| 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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| 02/18/2003 | US6522301 Above deck unit for automatic identification system |
| 02/18/2003 | US6522291 GPS receiver sharing an antenna ground plane with an EMI shield |
| 02/18/2003 | US6522265 Vehicle tracking and security system incorporating simultaneous voice and data communication |
| 02/18/2003 | CA2245798C An auxiliary system for assisting a wireless terminal in determining its position from signals transmitted from a navigation satellite |
| 02/13/2003 | WO2003013017A1 Method and apparatus for detecting spread spectrum signal spread code synchronization |
| 02/13/2003 | WO2003012485A2 Road weather prediction system and method |
| 02/13/2003 | WO2002063328A3 Low cost system and method for making dual band gps measurements |
| 02/13/2003 | WO2001086893A3 Data packet communications system with a plurality of antennas |
| 02/13/2003 | US20030030584 Global positioning system and global positioning apparatus |
| 02/12/2003 | EP1282830A1 Low signal-to-noise ratio positioning system |
| 02/12/2003 | EP0920638B1 Process for initializing a receiver for determining position and corresponding receiver |
| 02/11/2003 | US6519466 Multi-mode global positioning system for use with wireless networks |
| 02/11/2003 | US6519465 Modified transmission method for improving accuracy for E-911 calls |
| 02/11/2003 | US6519029 Low cost transmitter with calibration means for use in position measurement systems |
| 02/11/2003 | US6518921 Cellular positioning system that compensates for received signal delays in positioning radio receivers |
| 02/11/2003 | US6518889 Voice-activated personal alarm |
| 02/06/2003 | WO2003010929A1 Method and system for transmitting data from a first data network into a second data network |
| 02/06/2003 | WO2003010912A2 Method and apparatus for generating and distributing satellite tracking information in a compact format |
| 02/06/2003 | WO2003010554A1 Method and apparatus for estimating gps time |
| 02/06/2003 | WO2002093772A3 Processing a spread spectrum signal |
| 02/06/2003 | WO2002091014A3 A gps based terrain referenced navigation system |
| 02/06/2003 | WO2002091012A3 Altitude estimation system and method |
| 02/06/2003 | WO2002041651A3 Methods and apparatus for identifying asset location in mobile co mmunication networks |
| 02/06/2003 | US20030027584 Mobile communications terminal with position determination |
| 02/06/2003 | US20030027582 Radio communication terminal unit and method of transmitting location information |
| 02/06/2003 | US20030027527 Method of high-power switching and switch apparatus for frequency modulation within Loran-C signals |
| 02/06/2003 | US20030025902 Low cost transmitter with calibration means for use in position measurement systems |
| 02/06/2003 | US20030025635 GPS receiver module |
| 02/06/2003 | US20030025632 Method and apparatus for determining time in a satellite positioning system |
| 02/06/2003 | CA2454274A1 Method and arrangement for transmission of data from a first data network to a second data network |
| 02/04/2003 | US6516272 Positioning and data integrating method and system thereof |
| 02/04/2003 | US6516021 Global positioning systems and inertial measuring unit ultratight coupling method |
| 02/04/2003 | US6515624 Method of determining the location of a high frequency emitter |
| 02/04/2003 | US6515621 Navigation apparatus |
| 02/04/2003 | US6515620 Method and system for processing positioning signals in a geometric mode |
| 02/04/2003 | US6515619 Object location system |
| 02/04/2003 | US6515618 Fault detection and exclusion in a positioning system receiver |
| 02/04/2003 | US6515617 Method and system for position determination using geostationary earth orbit satellite |
| 01/30/2003 | WO2003009613A1 Improved method for estimating tdoa and fdoa in a wireless location system |
| 01/30/2003 | WO2003009612A1 Monitoring of call information in a wireless location system |
| 01/30/2003 | WO2003009495A1 System and method for individualized broadcasts on a general use broadcast frequency |
| 01/30/2003 | WO2003008994A2 Apparatus, method, and system of transferring correction information |
| 01/30/2003 | WO2003008993A2 Tracker architecture for gps systems |
| 01/30/2003 | WO2003008991A2 Method and system for processing positioning signals |
| 01/30/2003 | WO2003008990A2 Improvements in radio positioning systems |
| 01/30/2003 | WO2002073231A9 Server-assisted position determination in a radio network |
| 01/30/2003 | WO2002041545A3 Wireless clock synchronization |
| 01/30/2003 | US20030023379 Method and apparatus for generating and distributing satellite tracking information in a compact format |
| 01/30/2003 | CA2454117A1 System and method for individualized broadcasts on a general use broadcast frequency |
