| Patents for G01S 1 - Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith (15,825) |
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| 04/17/1997 | WO1997014057A1 A gps receiver and method for processing gps signals |
| 04/17/1997 | WO1997014056A1 Combined gps positioning system and communications system utilizing shared circuitry |
| 04/17/1997 | WO1997014055A1 Method and apparatus for determining the location of an object which may have an obstructed view of the sky |
| 04/17/1997 | WO1997014054A1 Client-server-based remote locator device |
| 04/17/1997 | WO1997014053A1 Improved gps receivers and garments containing gps receivers and methods for using these gps receivers |
| 04/17/1997 | WO1997014052A1 Dual frequency global positioning system |
| 04/17/1997 | WO1997014049A2 Gps receiver and method for processing gps signals |
| 04/17/1997 | CA2667775A1 Gps receiver and method for processing gps signals |
| 04/15/1997 | US5621730 Multiple user digital receiver apparatus and method with time division multiplexing |
| 04/15/1997 | US5621646 Wide area differential GPS reference system and method |
| 04/15/1997 | US5621417 Method and mechanism for reduction of within-train reported data |
| 04/15/1997 | US5621416 Optimized processing of signals for enhanced cross-correlation in a satellite positioning system receiver |
| 04/09/1997 | EP0767388A1 Wideband receiver for measuring range using pseudo random signals |
| 04/08/1997 | US5619212 Method of determining position information from orbiting satellites |
| 04/02/1997 | EP0766097A1 GPS overlay system for a geostationary satellite |
| 04/02/1997 | EP0766096A2 Rescue aiding apparatus and search system |
| 03/27/1997 | WO1997011385A1 Atomic clock augmented global positioning system receivers and global positioning system incorporating same |
| 03/27/1997 | WO1997011384A1 Position determining system |
| 03/27/1997 | WO1997011383A1 Locating the source of an unknown signal |
| 03/27/1997 | CA2230982A1 Position determining system |
| 03/26/1997 | EP0764854A1 Method for determining the position of an emitter-receiver for data packets and emitter-receiver using the method |
| 03/25/1997 | US5615236 Method and apparatus for direct re-acquisition of precision-code after a short power interruption |
| 03/25/1997 | US5615232 Method of estimating a line of sight signal propagation time using a reduced-multipath correlation function |
| 03/25/1997 | US5615116 Apparatus and method for autonomous vehicle navigation using path data |
| 03/20/1997 | CA2185853A1 Method for the localizing of a transceiver of data packets |
| 03/19/1997 | EP0763285A1 Global positioning system (gps) receiver for recovery and tracking of signals modulated with p-code |
| 03/18/1997 | US5612883 System and method for detecting obstacles in the path of a vehicle |
| 03/13/1997 | WO1997009635A1 System for determining the location of mobile objects |
| 03/12/1997 | EP0762654A1 Method and apparatus for accurate frequency synthesis using global positioning system timing information |
| 03/12/1997 | CN1145118A Air traffic surveillance and communication system |
| 03/11/1997 | US5610984 Optimal L2 tracking in a SPS receiver under encryption without knowledge of encryption timing characteristics |
| 03/11/1997 | US5610815 Integrated vehicle positioning and navigation system, apparatus and method |
| 03/06/1997 | WO1997008840A2 Common transmit module for a programmable digital radio |
| 03/06/1997 | WO1997008565A1 Highway safety method and apparatus |
| 03/06/1997 | DE19538876A1 System zur Lagebestimmung von beweglichen Objekten System for determining the position of moving objects, |
| 03/06/1997 | CA2230869A1 Highway safety method and apparatus |
| 03/06/1997 | CA2230553A1 Common transmit module for a programmable digital radio |
| 03/04/1997 | US5608412 Protocol and mechanism for mutter mode communication for stationary master tracking unit |
| 03/04/1997 | US5608410 System for locating a source of bursty transmissions cross reference to related applications |
| 02/25/1997 | US5606736 Heterodyne radio receiver with plural variable frequency local oscillator signals |
| 02/20/1997 | WO1997006447A1 Short range radio locator system |
| 02/20/1997 | WO1997006446A2 Multipath error reduction in a spread spectrum receiver for ranging applications |
| 02/20/1997 | CA2229069A1 Multipath error reduction in a spread spectrum receiver for ranging applications |
| 02/19/1997 | EP0513346B1 Solid state current controlled interruption system |
| 02/18/1997 | US5604765 Position enhanced communication system including system for embedding CDMA navigation beacons under the communications signals of a wireless communication system |
| 02/18/1997 | US5604493 Security system transmitter with opposed concave actuators |
| 02/12/1997 | EP0757864A1 Stock locator system using gps translator |
| 02/11/1997 | US5602903 Positioning system and method |
| 02/06/1997 | WO1997004322A1 System and method for measuring the total electron content of the ionosphere |
