Patents
Sitemap › G01 - Measuring; Testing › G01S - Radio direction-finding; Radio navigation; Determining distance or velocity by use of radio waves; Locating or presence-detecting by use of the reflection or reradiation of radio waves; Analogous arrangements using other waves › G01S 19 - Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
Patents for G01S 19 - Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems (34,425)
09/1989
09/26/1989US4870422 Method and system for determining position from signals from satellites
09/26/1989CA1260120A1 Apparatus for and method of doppler searching in a digital gps receiver
09/12/1989US4866450 Advanced instrument landing system
09/05/1989US4864313 Voting method of locating mobile objects
08/1989
08/29/1989US4862178 Digital system for codeless phase measurement
08/22/1989US4860352 Satellite communication system and method with message authentication suitable for use in financial institutions
08/22/1989US4860018 Continuous wave interference rejection for reconstructed carrier receivers
08/09/1989EP0327447A1 Radio navigation system
08/01/1989US4853863 Device to measure the relative position and attitude of two bodies
07/1989
07/18/1989US4849961 Fast sequencing demodulation method and apparatus
07/11/1989US4847862 Global positioning system course acquisition code receiver
06/1989
06/20/1989US4841545 Synchronous tracking device for direct spread spectrum receiver
06/15/1989WO1989005460A1 Buoy and watercraft drift warning system
06/13/1989US4839656 Position determination and message transfer system employing satellites and stored terrain map
06/06/1989US4837700 Method and apparatus for processing data in a GPS receiving device in a road vehicle
06/06/1989US4837580 Microwave landing system with fail-soft switching of dual transmitters, beam steering and sector antennas
05/1989
05/30/1989CA1254977A1 Navigation point locating method and apparatus
04/1989
04/26/1989EP0313019A2 Phase signal filtering apparatus utilizing estimated phase signal
04/18/1989US4823127 Automatic, real-time fault monitor verifying network in a microwave landing system
04/12/1989EP0310939A2 Satellite-based vehicle communication/position determination system
04/11/1989US4821294 Digital signal processor and processing method for GPS receivers
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
03/1989
03/28/1989US4817113 Range estimation using floating reference points
03/21/1989US4814772 Method and apparatus for precisely measuring relative velocity in an interferometric radiometer
03/21/1989US4814711 Survey system and method for real time collection and processing of geophysicals data using signals from a global positioning satellite network
03/14/1989US4812991 Method for precision dynamic differential positioning
03/14/1989US4812852 Locating system and method
02/1989
02/28/1989US4809006 Satellite communications using the telemetry tracking and control system
02/28/1989US4809005 Determining ship towed sensor position information
02/21/1989US4807256 Global position system receiver
02/21/1989US4807171 Digital phase rotation of signals
02/21/1989US4806940 Navigation mode selection apparatus
02/07/1989US4803631 Doppler-adaptive filter for non-zero mean dropout noise
01/1989
01/31/1989US4801942 Interferometeric lightning ranging system
01/24/1989US4800577 GPS receiver
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
01/10/1989US4797677 Method and apparatus for deriving pseudo range from earth-orbiting satellites
01/03/1989US4796191 Vehicle navigational system and method
12/1988
12/20/1988US4792806 Lightning position and tracking method
12/13/1988US4791422 Methods of and apparatus for measuring time of arrival of remote Loran-C and related signals and effective time of transmission of local signals at transmitter sites
12/13/1988CA1246724A1 Global positioning system course acquisition code receiver
12/13/1988CA1246722A1 Digital phase rotation of signals
11/1988
11/30/1988EP0293099A1 Microwave landing system with fail-soft switching of dual transmitters, beam steering and sector antennas
11/29/1988US4788548 Phase measurement ranging
11/15/1988US4785463 Digital global positioning system receiver
11/15/1988CA1244887A1 Receiver for bandspread signals
10/1988
10/19/1988EP0287261A2 Method and apparatus fordetermining the position of a moving object
09/1988
09/27/1988US4774515 Attitude indicator
09/21/1988EP0283353A1 Landing aid system using navigation satellites
08/1988
08/30/1988CA1241414A1 Receiver for global positioning system and method for determining position of a stationary station using same
08/16/1988CA1240774A1 Warning system for microwave landing system airborne receiver
08/10/1988EP0277231A1 Distributed kalman filter
07/1988
07/20/1988EP0274834A1 Fast sequencing demodulation method and apparatus
07/13/1988EP0273925A1 Method and apparatus for precisely measuring relative velocity in an interferometric radiometer.
