| 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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| 07/21/1999 | CN1223723A Spread spectrum receiver with multi-bit correlator |
| 07/20/1999 | US5926133 Differentially corrected position location system and method for mobile communication networks |
| 07/20/1999 | US5926132 GPS satellite drift monitor |
| 07/20/1999 | US5926131 GPS receiving apparatus |
| 07/15/1999 | WO1999035625A1 Improvements in and relating to emitters |
| 07/13/1999 | US5923703 Variable suppression of multipath signal effects |
| 07/13/1999 | US5923618 Leap-second cure for 1999 GPS rollover problem |
| 07/13/1999 | US5923287 Combined GPS/GLONASS satellite positioning system receiver |
| 07/13/1999 | US5923286 Method of determining the position of a vehicle |
| 07/08/1999 | WO1999034230A2 Improvements relating to position determinations |
| 07/06/1999 | US5920394 For directing a light beam onto an article |
| 07/06/1999 | US5920284 In a communications system |
| 07/06/1999 | US5920283 Receiver engine for global positioning system |
| 07/01/1999 | WO1999033302A2 Locating method and arrangement |
| 06/30/1999 | EP0925514A1 Receiver with improved multipath signal rejection |
| 06/29/1999 | US5918161 Method and apparatus for reducing multipath signal error using deconvolution |
| 06/29/1999 | US5917866 Code multipath estimation for weighted or modified tracking using weighted or modified correlations |
| 06/29/1999 | US5917449 Enhanced position calculation |
| 06/29/1999 | US5917445 GPS multipath detection method and system |
| 06/29/1999 | US5917444 Reduction of time to first fix in an SATPS receiver |
| 06/29/1999 | US5917430 Radar based highway safety warning system |
| 06/24/1999 | WO1999031812A1 Combined gps and wide bandwidth radiotelephone terminals and methods |
| 06/24/1999 | DE19756364A1 Monitoring localizer course system in aircraft landing system |
| 06/23/1999 | EP0924532A2 Method and apparatus for receiving GPS/GLONASS signals |
| 06/23/1999 | EP0924531A1 Procédé de traitement de signaux d'un système de positionnement par satellite |
| 06/22/1999 | US5914686 To determine location fix coordinates for a location determination station |
| 06/16/1999 | CN2324173Y Electric railroad overpass construction shockproof equipment |
| 06/15/1999 | US5913078 Camera utilizing a satellite positioning system |
| 06/09/1999 | EP0921409A1 Dual frequency GPS receiver, operating under encryption conditions |
| 06/09/1999 | EP0920642A1 3d ultrasound recording device |
| 06/09/1999 | EP0920638A1 Process for initializing a receiver for determining position and corresponding receiver |
| 06/09/1999 | CN1219050A Dual-frequency GPS receiver, operating under all conditions in presence of encryption |
| 06/08/1999 | US5910789 Method for integrity monitoring in position determination |
| 06/08/1999 | US5910788 Satellite positioning system |
| 06/03/1999 | WO1999027660A1 Low-power satellite-based geopositioning system |
| 06/02/1999 | EP0919827A2 Method of automatically determining the position of vehicles |
| 06/02/1999 | EP0748453A4 Method and apparatus for message display on a golf course |
| 06/01/1999 | US5909381 System of on board prediction of trajectories for autonomous navigation of GPS satellites |
| 05/27/1999 | WO1999026370A2 Fast acquisitions of direct sequence spread spectrum signals |
| 05/26/1999 | EP0917655A1 Enhanced time of arrival method |
| 05/26/1999 | CA2252158A1 A method of automatically determining the position of vehicles |
| 05/25/1999 | US5907578 Weighted carrier phase multipath reduction |
| 05/25/1999 | US5907395 Optical fiber probe for position measurement |
| 05/25/1999 | US5907242 Balanced passive bandpass filter and preamplifier for a receiver |
| 05/25/1999 | US5906655 Method for monitoring integrity of an integrated GPS and INU system |
| 05/20/1999 | WO1999024846A1 Method and device for determining measuring periods for satellite measurement of points at least partially surrounded by visual obstacles |
| 05/18/1999 | US5905461 For locating a person |
| 05/18/1999 | US5905460 Wrist watch type GPS receiver |
| 05/14/1999 | WO1999023543A1 Method and device for locating and guiding a mobile unit equipped with a linear camera |
| 05/14/1999 | WO1999023505A1 Method for determining the attitude of a vehicle using gps signals |
| 05/12/1999 | EP0915321A2 System for detecting an altitude of a vehicle dependent on a global positioning system |
| 05/12/1999 | EP0914641A1 A method and apparatus for generating an indication of loss of positioning integrity in emergency call systems |
