Patents for G01S 19 - Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems (34,425)
06/1987
06/16/1987US4674051 Navigation point locating system
06/09/1987US4672629 Receiver for bandspread signals
06/09/1987US4672382 Position measuring system
05/1987
05/20/1987EP0222354A1 Direction-finding device
05/20/1987CN86105364A Apparatus for and method of doppler searching in a digital global positioning system navigation system
05/19/1987US4667203 Method and system for determining position using signals from satellites
05/12/1987US4665404 High frequency spread spectrum positioning system and method therefor
03/1987
03/24/1987US4652884 Satellite navigational system and method
03/17/1987US4651156 Integrated radio location and communication system
03/17/1987US4651154 Digital NAVSTAR receiver
03/12/1987WO1987001540A1 Apparatus for and method of doppler searching in a digital gps receiver
03/10/1987CA1219051A1 Position-fixing system
03/03/1987US4647926 Warning system for microwave landing system airborne receiver
02/1987
02/24/1987US4646096 Enhanced global positioning system Delta-Range processing
02/17/1987US4644358 Stem orientation measurement apparatus
02/03/1987US4641254 Test set for a navigational satellite receiver
01/1987
01/27/1987US4639680 Digital phase and frequency detector
12/1986
12/03/1986EP0203853A2 Satellite communication system and method with message authentication suitable for use in financial institutions
12/02/1986US4626861 Two angle range and altitude measurement system and methods
11/1986
11/11/1986US4622557 Transdigitizer for relaying signals from global positioning system (GPS) satellites
10/1986
10/29/1986EP0199448A2 Frequency and phase error determination apparatus
10/29/1986EP0199380A2 Aircraft navigational systems and methods for creating navigational guidepoints
10/01/1986EP0196179A2 Digital phase rotation of signals
09/1986
09/23/1986US4613977 Digital Navstar receiver
09/23/1986US4613864 Position-fixing system
09/16/1986CA1211546A1 Differential doppler receiver
08/1986
08/19/1986CA1210118A1 Receivers for navigation satellite systems
07/1986
07/15/1986US4601005 Receivers for navigation satellite systems
07/08/1986US4599620 Method for determining the orientation of a moving platform
07/08/1986US4599619 Satellite dual antenna pointing system
07/08/1986CA1207413A1 Calibration of a system having plural signal-carrying channels
07/02/1986EP0186198A2 System and method for deriving the position of a receiver from signals broadcast by satellites.
06/1986
06/17/1986CA1206236A1 Baseband radar docking system
06/17/1986CA1206202A1 Differential receiver
06/04/1986EP0182893A1 Vehicle navigational system and method
05/1986
05/13/1986US4589100 Method and apparatus for positioning seismic arrays
04/1986
04/24/1986WO1986002458A1 Enhanced global positioning system delta-range processing
04/22/1986US4584584 Method of measuring range and altitude
04/22/1986CA1203607A1 Distress radiolocation method and system
03/1986
03/25/1986US4578678 In a receiver for a navigation system
03/19/1986EP0174540A2 Satetellite-based position determination and message transfer system with monitoring of link quality
03/18/1986US4577194 Area navigational system
02/1986
02/19/1986EP0171751A2 Position determination and message transfer system employing satellites and stored terrain map
01/1986
01/29/1986EP0169520A2 Spread spectrum signal receiver
01/15/1986EP0167683A1 Position fixing system
01/08/1986EP0166911A2 Global positioning system course acquisition code receiver
01/07/1986CA1199096A1 Global positioning system receiver
01/03/1986WO1986000157A1 Vehicle navigational system and method
01/02/1986EP0166547A2 Vehicle navigational apparatus
01/02/1986EP0166300A2 Receiver for global positioning system and method for determining position of a stationary station using same
11/1985
11/26/1985CA1197315A1 Satellite dual antenna pointing system
10/1985
