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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06/28/2001 | US20010005811 GPS receiver, position-detecting system and positioning method |
06/28/2001 | US20010005680 Position location with low tolerance oscillator |
06/28/2001 | US20010005178 Method and apparatus for geographic-based communication service |
06/28/2001 | DE19960183A1 Stolen vehicle location system in which a vehicle constantly transmits an encoded signal to a central location, and in which the vehicle user has a portable decoding unit, which enables him to decode the transmitted signal |
06/28/2001 | DE10054764A1 Mobile radio hand set location determination for the cellular infrastructure, involves detecting location of mobile radio hand set in response to GPS ephemeris data, clock and differential correction data and updated ephemeris data |
06/27/2001 | EP1110099A1 Position location with a low tolerance oscillator |
06/27/2001 | EP1110098A2 Split c/a code receiver |
06/26/2001 | US6252863 Multipath compensation for pseudorange signals |
06/26/2001 | US6252546 Method and apparatus for processing multipath reflection effects in timing systems |
06/26/2001 | US6252545 Enhancement of signal-detection capability of GPS systems |
06/26/2001 | US6252535 Method and apparatus for acquiring wide-band pseudorandom noise encoded waveforms |
06/26/2001 | US6252525 Anti-collision system |
06/21/2001 | WO2001044829A2 Methods and systems for monitoring multiple channels in a very high frequency omni-directional range receiver |
06/21/2001 | US20010004601 Location and tracking system |
06/21/2001 | US20010004381 Method of synchronizing a receiver, and a receiver |
06/21/2001 | US20010004380 Method for synchronizing a receiver, a positioning system, a receiver and an electronic device |
06/21/2001 | DE19956909A1 Device for remote position monitoring determines position in earth-related coordinate system from signals from satellites of known position, stores and transmits position data |
06/21/2001 | CA2393994A1 Methods and systems for monitoring multiple channels in a very high frequency omni-directional range receiver |
06/20/2001 | EP1109033A1 Gps receiver, position capture system and position determination |
06/20/2001 | EP1108223A1 Method and apparatus for acquiring satellite positioning system signals |
06/20/2001 | EP1108222A1 System and method for power saving in a wireless telephone with a gps receiver |
06/20/2001 | CN1300370A System and method for determining the position of a wireless CDMA transceiver |
06/20/2001 | CN1299976A Positioning method of global positioning system and receiving apparatus of global positioning system |
06/19/2001 | US6249750 Phase detector |
06/19/2001 | US6249680 Radio transmitter location finding in CDMA wireless communication systems |
06/19/2001 | US6249542 Multipath processing for GPS receivers |
06/19/2001 | US6249539 System and method for narrowing the range of frequency uncertainty of a doppler shifted signal |
06/19/2001 | US6249253 Mobile radiotelephone determination using time of arrival of GPS and pilot signals |
06/19/2001 | US6249252 Wireless location using multiple location estimators |
06/19/2001 | US6249246 Location sensor having a satellite receiver for position determination |
06/14/2001 | WO2001042811A1 A receiver for a satellite based position location system |
06/14/2001 | WO2001042810A1 A receiver for a satellite based position location system |
06/14/2001 | WO2001042809A2 Gps athletic performance monitor methods and apparatus thereof |
06/14/2001 | WO2001041879A1 Gps based exercise and training monitoring device |
06/13/2001 | EP1107470A2 Method for synchronizing a receiver in a positioning system |
06/13/2001 | EP1107018A2 Method for synchronizing a receiver |
06/13/2001 | EP1105745A1 Method and system for aiding gps receivers via a cellular or pcs network |
06/13/2001 | CN1299468A Method and apparatus for characterizing multipath interference in circularly polarized signals |
06/13/2001 | CN1299195A Method for synchronous with a receiver and said receiver |
06/12/2001 | US6246960 Enhanced integrated positioning method and system thereof for vehicle |
06/12/2001 | US6246959 Positioning apparatus and positioning information receiving method/apparatus, capable of minimizing shift between reception timing and transmission timing of positioning information |
06/12/2001 | US6246376 Wireless location and direction indicator for multiple devices |
06/12/2001 | US6246363 Method and system for incorporating two-way ranging navigation as a calibration reference for GPS |
06/07/2001 | WO2001040825A1 Method of gps navigation and receiver |
06/07/2001 | WO2001040821A1 Method and apparatus for code phase correlation |
06/07/2001 | WO2001039698A1 Multipath and tracking error reduction method for spread-spectrum receivers |
