| 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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| 05/08/2012 | US8174446 Signal path delay determination |
| 05/08/2012 | US8174445 Method and apparatus for enhanced 911 location using power control in a wireless system |
| 05/03/2012 | WO2012056479A1 Supplementary guide kit, particularly for the blind and the partially sighted |
| 05/03/2012 | US20120105281 Method and Apparatus for Distribution of Satellite Navigation Data |
| 05/02/2012 | CN202210799U Single-sideband baseband convertor |
| 05/02/2012 | CN102439475A Method and apparatus for fast ttff |
| 05/02/2012 | CN102436001A Modulation signals for a satellite navigation system |
| 05/02/2012 | CN102435977A One-way link communication method for maritime personal emergency position indication tracking equipment |
| 05/02/2012 | CN102435976A Maritime emergency position indicating system |
| 05/02/2012 | CN101770016B GPS time service signal generator based on Beidou satellite |
| 05/01/2012 | US8170791 Automated travel planning system |
| 05/01/2012 | US8170086 Method and apparatus for performing signal correlation |
| 05/01/2012 | US8169369 Method and device for generating a location signal |
| 04/26/2012 | WO2012052651A1 System for orienting and positioning an electromagnetic receiver |
| 04/26/2012 | US20120098695 Antenna arrangement |
| 04/25/2012 | EP1185878B1 Improvements in radio positioning systems |
| 04/25/2012 | CN202204926U 实时定位管理系统 RTLS Management System |
| 04/25/2012 | CN102426366A 卫星导航系统的调制信号 Modulated signal satellite navigation system |
| 04/25/2012 | CN102426349A 一种etc系统的车辆定位方法、装置及不停车收费系统 Vehicle location method etc system, device and electronic toll collection system |
| 04/25/2012 | CN102426348A Device and method for detecting position of coal mining machine based on radio frequency technology |
| 04/25/2012 | CN101881817B 对全球导航卫星系统微弱信号进行检测的装置及方法 Weak global navigation satellite system signal detection apparatus and method |
| 04/25/2012 | CN101542309B 使用分布式复合gps信号的地理定位 Gps signal using distributed composite geolocation |
| 04/25/2012 | CN101408611B 一种应用于电力系统的无源北斗时钟 Applied to the power system of passive Compass Clock |
| 04/24/2012 | US8165607 System and method for estimating cell center position for cell ID based positioning |
| 04/24/2012 | US8164521 Pseudo-omni-directional beamforming with multiple narrow-band beams |
| 04/24/2012 | US8164516 GPS-based positioning system for mobile GPS terminals |
| 04/19/2012 | WO2012050901A2 Fourier domain sensing |
| 04/19/2012 | WO2012050786A1 Search and rescue using ultraviolet radiation |
| 04/19/2012 | WO2012048452A1 Portable integrated radio monitoring direction finding host machine |
| 04/19/2012 | US20120092218 Electronic apparatus, method of making the same, and transceiving device |
| 04/18/2012 | EP2442127A1 Apparatus and method for reducing power consumption in a position-determination device |
| 04/18/2012 | EP2440948A1 Mobile-based positioning with non-conforming use of assistance data |
| 04/18/2012 | EP2440945A1 Preference lists for assistance data requests in global navigation satellite systems |
| 04/18/2012 | EP2225622B1 Method for aircraft landing assistance using gps and mls in case of calculated axial approach |
| 04/18/2012 | CN1518336B Electronic camera |
| 04/18/2012 | CN102419429A 机载搜索机 Airborne search engine |
| 04/18/2012 | CN101313492B Apparatus and method for reducing power consumption in a position-determination device |
| 04/18/2012 | CN101311676B Satellite navigation device and its route planning method |
| 04/17/2012 | US8160604 Integrity monitoring in a position location system utilizing knowledge of local topography |
| 04/17/2012 | US8159395 Communication device, communication system, position detection method and program |
| 04/17/2012 | US8159389 Monitor and control of radio frequency power levels in a GNSS signal distribution system |
| 04/17/2012 | CA2420077C Block communication transceivers with gps capability |
| 04/11/2012 | EP2439556A1 Method for identifying emitters by a terminal in an iso-frequency network |
| 04/11/2012 | EP2438455A1 Method for enabling landing on an offset runway |
| 04/11/2012 | EP2095551B1 Chaotic spreading codes and their generation |
| 04/11/2012 | CN101655548B 信号捕获系统及方法 Signal acquisition system and method |
| 04/11/2012 | CN101576386B 微惯性导航系统及方法 Micro inertial navigation system and method |
| 04/10/2012 | US8155883 Current position information reporting system, information center apparatus, and method thereof |
| 04/10/2012 | US8154444 Emergency beacon with encoded warning |
| 04/10/2012 | US8154411 System and method for person or object position location utilizing impulse radio |
| 04/10/2012 | CA2640651C Method and apparatus for acquiring satellite positioning system signals |