07/04/1988EP0264440A4 Method and apparatus for precision dynamic differential positioning.
06/1988
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
06/22/1988CN87104552A Method and apparatus for precision measurement of relative speeds in interference radiationmeter
06/14/1988US4751512 Differential navigation system for remote mobile users
05/1988
05/24/1988US4746924 Apparatus and methods for locating a target utilizing signals generated from a non-cooperative source
05/10/1988US4744083 Satellite-based position determining and message transfer system with monitoring of link quality
05/03/1988US4742356 Method and apparatus for determining remote object orientation and position
04/1988
04/27/1988EP0264756A2 Position measuring method with satellite
04/27/1988EP0264440A1 Method and apparatus for precision dynamic differential positioning.
04/26/1988US4740792 Vehicle location system
04/19/1988US4739351 Verification of on-line fault monitor performance
04/12/1988US4737794 Method and apparatus for determining remote object orientation and position
03/1988
03/29/1988US4734702 Passive ranging method and apparatus
03/29/1988US4734701 Null processing receiver apparatus and method
03/22/1988US4733241 Position finding and collision avoidance system
03/15/1988US4731613 Positioning system for a vehicle
03/10/1988WO1988001750A1 Vehicle locating system
03/02/1988CN87104303A 先进的仪表着陆系统 Advanced Instrument Landing System
03/01/1988US4728958 Coherent electromagnetic energy emitter locator
02/1988
02/25/1988WO1988001409A1 Distributed kalman filter
01/1988
01/27/1988CN87104969A Method of and apparatus for measuring time of arrival of remote loran-c and related signals and effective time of transmission of local signals at transmitter sites
01/20/1988EP0253470A2 Methods of and apparatus for measuring time of arrival of remote Loran-C and related signals and effective time of transmission of local signals at transmitter sites
01/14/1988WO1988000354A1 Method and apparatus for precisely measuring relative velocity in an interferometric radiometer
01/12/1988US4719469 Direction-determining system
12/1987
12/23/1987EP0250211A2 Codeless GPS sonde
11/1987
11/19/1987WO1987007030A1 Advanced instrument landing system
11/19/1987EP0245555A1 Method of and system and apparatus for locating and/or tracking stolen or missing vehicles and the like
11/05/1987WO1987006713A1 Method and apparatus for precision dynamic differential positioning
11/04/1987EP0244091A2 Navigation mode selection apparatus
10/1987
10/27/1987US4703444 Systems for determining distances to and locations of features on a golf course
10/21/1987EP0242115A2 Method and system for determining position on a moving platform, such as a ship, using signals from GPS satellites
10/20/1987US4701934 Method of doppler searching in a digital GPS receiver
09/1987
09/24/1987WO1987005705A1 Null processing receiver apparatus and method
09/16/1987EP0237223A1 Passive ranging method and apparatus
09/09/1987EP0235285A1 Apparatus for and method of doppler searching in a digital gps receiver
09/08/1987US4692869 Aircraft navigational systems and methods for creating navigational guidepoints
09/01/1987CA1226355A1 Method and system for determining position using signals from satellites
08/1987
08/25/1987US4689626 Digital circuit for correcting phase shift of digital signal
07/1987
07/29/1987EP0230130A1 Global position system receiver
06/1987
06/23/1987US4675816 Electronic method of locating a football
06/23/1987CA1223356A1 Vehicle navigational system and method
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