06/06/2001 | EP0866983B1 Mobile position determination |
06/05/2001 | US6243409 Global navigation satellite system receiver with blanked-PRN code correlation |
05/31/2001 | US20010002458 GPS receiver with cross-track hold |
05/31/2001 | US20010002203 Spread spectrum receiver with multi-path correction |
05/30/2001 | EP1103156A1 Improvements in downlink observed time difference measurements |
05/30/2001 | EP1103001A1 Geolocation of mobile devices |
05/30/2001 | CN1297155A Timing correction method |
05/29/2001 | US6240367 Full fusion positioning method for vehicle |
05/29/2001 | US6240366 GPS reception ratio detecting apparatus and portable type distance/speed meter capable of indicating GPS signal receiving condition |
05/29/2001 | US6240276 Compensating for errors in tuning frequency of a global positioning satellite (GPS) receiver |
05/29/2001 | US6239743 Integrated split spectrum positioning system receiver |
05/29/2001 | US6239742 Method and apparatus for satellite positioning system based time measurement |
05/29/2001 | US6239721 Bootstrapped location determination |
05/29/2001 | US6238077 Apparatus for projecting electromagnetic radiation with a tailored intensity distribution |
05/24/2001 | US20010001763 Method for transmitting/receiving portions of an audio signal based on a priority of each portion |
05/23/2001 | EP1102415A2 Tracking loop realisation with adaptive filters |
05/23/2001 | EP1102084A2 Method to determine the orientation of the azimuth direction of a navigation apparatus |
05/23/2001 | EP1102083A1 Satellite positioning system receiver operating in presence of parasitic radio waves |
05/23/2001 | CN1296367A Method and device for aiding GPS protocol |
05/22/2001 | US6236937 GPS receiver with cross-track hold |
05/22/2001 | US6236936 Maintaining a desired separation or distribution in a moving cluster of machines using a time multiplexed global positioning system |
05/22/2001 | US6236832 Music-related information transmitted over mobile telephone network to a requesting user |
05/22/2001 | US6236673 Receiver for receiving signals of a statellite nagivation system |
05/22/2001 | US6236365 Location of a mobile station using a plurality of commercial wireless infrastructures |
05/22/2001 | US6236360 Golf course yardage and information system |
05/22/2001 | US6236355 Fast recovery of lock point information for GPS RTK receiver |
05/22/2001 | US6236354 Reducing satellite signal interference in a global positioning system receiver |
05/19/2001 | CA2325775A1 Receiver for satellite positioning system in the presence of parasite radio wave paths |
05/19/2001 | CA2290187A1 Hydrant monument |
05/17/2001 | WO2001035525A1 Sequential-acquisition, multi-band, multi-channel, matched filter |
05/17/2001 | WO2001035054A1 Methods and appparatus for measuring orientation and distance |
05/17/2001 | WO2001035053A1 Image metrology methods and apparatus |
05/17/2001 | WO2001035052A1 Robust landmarks for machine vision and methods for detecting same |
05/17/2001 | US20010001239 Method and apparatus for geographic-based communications service |
05/16/2001 | EP1099955A2 A method of timing calibration |
05/16/2001 | EP1099120A1 Method and apparatus for angle measurement or to define angular location of an object |
05/16/2001 | EP0914618B1 Integrity monitoring method and apparatus for gps and dgps receivers |
05/16/2001 | CN1295775A Method of emasuring time difference, and radio system |
05/15/2001 | US6232918 Antenna array calibration in wireless communication systems |
05/12/2001 | CA2325231A1 Method and apparatus for assisted gps protocol |
05/12/2001 | CA2324798A1 A method of timing calibration |
05/10/2001 | WO2001033302A2 Method and apparatus for position determination using reduced number of gps satellites and synchronized and unsynchronized base stations |
05/10/2001 | WO2001033231A2 Method and apparatus for electromagnetic position and orientation tracking with distortion compensation |
05/09/2001 | EP1097391A1 Gps signal fault isolation monitor |
05/09/2001 | EP1097390A1 Gps satellite drift monitor |
05/08/2001 | US6230018 Devices and processing in a mobile radio communication network having calibration terminals |
05/08/2001 | US6229478 Near-real time DGPS network and server system |
05/03/2001 | WO2001031295A1 Method for detecting the position of an object |
05/03/2001 | US20010000660 Method and apparatus for acquiring wide-band pseudorandom noise encoded waveforms |
05/02/2001 | EP1095292A1 Apparatus and methods for position computation based on broadcast initialization data |
05/01/2001 | US6225945 GPS receiver using coarse orbital parameters for achieving a fast time to first fix |
04/24/2001 | US6222484 Personal emergency location system |
04/24/2001 | US6222483 GPS location for mobile phones using the internet |
04/19/2001 | WO2001027650A1 System for processing directional radio signals |