| 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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| 01/09/2003 | WO2003003615A1 Methods for determining times and changes of times of transmission, radio communications system and processor |
| 01/09/2003 | WO2002050561A9 Gps receiver tracking system |
| 01/09/2003 | WO2002046788A3 Method and apparatus for determining an error estimate in a hybrid position determination system |
| 01/09/2003 | US20030008667 System and method for a GPS enabled antenna |
| 01/09/2003 | US20030008660 System and method for a GPS enabled antenna |
| 01/09/2003 | US20030008622 System and method for the detection and compensation of radio signal time of arrival errors |
| 01/09/2003 | US20030008619 Location-based information service for identifying areas with degraded radio signal strength |
| 01/09/2003 | US20030006935 Local wireless digital tracking network |
| 01/09/2003 | US20030006930 Altitude estimation system and method |
| 01/08/2003 | EP1274150A1 Wrist-watch with antenna |
| 01/08/2003 | EP1273070A1 Microwave antenna for use in a vehicle |
| 01/08/2003 | EP1272869A2 Method and apparatus for using assistance data relating to satellite positioning systems |
| 01/08/2003 | EP1272868A1 Temporal and spectral spread submarine locator transmitter, and method and installation using same |
| 01/08/2003 | EP0958530B1 Method and apparatus for satellite positioning system based time measurement |
| 01/08/2003 | CN1389741A Method for improving signal catching in global positioning system receiver |
| 01/08/2003 | CN1389710A Multiple-sensor and multiple-object information fusing method |
| 01/07/2003 | US6505122 Method and apparatus for providing accurate position estimates in instances of severe dilution of precision |
| 01/07/2003 | US6504794 Tracking, safety and navigation system for firefighters |
| 01/07/2003 | US6504610 Method and system for positioning an autonomous mobile unit for docking |
| 01/07/2003 | US6504503 Peer-to-peer global positioning system |
| 01/03/2003 | WO2003001699A1 System and method for the detection and compensation of radio signal time of arrival errors |
| 01/03/2003 | WO2003001698A1 Spectrum spreading signal demodulation method and apparatus |
| 01/03/2003 | WO2003001400A2 Synthesizing coherent correlation sums at one or multiple carrier frequencies using correlation sums calculated at a coarse set of frequencies |
| 01/03/2003 | WO2003001236A2 Method and apparatus for providing accurate position estimates in instances of severe dilution of precision |
| 01/03/2003 | WO2003001235A2 Determining location information from sampled positioning signals |
| 01/03/2003 | WO2003001234A2 Extracting fine-tuned estimates from correlation functions evaluated at a limited number of values |
| 01/03/2003 | WO2003001232A2 Location-determination method and apparatus |
| 01/03/2003 | WO2003001230A2 Signal acquisition using data bit information |
| 01/03/2003 | WO2003001229A2 Determining the spatio-temporal and kinematic parameters of a signal receiver and its clock by combination of different information. |
| 01/03/2003 | CA2450308A1 System and method for the detection and compensation of radio signal time of arrival errors |
| 01/02/2003 | US20030004640 Method and apparatus for providing accurate position estimates in instances of severe dilution of precision |
| 01/02/2003 | US20030004639 Positioning equipment |
| 01/02/2003 | US20030002564 Method for controlling the operation of a positioning receiver, and an electronic device |
| 01/02/2003 | US20030001732 Travel road detector |
| 01/02/2003 | EP1271178A2 Positioning system for digital telephone networks |
| 01/02/2003 | EP1271102A2 Spread spectrum receiver with multi-bit correlator |
| 01/02/2003 | EP1269216A2 Enhanced gps receiver utilizing wireless infrastructure |
| 01/02/2003 | EP1269215A2 Accurate gps time estimate based on information from a wireless communications system |
| 01/02/2003 | DE20214382U1 Global Positioning System module is included on standard size chip card incorporating antenna, memory module and central control module |
| 12/31/2002 | US6501543 Apparatus and method for determining position |
| 12/31/2002 | US6501429 Portable information processing apparatus |
| 12/31/2002 | US6501424 Use of GPS correction data on trans-oceanic routes |
| 12/31/2002 | US6501420 Mobile cellular telephone comprising a GPS receiver |
| 12/31/2002 | US6501393 System and method for using impulse radio technology to track and monitor vehicles |
| 12/31/2002 | US6501340 Oscillator with frequency stabilizing circuit and method of constructing same |
| 12/29/2002 | CA2351926A1 Miniaturized locating apparatus |
| 12/27/2002 | WO2002103383A2 Method and apparatus for distributing satellite tracking information |
| 12/27/2002 | WO2002103381A2 Method and apparatus for creating and distributing satellite orbit and clock data |
| 12/27/2002 | WO2002059638A3 Position determination in a wireless communication system with detection and compensation for repeaters |
| 12/27/2002 | WO2002052871A3 Position updating method for a mobile terminal equipped with a positioning receiver |