| 01/30/2003 | CA2450576A1 Improvements in radio positioning systems |
| 01/29/2003 | EP1279043A2 Miniature electronic personal locator beacon |
| 01/29/2003 | EP0804743B1 Global space radio navigation and radiolocation system, beacon, and receiver used in said system |
| 01/28/2003 | US6512928 Slow hopping data transmitter |
| 01/28/2003 | US6512803 Global positioning system receiver capable of functioning in the presence of interference |
| 01/28/2003 | US6512479 Signal acquisition using data bit information |
| 01/28/2003 | CA2232412C Receiver for determining a position on the basis of satellite networks |
| 01/23/2003 | WO2003007488A2 Interference rejection gps antenna system |
| 01/23/2003 | US20030017834 Mobile communication apparatus |
| 01/23/2003 | US20030017832 Method for estimating TDOA and FDOA in a wireless location system |
| 01/23/2003 | US20030016174 System and method for interference cancellation in a location calculation, for use in a wireless location system |
| 01/23/2003 | US20030016170 Method and system for processing positioning signals in a geometric mode |
| 01/23/2003 | US20030016169 Method and system for determining carrier frequency offsets for positiong singals |
| 01/23/2003 | US20030016168 Method and system for processing positioning signals in a stand-alone mode |
| 01/23/2003 | US20030016167 Method and apparatus for estimating GPS time |
| 01/23/2003 | US20030016166 Method and system for processing positioning signals with matching assistance |
| 01/23/2003 | US20030016006 Method and apparatus for electromagnetic position and orientation tracking with distortion compensation employing modulated signal |
| 01/22/2003 | EP1278339A1 Method and apparatus for communicating data from a first to a second data network |
| 01/22/2003 | EP1278074A1 Radio positioning systems |
| 01/22/2003 | EP1277286A2 Personal communications device with gps receiver and comon clock source |
| 01/22/2003 | EP1277091A1 A tracking, safety and navigation system for firefighters |
| 01/22/2003 | CN1393115A Method and apparatus for broadcasting location data in wireless communication system |
| 01/21/2003 | US6510401 Method of authenticating beacon |
| 01/21/2003 | US6510387 Correction of a pseudo-range model from a GPS almanac |
| 01/21/2003 | US6509870 Software-compensated crystal oscillator |
| 01/21/2003 | US6509869 GPS receiver |
| 01/21/2003 | CA2245290C Telecommunications-assisted satellite positioning system |
| 01/16/2003 | WO2003005486A1 Watchband antenna |
| 01/16/2003 | WO2003005485A1 Irst-worm electronic instrument with antenna |
| 01/16/2003 | WO2003005484A1 Wristwatch with antenna |
| 01/16/2003 | WO2003005056A2 System and method for a gps enabled antenna |
| 01/16/2003 | WO2003005055A1 Gps receiver and method for determining position of a wireless terminal |
| 01/16/2003 | WO2003003807A2 Method and apparatus for computing signal correlation at multiple resolutions |
| 01/16/2003 | WO2002051349A3 Self-contained device for location and assistance designed for people with impaired sight |
| 01/16/2003 | WO2002012912A3 Methods and apparatus for dynamically determining location using a simplified client device |
| 01/16/2003 | US20030014188 Method and apparatus for distributing satellite tracking information |
| 01/16/2003 | US20030012266 Quadrature multi-frequency ranging (QMFR) applied to GPS multipath mitigation |
| 01/16/2003 | US20030012153 System and method for individualized broadcasts on a general use broadcast frequency |
| 01/16/2003 | US20030011514 Interference rejection GPS antenna system |
| 01/16/2003 | US20030011513 Method and apparatus for compressing GPS satellite broadcast message information |
| 01/16/2003 | US20030011512 Location services system that reduces auto-correlation or cross-correlation in weak signals |
| 01/16/2003 | US20030011511 Method and apparatus for assisted GPS |
| 01/15/2003 | EP1275975A2 Quadrature multi-frequency ranging (OMFR) applied to GPS multipath mitigation |
| 01/15/2003 | EP1275259A1 Providing time synchronization to a gps locator |
| 01/15/2003 | EP1275209A1 Modified transmission method for improving accuracy for e-911 calls |
| 01/15/2003 | EP1157282B1 Sensor system |
| 01/15/2003 | EP1118014B1 Position location in memory limited environment |
| 01/15/2003 | EP0986735B1 Portable navigation system comprising direction detector, position detector and database |
| 01/15/2003 | CN1391654A Method and apparatus for increasing sensitivity of global positioning satellite receiver |
| 01/15/2003 | CN1391110A Radio signal receiver with device for calibrating multi-way signal effect and method for starting receiver |
| 01/15/2003 | CN1099039C Codeless GPS positioning method and apparatus for such codeless positioning |