| 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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| 10/11/2001 | WO2001076285A1 Providing time synchronization to a gps locator |
| 10/11/2001 | WO2001076093A1 Modified transmission method for improving accuracy for e-911 calls |
| 10/11/2001 | WO2001075473A2 Enhanced gps receiver utilizing wireless infrastructure |
| 10/11/2001 | WO2001075470A1 Determining time in a gps receiver |
| 10/11/2001 | WO2001057549A8 Multi-frequency pseudolites for carrier-based differential-position determination |
| 10/11/2001 | US20010029588 Portable information processing apparatus |
| 10/11/2001 | US20010029431 GPS receiver having DR sensor signal sampling function |
| 10/11/2001 | US20010028322 Global positioning method, terminal, and system |
| 10/11/2001 | US20010028321 GPS receiver utilizing a communication link |
| 10/11/2001 | DE10016178A1 Position determination method for vehicle mounted navigation system, involves correlating determined position with known area when shadowing radio signals by obstruction is detected |
| 10/10/2001 | EP1143652A2 Apparatus and method for reducing multipath components associated with a received CDMA signal, in particular for GPS receivers |
| 10/10/2001 | EP1143264A2 GPS receiver having DR sensor signal sampling function |
| 10/10/2001 | EP1143262A2 Location determination using weighted ridge regression |
| 10/10/2001 | EP1142102A1 Sequential-acquisition, multi-band, multi-channel, matched filter |
| 10/10/2001 | EP1141741A1 A self-calibrating reference terminal |
| 10/10/2001 | CN1317095A Position location in memory limited environmentent |
| 10/10/2001 | CN1317094A Simplified receiver with rotator for performing position location |
| 10/10/2001 | CN1317093A Data boundary aware base station assisted location method |
| 10/10/2001 | CN1317092A Call maintenance dusing location |
| 10/10/2001 | CN1317091A High resolution location |
| 10/10/2001 | CN1317090A Location with low tolerance oscillator |
| 10/10/2001 | CN1316652A Help request treatment system for location of requestor using GPS data |
| 10/10/2001 | CN1072871C Apparatus and method for providing synchornization of base-stations in a communication system |
| 10/09/2001 | US6301545 Global positioning system tag system |
| 10/09/2001 | US6300899 Fixed site data-aided GPS signal acquisition method and system |
| 10/09/2001 | US6300898 Airborne GPS guidance system for defeating multiple jammers |
| 10/04/2001 | WO2001073890A1 Microwave antenna for use in a vehicle |
| 10/04/2001 | WO2001073467A2 Accurate gps time estimate based on information from a wireless communications system |
| 10/04/2001 | WO2001073466A1 Personal locatiom detection system |
| 10/04/2001 | US20010026240 Personal location detection system |
| 10/04/2001 | US20010026239 Method and apparatus for generating a time signal |
| 10/04/2001 | EP1139115A1 Method and system for correcting QDM variations of a navigation system |
| 10/04/2001 | CA2401740A1 Microwave antenna for use in a vehicle |
| 10/03/2001 | CN1316057A Method and apparatus for signal processing in satellite positioning system |
| 10/02/2001 | US6298316 Failure detection system |
| 10/02/2001 | US6298229 GPS receiver for emergency location reporting during intermittent shadowing |
| 10/02/2001 | US6298083 Power savings technique for a positioning system receiver |
| 10/02/2001 | US6297781 Rearview mirror with integrated microwave receiver |
| 10/02/2001 | US6297771 Signal detector employing coherent integration |
| 10/02/2001 | US6297770 Global positioning system and global positioning method with improved sensitivity by detecting navigation data inversion boundaries |
| 10/02/2001 | US6297769 System and method to estimate carrier signal in global positioning systems (GPS) |
| 09/30/2001 | CA2342710A1 Process and device for correcting the variation in qd of a navigation system |
| 09/30/2001 | CA2337300A1 Location determination using weighted ridge regression |
| 09/27/2001 | WO2001071432A1 A tracking, safety and navigation system for firefighters |
| 09/27/2001 | WO2001071375A2 Methods and apparatuses for using assistance data relating to satellite position systems |
| 09/27/2001 | US20010024949 Jacket with multiband transmitter-receiver function and system using the same |
| 09/27/2001 | US20010024172 GPS receiver capable of calculating accurate 2DRMS |
| 09/26/2001 | EP1136838A2 GPS receiver capable of calculating accurate 2DRMS |
| 09/26/2001 | EP1136837A1 Positioning system for a mobile unit |
| 09/26/2001 | CN1315004A System and method for power saving in a wireless telephone with GPS receiver |
| 09/26/2001 | CN1071892C Method for displaying current position of moving object in navigation device in accordance with position codition of moving object |