10/15/1985US4547778 Method and apparatus for automatic distress call signal transmission
09/1985
09/25/1985EP0155776A1 Digital navstar receiver
09/24/1985US4543580 System for lightning ground stroke position by time of arrival discrimination
07/1985
07/30/1985US4532637 Differential receiver
05/1985
05/28/1985US4520361 Calibration of a system having plural signal-carrying channels
04/1985
04/09/1985US4510496 Baseband radar docking system
02/1985
02/20/1985EP0133378A2 Distress radiolocation method and system
01/1985
01/15/1985US4494119 Distress radiolocation method and system
12/1984
12/05/1984EP0127337A2 Calibration of a system having plural signal-carrying channels
11/1984
11/27/1984US4485383 Global position system (GPS) multiplexed receiver
10/1984
10/16/1984CA1176357A1 Helmet metal mass compensation for helmet-mounted sighting system
09/1984
09/18/1984US4472720 For determining the position of a mobile craft
08/1984
08/28/1984US4468793 Global position system (GPS) multiplexed receiver
08/08/1984EP0115152A2 Doppler shift measurement receiver
08/08/1984EP0115151A2 Phase difference measurement receiver
08/01/1984EP0114627A2 Position determining system
07/1984
07/31/1984US4463357 Method and apparatus for calibrating the ionosphere and application to surveillance of geophysical events
06/1984
06/26/1984US4457006 For use in a navigation system
06/05/1984US4453165 Differential Doppler receiver
04/1984
04/24/1984US4445120 Altitude measuring system
04/24/1984US4445118 Navigation system and method
02/1984
02/21/1984US4433334 For determining the location and velocity of a target
11/1983
11/08/1983US4414632 Automatic monitoring system for radio signal
11/01/1983US4413322 Automatic waypoint area navigation system
11/01/1983CA1156339A1 Satellite-based vehicle position determining system
09/1983
09/14/1983EP0088502A1 Vehicle location systems
08/1983
08/30/1983US4402049 Hybrid velocity derived heading reference system
07/1983
07/26/1983US4394831 Helmet metal mass compensation for helmet-mounted sighting system
07/13/1983EP0083480A1 Receivers for navigation satellite systems
05/1983
05/31/1983US4386355 System for determining the location of an airborne vehicle to the earth using a satellite-base signal source
05/25/1983EP0079689A2 Global positioning system receiver
05/24/1983USRE31254 Self calibration of a LORAN-C navigation receiver
05/24/1983US4385301 Determining the location of emitters of electromagnetic radiation
05/17/1983US4384293 Apparatus and method for providing pointing information
03/1983
03/29/1983CA1143841A1 Microcomputer-controlled portable satellite signal simulator for exploration systems, and method of use
12/1982
12/14/1982US4363933 Automatic navigation station identifier and monitor
11/1982
11/23/1982US4360875 Automated, door-to-door, demand-responsive public transportation system
11/16/1982US4359733 Satellite-based vehicle position determining system
08/1982
08/25/1982EP0058412A2 Electromagnetic helmet orientation determining system
08/24/1982CA1130429A1 Receiver for satellite navigational positioning system
06/1982
06/08/1982CA1125418A1 Terrain clearance warning system for aircraft
04/1982
04/01/1982WO1982001076A1 Satellite-based vehicle position determining system
02/1982
02/16/1982US4315609 Target locating and missile guidance system
01/1982
01/19/1982US4311466 Automated aircraft radio navigation simulator
01/12/1982US4310884 Microcomputer-controlled portable satellite signal simulator for exploration systems, and method of use
12/1981
12/29/1981CA1115394A1 Radio determination using satellites transmitting timing signals with correction by active range measurement
12/29/1981CA1115393A1 Position surveillance using one active ranging satellite and time of arrival of a signal from an independent satellite
08/1981
08/11/1981US4283726 Dual frequency distance measuring system
06/1981
06/30/1981US4276553 Apparatus and method for determining the position of a radiant energy source