| 12/26/2002 | US20020199196 Position location using global positioning signals augmented by broadcast television signals |
| 12/26/2002 | US20020198656 Inertial GPS navigation system |
| 12/26/2002 | US20020198632 Method and arrangement for communicating between vehicles |
| 12/26/2002 | US20020198001 Method and apparatus for an independent positioning system and augmentation of GPS |
| 12/26/2002 | US20020197963 Data communications system including a local beacon |
| 12/26/2002 | US20020196180 GPS for high altitude satellites |
| 12/25/2002 | CN1097364C Management of status/alarm message of GPS receiver and broadcasting system time |
| 12/24/2002 | US6498585 Method and apparatus for rapidly estimating the doppler-error and other receiver frequency errors of global positioning system satellite signals weakened by obstructions in the signal path |
| 12/24/2002 | US6498584 GPS receiver and method thereof |
| 12/19/2002 | WO2002101408A1 System and method for monitoring and displaying athlete characteristics |
| 12/19/2002 | WO2002086534A3 System and method for providing worldwide seamless location coverage |
| 12/19/2002 | US20020190898 Method and apparatus for creating and distributing satellite orbit and clock data |
| 12/19/2002 | US20020190896 GPS-based positioning system for mobile GPS terminals |
| 12/19/2002 | DE10126947A1 Drahtlos arbeitendes Daten-Übertragungssystem mit einer lokalen Sende-/Empfangseinrichtung (Bake) Wireless data transmission system working with a local transmitting / receiving device (beacon) |
| 12/18/2002 | EP1267498A1 A method and apparatus for controlling the operation of a positioning receiver |
| 12/18/2002 | EP1267175A2 Location determination using location data items received by short-range communication |
| 12/18/2002 | EP1023612B1 Reduced global positioning system receiver code shift search space for a cellular telephone system |
| 12/18/2002 | EP0951697B1 Method and system for motion analysis |
| 12/18/2002 | EP0855041B1 A gps receiver and method for processing gps signals |
| 12/18/2002 | CN1096754C Information transmission facilities and method using radiating guide system |
| 12/18/2002 | CN1096611C Dual-frequency global positioning system |
| 12/17/2002 | US6496533 Receiver having a memory search for fast acquisition of a spread spectrum signal |
| 12/17/2002 | US6496145 Signal detector employing coherent integration |
| 12/12/2002 | WO2002099454A2 Method and apparatus for generating and distributing satellite tracking information |
| 12/12/2002 | WO2002099453A2 An inertial/gps navigation system |
| 12/12/2002 | US20020188403 Method and apparatus for generating and distributing satellite tracking information |
| 12/12/2002 | US20020188386 GPS based terrain referenced navigation system |
| 12/12/2002 | US20020186794 Radiofrequency signal receiver with means for correcting the effects of multipath signals, and method for activating the receiver |
| 12/12/2002 | US20020186167 Automatic synchronous tuning of narrowband receivers of a wireless location system for voice/traffic channel tracking |
| 12/12/2002 | US20020186166 Location determination using location data items received by short-range communication |
| 12/12/2002 | US20020186150 System and method for detecting interference in global positioning satellite signals |
| 12/11/2002 | EP1265371A1 Radio receiver with means for correcting multipath effects and method |
| 12/11/2002 | EP1264195A1 Telematics method for helicopters |
| 12/11/2002 | EP1025453B1 Positioning system for digital telephone networks |
| 12/11/2002 | CN1384369A RF signal receiver with device to improve receiving dynamic state of signal |
| 12/10/2002 | US6493378 Methods and apparatuses for reducing multipath errors in the demodulation of pseudo-random coded signals |
| 12/10/2002 | US6492944 Internal calibration method for receiver system of a wireless location system |
| 12/08/2002 | CA2387891A1 Radiofrequency signal receiver with means for correcting the effects of multipath signals, and method for activating the receiver |
| 12/05/2002 | WO2002077661A3 Reduced acquisition time for gps cold and warm starts |
| 12/05/2002 | WO2002069301A3 Road safety system |
| 12/05/2002 | WO2001035054A9 Methods and appparatus for measuring orientation and distance |
| 12/05/2002 | US20020183925 Positioning apparatus and method |
| 12/05/2002 | US20020183076 Multi-mode global positioning system for use with wireless networks |
| 12/05/2002 | US20020183070 Method and system for GPS bit-edge synchronization in the presence of burst-mode interference |
| 12/05/2002 | US20020181721 Sound source probing system |
| 12/04/2002 | EP1263150A2 Data transmission system with a local beacon |
| 12/04/2002 | EP1262791A2 Receiver and its method of synchronisation |
| 12/04/2002 | EP1262790A2 Method and apparatus for determining time for GPS receivers |
| 12/04/2002 | EP1057041B1 Stand alone global positioning system (gps) and method with high sensitivity |
| 12/04/2002 | CN2524455Y Multifunctional alarm and communication devices |