| 04/10/2012 | CA2520809C Cospas-sarsat beacon tester in a removable expansion card for a handheld computing device |
| 04/10/2012 | CA2437706C Mobile computing and communication |
| 04/04/2012 | EP2435846A1 Orientation |
| 04/04/2012 | EP2435845A1 Method and receiver for receiving and processing altboc-modulated satellite navigation signals |
| 04/04/2012 | EP1516433B1 Reducing cross-interference in a combined gps receiver and communication system |
| 04/04/2012 | CN102405418A 网络自主无线定位系统 Network of independent wireless location system |
| 04/03/2012 | US8150567 Device for control of relative position(s) by measurements of power, for a spacecraft of a group of spacecraft in formation |
| 04/03/2012 | US8149107 System and method for person or object position location utilizing impulse radio |
| 03/29/2012 | US20120076122 Positioning With Wireless Local Area Networks And WLAN-Aided Global Positioning Systems |
| 03/28/2012 | EP2434308A1 Method And System For Validating A Mobile Station Location Fix |
| 03/28/2012 | CN102393527A A method and apparatus for receiving a signal |
| 03/28/2012 | CN101782640B Satellite search method and receiver using the same |
| 03/28/2012 | CN101750599B Method and apparatus for reducing time to first fix (TTFF) of global navigation satellite system (GNSS) receiver |
| 03/27/2012 | US8144545 Acoustic navigation device and method of detecting movement of a navigation device |
| 03/27/2012 | US8144056 Directional beacon device |
| 03/27/2012 | CA2511000C Inertial gps navigation system with modified kalman filter |
| 03/27/2012 | CA2472522C Multiple initial search method for cdma and gps systems |
| 03/22/2012 | US20120071172 Integrity monitoring in a position location system utilizing knowledge of local topography |
| 03/21/2012 | CN1839323B System and method for determining posture using spatial shift key control modulated character chart |
| 03/21/2012 | CN102381279A Navigation car key |
| 03/21/2012 | CN101198883B Auxiliary satellite positioning for support |
| 03/21/2012 | CN101128745B Supporting positioning based on satellite |
| 03/21/2012 | CN101084452B System and method for improving GPS signal processing in a mobile phone by using MEMS |
| 03/20/2012 | US8140256 Dynamic ride matching system |
| 03/20/2012 | US8138972 Signal processing system for satellite positioning signals |
| 03/20/2012 | US8138911 Personal locator beacon |
| 03/20/2012 | CA2512670C Digital television transmitter and receiver for transmitting and receiving dual stream using 4 level vestigial side band robust data |
| 03/14/2012 | EP2428813A1 Head Tracking System with Improved Detection of Head Rotation |
| 03/14/2012 | EP2428812A1 System and method to obtain signal acquisition assistance data |
| 03/14/2012 | EP2428025A1 Method and device for updating the date and time of an electronic system, in particular a cellular mobile telephone |
| 03/14/2012 | EP2427780A1 Method and apparatus for determination of the positioning of an apparatus or an user from satellite signaling |
| 03/14/2012 | EP1401113B1 Spectrum spreading signal demodulation method and apparatus |
| 03/14/2012 | CN101702016B Satellite navigation system baseband signal processing system and method |
| 03/14/2012 | CN101335816B System and method for inputting position information in captured image |
| 03/14/2012 | CN101196561B Wireless ranging omnidirectional image combined locating system |
| 03/13/2012 | US8134500 Method and apparatus for enhanced autonomous GPS |
| 03/13/2012 | US8134465 Registration method and placement assisting apparatus for location information tag |
| 03/13/2012 | CA2488231C System and method for cdma geolocation |
| 03/08/2012 | WO2012030197A2 Method and device for deciding location of terminal in a wireless communication system |
| 03/08/2012 | WO2012028115A1 Land quality measurement device |
| 03/07/2012 | EP2425532A1 Temperature compensation in a telecommunications device |
| 03/07/2012 | CN1963557B Positioning apparatus, control method of positioning apparatus |
| 03/07/2012 | CN1885060B Method for automatically loading map on GPS according to global satellite positioning signals |
| 03/07/2012 | CN102369455A System and method for operating a GPS device in micro power mode |
| 03/07/2012 | CN101881818B Device and method for rapidly detecting feeble signals |
| 03/07/2012 | CN101441257B Positioning apparatus, positioning system and positioning method with rapid positioning function |
| 03/07/2012 | CN101206254B Positioning method of GPS receiver locating in doors and auxiliary satellite navigation positioning system |
| 03/06/2012 | US8131342 Method and system for field mapping using integral methodology |
| 03/06/2012 | US8130146 Method for measuring the time of arrival of radio signals |