| 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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| 05/25/2000 | WO2000029868A1 Wireless user position update using infrastructure measurements |
| 05/25/2000 | WO2000029866A1 Method and device for discovering and localizing undesirable radio emissions |
| 05/23/2000 | US6067503 Method and apparatus for compensating unexpected frequency shifts in positioning receivers |
| 05/23/2000 | US6067328 High precision hardware carrier frequency and phase aiding in a GPS receiver |
| 05/23/2000 | US6067046 Handheld surveying device and method |
| 05/23/2000 | US6067045 Communication network initialization apparatus and method for fast GPS-based positioning |
| 05/23/2000 | US6067044 Remote tracking and sensing system and method |
| 05/18/2000 | WO2000028346A1 Digital correlator for a receptor of signals from satellite radio-navigation systems |
| 05/18/2000 | WO2000011491A3 Split c/a code receiver |
| 05/18/2000 | WO2000010026A3 Object location system |
| 05/17/2000 | EP1000320A1 Portable navigation apparatus and navigation method for sportsman |
| 05/16/2000 | US6064942 Enhanced precision forward observation system and method |
| 05/16/2000 | US6064339 Subspace signature matching for location ambiguity resolution in wireless communication systems |
| 05/16/2000 | US6064336 GPS receiver utilizing a communication link |
| 05/10/2000 | EP0870203B1 Position location system and method |
| 05/10/2000 | EP0731922B1 A radar network for scanning the sky in a weather system |
| 05/09/2000 | US6061390 P-code enhanced method for processing encrypted GPS signals without knowledge of the encryption code |
| 05/09/2000 | US6061021 Locatable mobile cellular telephony terminal |
| 05/09/2000 | US6061018 Method and system for using altitude information in a satellite positioning system |
| 05/09/2000 | CA2030948C Receiver architecture for use with a global positioning system |
| 05/04/2000 | DE19842712C1 Correlation error correction procedure for signal demodulator, involves computing difference between primary and secondary phase values of spreading signals, to compute phase value of local signal |
| 05/03/2000 | EP0904551B1 Spoofing detection system for a satellite positioning system |
| 05/03/2000 | CN1251902A Antitheft system with satellite location and monitor over public telecommunication network |
| 05/02/2000 | US6058338 Method and apparatus for efficient GPS assistance in a communication system |
| 05/02/2000 | US6057800 RDOP surface for GPS relative positioning |
| 05/02/2000 | CA2036124C Hydroacoustic ranging system |
| 04/27/2000 | WO2000023816A1 On-board beacon in particular for managing vehicle fleets |
| 04/27/2000 | WO2000023813A1 Improvements in and relating to emitters |
| 04/27/2000 | DE19848801A1 Crash-activated ocean buoyant flight data recorder with integrated automatic emergency call and position transmitter has conventional recorder with transmitter within protected case |
| 04/27/2000 | DE19848192A1 Vehicle navigation device has computer and navigation unit installed as a device unit in vehicle which is capable of correspondence with portable screen attached to GPS receiver and GSM interface of further vehicle |
| 04/26/2000 | EP0996047A1 Integrated vehicle positioning and navigation system, apparatus and method |
| 04/26/2000 | EP0895601A4 Improved real-time clock apparatus for fast acquisition of gps signals |
| 04/26/2000 | CN2375969Y Lost article looking for instrument |
| 04/25/2000 | US6055477 Use of an altitude sensor to augment availability of GPS location fixes |
| 04/25/2000 | US6055265 Apparatus for receiving GPS signals by utilizing non-coherent DLL |
| 04/25/2000 | US6054951 Multi-dimensional tracking sensor |
| 04/20/2000 | WO2000022452A1 Gyrocompassing by intermittent gps interferometry |
| 04/20/2000 | WO2000022380A1 Rotating head optical transmitter for position measurement system |
| 04/20/2000 | DE19945915A1 Map display device e.g. for hand-held map reader or for automobile onboard navigation device, uses detected geographic position for providing corresponding marking on displayed map with selection of map scale |
| 04/20/2000 | CA2314882A1 Rotating head optical transmitter for position measurement system |
| 04/18/2000 | US6052081 Method and apparatus for satellite positioning system based time measurement |
| 04/16/2000 | CA2280758A1 Wireless assisted gps using a reference location |
| 04/13/2000 | WO2000021223A2 Method and apparatus to communicate auxiliary and location information between cellular telephone network and global positioning system |
| 04/13/2000 | WO2000020882A1 Improved use of global positioning system in locating a radio transmitter |
| 04/12/2000 | EP0858606A4 Microwave energy implemented aircraft landing system |
| 04/12/2000 | CN1250582A Locating method and arrangement |
| 04/11/2000 | CA2025964C P-code-aided global positioning system receiver |
| 04/06/2000 | WO2000019569A1 Microchip laser with modulated pumping |