| 05/12/1999 | EP0914619A1 Differential ground station repeater |
| 05/12/1999 | EP0914618A1 Integrity monitoring method and apparatus for gps and dgps receivers |
| 05/11/1999 | US5903654 Method and apparatus for eliminating ionospheric delay error in global positioning system signals |
| 05/11/1999 | US5903597 Suppression on multipath signal effects |
| 05/11/1999 | US5903235 Handheld surveying device and method |
| 05/06/1999 | EP0913702A1 Navigation receiver, in particular of GPS type |
| 05/06/1999 | EP0912947A1 Low power parallel correlator for measuring correlation between digital signal segments |
| 05/06/1999 | CA2215011A1 Ice-hockey-puck scoring system (ihpss) |
| 05/04/1999 | US5901183 Signal correlation technique for a receiver of a spread spectrum signal including a pseudo-random noise code that reduces errors when a multipath signal is present |
| 05/04/1999 | US5901171 Triple multiplexing spread spectrum receiver |
| 04/29/1999 | WO1999021028A1 Positioning system for digital telephone networks |
| 04/28/1999 | EP0910903A1 Pre-acquisition frequency offset removal in a gps receiver |
| 04/28/1999 | EP0910902A1 Method for efficient sampling in a correlator |
| 04/28/1999 | EP0910901A1 Method for doppler-replica harmonic avoidance in a gps receiver |
| 04/28/1999 | EP0910805A1 Power efficient receiver |
| 04/28/1999 | CN1215474A Method and apparatus for covariance matrix estimation in a weighted least-squares location solution |
| 04/27/1999 | US5897605 Spread spectrum receiver with fast signal reacquisition |
| 04/22/1999 | WO1999019743A1 Reduced global positioning system receiver code shift search space for a cellular telephone system |
| 04/22/1999 | WO1999019742A1 Monitoring method and apparatus |
| 04/22/1999 | CA2303074A1 Monitoring method and apparatus |
| 04/21/1999 | EP0847537B1 System for determining the location of mobile objects |
| 04/21/1999 | CN2315576Y Microwave radiometer with internal thermostat |
| 04/20/1999 | US5896304 Low power parallel correlator for measuring correlation between digital signal segments |
| 04/15/1999 | WO1999018677A1 Gps augmentation system |
| 04/14/1999 | EP0908022A2 Method and apparatus for precision geolocation |
| 04/14/1999 | EP0907894A2 Fault detection and exclusion used in a global positioning system (gps) receiver |
| 04/08/1999 | WO1998010307A8 Location of a mobile station |
| 04/06/1999 | US5893044 Real time clock apparatus for fast acquisition or GPS signals |
| 04/02/1999 | CA2249033A1 Complete radio navigation receiver, particularly of the gps type |
| 03/31/1999 | EP0904551A1 Spoofing detection system for a satellite positioning system |
| 03/31/1999 | EP0839324B1 System and method for measuring the total electron content of the ionosphere |
| 03/30/1999 | US5889492 Method and apparatus for an acquisition-aided Geo-locating subscriber unit |
| 03/25/1999 | WO1999014617A2 Improved signal structure for global positioning systems |
| 03/24/1999 | EP0903015A1 Method of transmitting and receiving data, system and receiver therefor |
| 03/24/1999 | EP0902899A1 Satellite signal receiver with position extrapolation filter |
| 03/24/1999 | EP0902898A1 Satellite signal receiver with integrity control and exclusion of defective axes |
| 03/24/1999 | EP0902897A1 Satellite signal receiver with speed computing integrity control |
| 03/23/1999 | US5886666 Airborne pseudolite navigation system |
| 03/23/1999 | US5886626 System and method for performing jamming testing on communication networks |
| 03/18/1999 | WO1999013595A1 Systems and methods for sharing reference frequency signals within a wireless mobile terminal between a wireless transceiver and a global positioning system receiver |
| 03/17/1999 | EP0902554A2 An auxiliary system for assisting a wireless terminal in determining its position from signals transmitted from a navigation satellite |
| 03/17/1999 | EP0902300A2 Telecommunications-assisted satellite positioning system |
| 03/17/1999 | CN1211377A Method and arrangement for determining position of a mobile radio terminal |
| 03/17/1999 | CN1211324A GPS receiver and method for processing GPS signals |
| 03/17/1999 | CN1210984A Method and system for satillite real-time positioning, particular improvement of global positioning system |
| 03/16/1999 | US5884220 Method and apparatus to improve overall performance of a DGPS receiver |
| 03/16/1999 | US5884219 Moving map navigation system |
| 03/16/1999 | US5884215 Method and apparatus for covariance matrix estimation in a weighted least-squares location solution |