlling the pointing direction of an antenna on board a spacecraft
06/14/1988US4751512 Differential navigation system for remote mobile users
06/02/1988WO1988004060A2 Locating system
06/01/1988EP0269283A1 Position sensing apparatus
05/1988
05/24/1988US4746924 Apparatus and methods for locating a target utilizing signals generated from a non-cooperative source
05/24/1988US4746221 Stirrer for use in liquid storage tanks
05/18/1988EP0267840A1 Method and apparatus for determining the position of submerged objects with respect to the ship trawling them
05/18/1988EP0267238A1 Passive radio altimeter