| 02/06/1997 | WO1996042020A3 Enhanced position calculation |
| 02/06/1997 | CA2227226A1 System and method for measuring the total electron content of the ionosphere |
| 02/04/1997 | US5600670 Dynamic channel allocation for GPS receivers |
| 02/04/1997 | US5600436 Apparatus and system for determining terrestrial position |
| 02/04/1997 | US5600329 Differential satellite positioning system ground station with integrity monitoring |
| 02/04/1997 | US5600328 Demodulator circuit in global positioning system receiver |
| 01/29/1997 | CN1141437A Codeless GPS positioning method and apparatus for such codeless positioning |
| 01/28/1997 | US5598166 Mobile object positioning system |
| 01/23/1997 | WO1997002495A1 Differential satellite positioning system ground station with integrity monitoring |
| 01/22/1997 | CN1140841A Delay locked for use in GPS signal receiver |
| 01/21/1997 | US5596330 Differential ranging for a frequency-hopped remote position determination system |
| 01/15/1997 | EP0753159A1 Vehicle-mounted transponder |
| 01/14/1997 | US5594453 GPS receiver having a rapid acquisition of GPS satellite signals |
| 01/14/1997 | US5594452 Method and system for locating an unknown transmitter using calibrated oscillator phases |
| 01/07/1997 | US5592180 Direction finding and mobile location system for trunked mobile radio systems |
| 01/07/1997 | US5592174 GPS multi-path signal reception |
| 01/07/1997 | US5592173 GPS receiver having a low power standby mode |
| 01/07/1997 | US5592131 System and method for modulating a carrier frequency |
| 12/31/1996 | US5589838 Short range radio locator system |
| 12/31/1996 | US5589836 Method for selecting signals from navigation satellites |
| 12/31/1996 | CA2041459C Receiver of an electromagnetic signal with a known nominal frequency, liable to be affected by an unknown variation, in particular by the doppler shift |
| 12/27/1996 | WO1996042020A2 Enhanced position calculation |
| 12/24/1996 | US5588038 System for remotely stopping a vehicle theft |
| 12/24/1996 | US5587904 Air combat monitoring system and methods and apparatus useful therefor |
| 12/18/1996 | EP0748453A1 Method and apparatus for message display on a golf course |
| 12/17/1996 | US5585800 Location-corrector for removing sun-induced effects in the global positioning system |
| 12/12/1996 | WO1996039612A1 Light beam range finder |
| 12/11/1996 | EP0748082A1 Protocol and mechanism for mutter mode communication for stationary master tracking unit |
| 12/11/1996 | EP0747726A2 Method and mechanism for reduction of within-train reported data |
| 12/11/1996 | EP0747721A1 Method and device for precisely determining an electromagnetically shielded point by position measuring with satellites |
| 12/11/1996 | CN1033549C Gps导航仪 Gps navigation |
| 12/10/1996 | US5583774 Assured-integrity monitored-extrapolation navigation apparatus |
| 12/10/1996 | US5583517 Multi-path resistant frequency-hopped spread spectrum mobile location system |
| 12/10/1996 | US5583513 System and method for generating precise code based and carrier phase position determinations |
| 12/05/1996 | WO1996038831A1 System for enhancing navigation and surveillance in low visibility conditions |
| 12/05/1996 | DE19621225A1 Leistungsreduziertes GPS-gestütztes System zum Verfolgen mehrerer Objekte von einem zentralen Ort Reduced power GPS-based system for tracking multiple objects from a central location |
| 12/04/1996 | EP0745827A1 Method for determining the position and the orientation of a movable object, especially the line-of-sight of a helmet-mounted visor |
| 12/03/1996 | US5581259 For determining location coordinates of a user on a two-dimensional surface |
| 12/03/1996 | CA2089662C Spatial positioning system |
| 12/02/1996 | CA2177673A1 Process for determining position and orientation of a mobile system, particularly of the sightline in a helmet sight |
| 11/28/1996 | WO1996037789A1 Mitigation of multipath effects in global positioning system receivers |
| 11/26/1996 | US5579014 Parallel correlator for global positioning system receiver |
| 11/26/1996 | CA1338747C Automatic landing and navigation system |
| 11/21/1996 | WO1996030771A3 Narrow field electromagnetic sensor system and method |
| 11/21/1996 | DE19611879A1 Bandpaßfilter für Vorverstärker Bandpass filter for preamplifier |
| 11/20/1996 | EP0742909A1 Air traffic surveillance and communication system |
| 11/20/1996 | EP0513349B1 Method and device for radio-navigational determinations using artificial earth-satellites |
| 11/19/1996 | US5576715 Method and apparatus for digital processing in a global positioning system receiver |
| 11/19/1996 | US5576627 Narrow field electromagnetic sensor system and method |
| 11/14/1996 | DE19516810A1 Emergency signal transmitter to emergency signal receiver |
| 11/12/1996 | US5574648 Airport control/management system using GNSS-based methods and equipment for the control of surface and airborne traffic |