| 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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| 12/29/2011 | US20110316747 Leading edge detection |
| 12/29/2011 | US20110316741 Control and features for satellite positioning system receivers |
| 12/29/2011 | DE19621225B4 Leistungsreduziertes GPS-gestütztes System zum Verfolgen mehrerer Objekte von einem zentralen Ort Reduced power GPS-based system for tracking multiple objects from a central location |
| 12/29/2011 | DE10054764B4 Verfahren und Anordnung für ein Unterstütztes GPS-Protokoll Method and apparatus for an Assisted GPS protocol |
| 12/29/2011 | CA2744604A1 Threat detection systems and methods using position-sensing photodiodes |
| 12/28/2011 | CN101661307B 可接收卫星定位信号的电脑系统及其控制方法 Can receive satellite positioning signals of the computer system and control method |
| 12/28/2011 | CN101644756B 直线型gps动态定位精度检定仪及其检定方法 Gps linear dynamic positioning accuracy and calibration method Calibrator |
| 12/28/2011 | CN101635999B 通信传输系统及其方法 Communication System and Method |
| 12/28/2011 | CN101605010B 射频通信的动态选择和调度 Dynamic selection and dispatch radio frequency communications |
| 12/28/2011 | CN101131421B 星历数据的处理方法 Ephemeris data processing method |
| 12/27/2011 | US8086175 Field device search system |
| 12/27/2011 | US8085884 Method and apparatus for processing satellite positioning system signals to obtain time information |
| 12/22/2011 | WO2011157554A1 Method of providing an authenticable time-and-location indication |
| 12/22/2011 | US20110312421 Apparatus for position detection using multiple antennas |
| 12/22/2011 | US20110312336 Satellite based positioning method and system for coarse location positioning |
| 12/22/2011 | US20110312279 Rf ranging-assisted local motion sensing |
| 12/22/2011 | US20110312269 Repeaters for wireless communication systems |
| 12/22/2011 | US20110309982 Receiving station and methods for determining an angle-of-arrival of short-duration signals using surface-acoustic-wave (saw) devices |
| 12/22/2011 | US20110309965 Method for Transmission of a Geographic Coordinate |
| 12/22/2011 | DE102007018503B4 Anordnung zur Standlinien- oder Standortbestimmung eines Transponders Arrangement for position-line or positioning of a transponder |
| 12/22/2011 | CA2800193A1 Method of providing an authenticable time-and-location indication |
| 12/21/2011 | EP2396668A1 Sensors for an aircraft for locating devices |
| 12/21/2011 | CN101458319B 一种对铯束频标中束光学参量进行优化的方法 A standard method for cesium beam in the beam optical parametric optimization of frequency |
| 12/21/2011 | CN101458317B 全球导航卫星系统信号处理方法以及相关器 GNSS signal processing method and associated devices |
| 12/21/2011 | CN101329390B Gps接收机及检测gps接收机跟踪环路状态的方法 Gps receivers and detection methods gps receiver tracking loop status |
| 12/21/2011 | CN101213471B 用于为组合的导频和数据信号跟踪提供优化接收机架构的系统和方法 For a system and method for a combination of pilot and data signal tracking to provide optimal receiver architecture |
| 12/21/2011 | CN101084453B 移动终端中校准时间信息的传送 The mobile terminal transmits the time information of the calibration |
| 12/15/2011 | WO2011127450A3 Geolocation leveraging spot beam overlap |
| 12/15/2011 | WO2011117739A3 Robust ultrasonic indoor positioning system with high accuracy |
| 12/15/2011 | US20110306289 Position signal receiver |
| 12/15/2011 | US20110304506 Method For Measuring Location of Mobile Terminal |
| 12/15/2011 | US20110304505 Electronic Tracking System |
| 12/15/2011 | DE102010023461A1 Vorrichtung und Verfahren zum Bestimmen der Position eines Arbeitsgeräts Apparatus and method for determining the position of an implement |
| 12/14/2011 | CN202075407U 一种用于微波辐射计的同步检波电路 A microwave radiometer synchronous detection circuit |
| 12/14/2011 | CN102279380A 用于估计位置和方向的系统和方法 System and method for position and orientation estimation |
| 12/14/2011 | CN102279379A 手持式epirb检测仪 Handheld detector epirb |
| 12/14/2011 | CN102278132A 一种基于无线ZigBee技术的采煤机位置检测装置与检测方法 Shearer position detection device and a detection method based on ZigBee wireless technology |
| 12/14/2011 | CN101487887B 定位方法、导航方法、终端和系统及移动通信终端 Positioning method, the navigation method, and a mobile communication terminal and terminal system |
| 12/14/2011 | CN101375174B 辅助gps定位中的准确度估计 Assisted gps positioning accuracy estimate |
| 12/14/2011 | CN101360322B 一种基于测量网络的无线定位系统与方法 Wireless location system and method based on measurement of network |
| 12/13/2011 | US8078189 System and method for providing location based services over a network |
| 12/13/2011 | US8078118 Method and apparatus for signal processing in a satellite positioning system using navigation message common information |
| 12/13/2011 | US8077089 Precision geolocation of moving or fixed transmitters using multiple observers |
| 12/07/2011 | EP2391906A2 Apparatus and method for assisting vertical takeoff vehicles |
| 12/07/2011 | EP2391904A1 Navigation system integrity |
| 12/07/2011 | CN202066958U 一种智能运输跟踪定位器 An intelligent transportation tracking locator |
| 12/07/2011 | CN1943128B 一种用于接收信号的方法和装置 A method and apparatus for receiving a signal |
| 12/07/2011 | CN1798983B 获得信号捕获辅助数据的系统和方法 Systems and methods for obtaining the auxiliary data signal capture |
| 12/07/2011 | CN102272620A 使用一个或多个导频信号确认移动设备保持相对静止的方法和装置 Using one or more pilot signals remain relatively stationary mobile device to confirm the method and apparatus |