| 09/25/2001 | US6295024 Autonomous data aided GPS signal acquisition method and system |
| 09/25/2001 | US6295023 Methods, mobile stations and systems for acquiring global positioning system timing information |
| 09/25/2001 | US6295022 Apparatus and method for determination of a receiver position |
| 09/25/2001 | US6295021 Techniques for monitoring and controlling yaw attitude of a GPS satellite |
| 09/20/2001 | WO2001069280A1 Temporal and spectral spread submarine locator transmitter, and method and installation using same |
| 09/20/2001 | US20010022558 Wireless location using signal fingerprinting |
| 09/19/2001 | EP0868686B1 Method for the real-time determination of a time delay between stations in a radiolocation/radionavigation system |
| 09/18/2001 | US6292749 GPS receiver with cross-track hold |
| 09/18/2001 | US6292748 Reduction of time error in GPS localization without a highly accurate clock |
| 09/18/2001 | US6292744 Infrared beacon positioning system |
| 09/18/2001 | US6292132 System and method for improved accuracy in locating and maintaining positions using GPS |
| 09/13/2001 | WO2001018765A3 Positioning system and method for determining a position |
| 09/13/2001 | US20010020917 Radio transceiver and method of controlling direction of radio-wave emission |
| 09/13/2001 | US20010020913 GPS receiver and GPS position measurement method |
| 09/13/2001 | US20010020912 GPS receiver and portable communication apparatus |
| 09/13/2001 | DE10010134A1 Telematics for helicopters involves automated exchange of position/application information with central station using positioning system with mobile communications |
| 09/12/2001 | EP1132713A1 Position information system |
| 09/12/2001 | EP1131650A1 Wireless user position update using infrastructure measurements |
| 09/12/2001 | EP1131649A1 Method and device for discovering and localizing undesirable radio emissions |
| 09/12/2001 | EP0902897B1 Satellite signal receiver with speed computing integrity control |
| 09/12/2001 | CN1312979A System and method for narrowing the range of frequency uncertainty of a doppler shifted signal |
| 09/12/2001 | CN1312914A Method for improving signal acquisition in a global positioning system receiver |
| 09/12/2001 | CN1312913A Apparatus and methods for position computation based on broadcast initialization data |
| 09/12/2001 | CN1312912A Method and system for aiding GPS receivers via a cellular or PCS network |
| 09/11/2001 | US6289279 Positioning system, method, and device for obtaining information about a current position |
| 09/11/2001 | US6289041 Fast Acquisition, high sensitivity GPS receiver |
| 09/11/2001 | US6289040 Hierarchical delay lock loop code tracking system |
| 09/07/2001 | WO2001065273A1 Telematics method for helicopters |
| 09/07/2001 | WO2001065207A2 Apparatus and method for determining position |
| 09/07/2001 | WO2001065206A2 Low cost 2d position measurement system and method |
| 09/06/2001 | US20010020216 Fully-coupled positioning system |
| 09/06/2001 | US20010020214 Solution separation method and apparatus for ground-augmented global positioning system |
| 09/06/2001 | US20010019316 GPS receiver and GPS reception method |
| 09/05/2001 | EP1130415A2 GPS receiver and GPS position measurement method |
| 09/05/2001 | CN1311568A Global positioning system receiver and its receiving method |
| 09/04/2001 | US6285321 Station based processing method for a wireless location system |
| 09/04/2001 | US6285318 Micro-miniature beacon transmit-only geo-location emergency system for personal security |
| 09/04/2001 | US6285316 Locating a mobile unit using signals from both mobile beacons and stationary beacons |
| 09/04/2001 | US6285315 Positioning systems |
| 09/04/2001 | US6285314 Portable GPS type distance/speed meter capable of changing sampling period of GPS signal in response to arm swinging period |
| 08/30/2001 | WO2001063317A1 Mobile cellular telephone comprising a gps receiver |
| 08/30/2001 | WO2001063316A1 Gps receiver and mobile unit incorporating the same |
| 08/30/2001 | WO2001063312A1 Electromagnetic position and orientation tracking system with distortion compensation employing wireless sensors |
| 08/30/2001 | US20010017599 GPS receiver and mobile unit incorporating the same |
| 08/30/2001 | US20010017598 Mobile cellular telephone comprising a GPS receiver |
| 08/28/2001 | US6282500 Accumulated phase measurement using open-loop phase estimation |
| 08/28/2001 | US6282427 Selection of location measurement units for determining the position of a mobile communication station |
| 08/28/2001 | US6282231 Strong signal cancellation to enhance processing of weak spread spectrum signal |
| 08/28/2001 | US6281837 Auxiliary system for assisting a wireless terminal in determining its position from signals transmitted from a navigation satellite |