| 04/06/2000 | WO2000019231A1 Gps location for mobile phones using the internet |
| 04/06/2000 | WO2000019229A1 Method and device for reception processing of a gps satellite l2 signal |
| 04/06/2000 | DE19936846A1 Network-based wireless location method for cellular mobile telephones, involving calling cellular telephone, monitoring paging over control channel, and gathering and processing response via reverse control channel |
| 04/06/2000 | CA2312030A1 Method and device for reception processing of a gps satellite l2 signal |
| 04/04/2000 | US6047017 Spread spectrum receiver with multi-path cancellation |
| 03/30/2000 | WO2000017957A1 Device for satellite-aided surveying |
| 03/30/2000 | WO2000017668A2 Medium earth orbit augmentation of a global positioning system for global navigation |
| 03/28/2000 | US6044071 Signal structure for global positioning systems |
| 03/28/2000 | US6043793 GPS antenna cover |
| 03/23/2000 | WO2000016120A1 Device for receiving signals from satellite radio-navigation systems |
| 03/23/2000 | WO2000016119A1 Method for increasing interference immunity when receiving signals from satellite navigation systems and device for realising the same |
| 03/22/2000 | EP0987559A2 Direct sampling global positioning system (GPS) receiver |
| 03/22/2000 | EP0986764A2 Electronic navigation apparatus |
| 03/22/2000 | EP0986735A1 Portable navigation system comprising direction detector, position detector and database |
| 03/22/2000 | EP0986733A1 Robust accurate gps time reference for space application |
| 03/22/2000 | CN1248326A Determining angle of arrival of signal |
| 03/21/2000 | US6041280 GPS car navigation system |
| 03/21/2000 | US6041222 Systems and methods for sharing reference frequency signals within a wireless mobile terminal between a wireless transceiver and a global positioning system receiver |
| 03/21/2000 | US6040798 Satellite radiodetermination |
| 03/18/2000 | WO2000028677A1 Receiver for pseudo-noise signals from satellite radio-navigation systems |
| 03/16/2000 | WO2000014571A1 Data boundary aware base station assisted position location method |
| 03/16/2000 | WO2000014570A1 Call maintenance during position location |
| 03/16/2000 | WO2000014569A1 Position location in memory limited environment |
| 03/16/2000 | WO2000014568A1 Simplified receiver with rotator for performing position location |
| 03/16/2000 | WO2000014564A2 Movable subscriber device location using dual satellites |
| 03/16/2000 | WO2000014563A1 High resolution position location |
| 03/16/2000 | WO2000014562A1 Position location with a low tolerance oscillator |
| 03/16/2000 | WO2000014560A1 Method and apparatus for increasing the sensitivity of a global positioning satellite receiver |
| 03/16/2000 | WO2000014553A1 Accumulated phase measurement using open-loop phase estimation |
| 03/16/2000 | CA2342235A1 High resolution position location |
| 03/16/2000 | CA2339979A1 Simplified receiver with rotator for performing position location |
| 03/15/2000 | CN1247320A Method for measuring solar constant |
| 03/15/2000 | CA2282196A1 Direct sampling global positioning system (gps) receiver |
| 03/14/2000 | US6038510 Method for displaying current position of moving object in navigation device in accordance with position condition of moving object |
| 03/14/2000 | US6038248 Method and apparatus for receiving and converting spread spectrum signals |
| 03/14/2000 | US6037900 GPS receiver with extended security |
| 03/09/2000 | WO2000013034A1 System and method for power saving in a wireless telephone with a gps receiver |
| 03/08/2000 | EP0984295A1 Communication network initialization apparatus and method for fast GPS-based positioning |
| 03/08/2000 | CN1246934A Method and apparatus for satellite positioning system based time measurement |
| 03/07/2000 | US6034646 Information transmission device and method for systems using radiating waveguides |
| 03/02/2000 | WO2000011491A2 Split c/a code receiver |
| 03/01/2000 | EP0982601A1 Method and data receiver for receiving radio signals with correction data for a GPS |
| 03/01/2000 | EP0799427B1 A method for integrity monitoring in position determination |
| 02/29/2000 | US6031884 Carrier multipath estimation for weighted or modified tracking using weighted or modified correlations |
| 02/29/2000 | US6031881 Method for mitigating multipath effects in radio ranging systems |
| 02/29/2000 | US6031488 Method and system for an efficient low cost PPS GPS receiver |
| 02/24/2000 | WO2000010031A1 Method for improving signal acquisition in a global positioning system receiver |
| 02/24/2000 | WO2000010030A1 Fast acquisition, high sensitivity gps receiver |
| 02/24/2000 | WO2000010028A1 Method and system for aiding gps receivers via a cellular or pcs network |
| 02/24/2000 | WO2000010026A2 Object location system |
| 02/24/2000 | WO1999061933A3 Airborne gps guidance system for defeating multiple jammers |
| 02/24/2000 | WO1999057575A9 Method and system for using altitude information in a satellite positioning system |