| 12/07/2011 | CN102272619A 对于被援助性定位系统的改进 For the improvement of the positioning system is aid |
| 12/07/2011 | CN102272616A 改善定位精确度的方法和系统 Improve the positioning accuracy of the method and system |
| 12/07/2011 | CN101592726B 用测量来改善无线电定位精确性的方法和装置 Method and apparatus for improving the measurement accuracy of radiolocation |
| 12/07/2011 | CN101533087B 追踪定位器、追踪定位遥控设备及方法 Tracking locator, track the location of the remote control device and method |
| 12/07/2011 | CN101398474B 北斗与gps双系统秒时差切换方法 Compass with gps dual system second difference switching method |
| 12/06/2011 | US8072954 Mashup application and service for wireless devices |
| 12/06/2011 | US8072383 Navigation and position determination with a multicarrier modulation signal of opportunity |
| 12/06/2011 | US8072382 Method and apparatus for ADS-B validation, active and passive multilateration, and elliptical surveillance |
| 12/06/2011 | US8072381 Location determination in a wireless network |
| 12/01/2011 | WO2011149771A2 Network location and synchronization of peer sensor stations in a wireless geolocation network |
| 12/01/2011 | DE102010028510A1 Device for determining physical quantity e.g. position from erroneous measured values, has evidence determiner which determines overall evidence for measured values based on redundancy contained in subgroup |
| 11/30/2011 | EP1671150B1 Geographic and space positioning system and process |
| 11/30/2011 | EP1103156B1 Improvements in downlink observed time difference measurements |
| 11/30/2011 | CN102262219A 无线信标装置 Radio beacon device |
| 11/30/2011 | CN101770017B 利用相位角变化译码导航数据的电子装置及其方法 Using the phase angle change of the electronic navigation data decoding apparatus and method thereof |
| 11/30/2011 | CN101155358B 自动规划路径方法 Automatic path planning method |
| 11/29/2011 | US8069314 Shared memory architecture in GPS signal processing |
| 11/29/2011 | CA2460606C Switching procedure and device for an aircraft radio-frequency landing guidance system |
| 11/29/2011 | CA2423913C Mobile-assisted network based techniques for improving accuracy of wireless location system |
| 11/24/2011 | WO2011144968A1 Physically-constrained radiomaps |
| 11/24/2011 | US20110285589 Network Location and Synchronization of Peer Sensor Stations in a Wireless Geolocation Network |
| 11/23/2011 | EP2387726A1 Resolving transmit time uncertainty in carrier phase relative positioning |
| 11/23/2011 | EP2387724A2 Directional beacon device |
| 11/23/2011 | EP1700135B1 Location system with calibration monitoring |
| 11/23/2011 | EP1667447B1 Data conversion system |
| 11/23/2011 | CN1568584B Satellite positioning system receiver with reference oscillator circuit and methods therefor |
| 11/23/2011 | CN102257861A Synchronization indication in networks |
| 11/23/2011 | CN102253362A TRM (time reversal mirror) technology based underwater positioning method |
| 11/23/2011 | CN102253361A Ultrashort baseline vertical motion multi-target signal detection method |
| 11/23/2011 | CN102253360A Method capable of automatically regulating threshold value for estimating number of cyclostationary signal sources |
| 11/23/2011 | CN101718858B Fireman rescue device with wireless direction-finding positioning function |
| 11/23/2011 | CN101515033B Multilayer stereoscopic grid array for recognizing noise source in a beam shaping method |
| 11/23/2011 | CN101334294B Gps-based in-vehicle sensor calibration algorithm |
| 11/22/2011 | US8064860 Method and apparatus for adjusting reference oscillator frequency in a mobile wireless device |
| 11/22/2011 | US8063823 Method for generating a location signal |
| 11/17/2011 | WO2011141403A1 Reduced complexity timing estimation and tracking of arrival of ofdm symbols positioning reference signals for locating the position of a mobile terminal |
| 11/17/2011 | WO2011005585A3 Method and apparatus for facilitating proximity detection in a wireless network |
| 11/17/2011 | US20110279322 Signal transmission surveillance system |
| 11/16/2011 | CN202041637U Wireless direction finding positioning device for searching and rescuing |
| 11/16/2011 | CN1976531B Positioning technology using terrestrial digital broadcasting signal and global positioning system signal |
| 11/16/2011 | CN102246056A Satellite positioning system signal searching methods and apparatuses |
| 11/16/2011 | CN101666868B Satellite signal vector tracking method based on SINS/GPS deep integration data fusion |
| 11/16/2011 | CN101655686B Method and apparatus for compensating clock bias |
| 11/16/2011 | CN101620264B Method for adjusting simulating medium-frequency level ensuring data quantification correctness in GNSS signal collection experiment |
| 11/16/2011 | CN101393258B Method for capturing satellite signal carrier frequency |
| 11/16/2011 | CN101339236B Receiver using infrastructure for providing aiding information to a GPS and method |
| 11/16/2011 | CN101303404B GNSS receiver and method thereof |
| 11/16/2011 | CN101144722B Portable positioning and navigation system |
| 11/15/2011 | US8059489 Acoustic airport surveillance system |
| 11/15/2011 | US8059030 Method and system for using a database and GPS position data to generate bearing data |
| 11/15/2011 | US8058740 Wind turbine cable twist prevention |