| 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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| 03/01/2012 | US20120051445 Method and apparatus for transmitting positioning reference signals in a wireless communication network |
| 03/01/2012 | US20120050103 Synthetic aperture device for receiving signals of a system comprising a carrier and means for determining its trajectory |
| 03/01/2012 | US20120049798 Autonomous robot auto-docking and energy management systems and methods |
| 02/29/2012 | EP1552322B1 Procedure for estimating a parameter of a local maxima or minima of a correlation function derived from a received signal |
| 02/29/2012 | EP1490705B1 Determination of a composite peak position in the presence of a doppler shift |
| 02/29/2012 | EP1366376B1 Method and apparatus providing improved position estimate based on an initial coarse position estimate |
| 02/29/2012 | CN102365560A A method and apparatus for ranging finding, orienting, and/or positioning of single and/or multiple devices |
| 02/29/2012 | CN101839970B Method for quickly acquiring GPS signal and system thereof |
| 02/29/2012 | CN101401006B Dvor monitor device, and dvor monitor method |
| 02/28/2012 | US8125387 Regional satellite positioning supplementary system |
| 02/28/2012 | US8125381 Satellite-based positioning system improvement |
| 02/23/2012 | WO2012022838A1 Active positioning system |
| 02/23/2012 | WO2012022827A1 Passenger flow management system |
| 02/23/2012 | WO2002030089A8 Mobile-assisted network based techniques for improving accuracy of wireless location system |
| 02/22/2012 | EP2421091A1 Straddle-type vehicle |
| 02/22/2012 | EP2286260B1 Controlling satellite navigation receivers in response to low frequency electromagnetic signals |
| 02/22/2012 | EP1417847B1 Improved method for estimating tdoa and fdoa in a wireless location system |
| 02/22/2012 | EP1327312B8 Mobile-assisted network based techniques for improving accuracy of wireless location system |
| 02/22/2012 | CN102360069A Wireless signal intensity induction object searching positioner |
| 02/22/2012 | CN101629998B 一种全方位gps多路径信号测试装置 An all-encompassing multi-path signal testing device gps |
| 02/22/2012 | CN101382591B 一种使用无线传感器网络的车库定位系统 A method of using wireless sensor networks garage Positioning System |
| 02/22/2012 | CN101329394B 一种低成本实现船舶位置监控的船载终端及方法 Ship terminal and a low-cost method to monitor the ship's position to achieve |
| 02/22/2012 | CN101132583B 手持信息设备及其控制方法 Handheld information devices and control method |
| 02/21/2012 | US8120713 Television apparatus |
| 02/21/2012 | US8120533 Method and system for deriving location information from utility lines |
| 02/16/2012 | US20120040689 System and method to obtain signal acquisition assistance data |
| 02/16/2012 | US20120040668 System and method to obtain signal acquisition assistance data |
| 02/16/2012 | US20120038510 System and method to obtain signal acquisition assistance data |
| 02/15/2012 | CN102353967A Apparatus, methods and computer program products for signal acquisition using common demodulation templates |
| 02/15/2012 | CN101523236B 借助用于提高定位准确性的移动和/或机载传感器以及用于识别无线设备位置的实时高空影像的使用的商业无线定位系统（wls）的增强 Means for increasing the positioning accuracy of the movement and / or airborne sensors and commercial wireless positioning system for identifying the location of the wireless device in real time using the image height (wls) enhancement |
| 02/15/2012 | CN101093253B 卫星导航系统的调制信号 Modulated signal satellite navigation system |
| 02/14/2012 | US8116976 Satellite based positioning method and system for coarse location positioning |
| 02/09/2012 | WO2012017993A1 Infra-red transceiver system and infra-red transceiver method |
| 02/08/2012 | EP2158498B1 Positioning method and devices in a mobile radio communications system |
| 02/08/2012 | CN1991405B 飞行动物的实时追踪发报/飞行分析系统及其使用方法 Real-time flight tracking transmitters animal / flight analysis system and method of use |
| 02/08/2012 | CN102348996A Sensors for an aircraft for locating devices |
| 02/08/2012 | CN101726724B 一种全球定位系统接收机的快速比特同步方法 Quick bit of a global positioning system receiver synchronization method |
| 02/08/2012 | CN101587181B 一种宽带数字化遥测信号隔离匹配方法 Wideband Digital telemetry signal isolation matching method |
| 02/08/2012 | CN101300501B 用于卫星导航接收机的采样阈值和增益 Sampling threshold and gain for satellite navigation receivers |
| 02/07/2012 | US8111736 Rapid acquisition methods and apparatus for GPS signals |
| 02/07/2012 | US8111647 System and method for wireless communication of uncompressed video having a dual-beacon mechanism for two device types |
| 02/07/2012 | CA2451290C Method and apparatus for providing accurate position estimates in instances of severe dilution of precision |
| 02/02/2012 | WO2012013669A1 Frequency reference system that is not adversely affected by frequency micro-hops |
| 02/02/2012 | US20120026041 Systems and methods for locating a target in a gps-denied environment |
| 02/01/2012 | EP2412100A1 Method of improving battery life |
| 02/01/2012 | CN202133771U 一种基于无线功能的室内定位系统 A wireless capabilities based indoor positioning system |
| 02/01/2012 | CN102342026A Method of improving battery life |
| 02/01/2012 | CN101788356B 浮吊锚绞车锚位及锚绳状态监测方法 Floating crane winch anchor and anchor rope anchor bits condition monitoring methods |
| 02/01/2012 | CN101709976B 车载导航系统 Car navigation system |
| 02/01/2012 | CN101666869B 微弱卫星导航信号二次捕获方法与装置 Weak secondary satellite navigation signal acquisition method and apparatus |
| 02/01/2012 | CN101655546B 卫星导航直接信号参数与多径信号数目和参数的估计方法 Estimation of satellite navigation signal parameters directly with the number of multipath signals and parameters |
| 01/31/2012 | US8108096 Diagnostic systems and methods for a torque sensor |
| 01/31/2012 | CA2469208C Method and apparatus for reducing electromagnetic interference and jamming in communications equipment operating in rolling environments |
| 01/26/2012 | WO2012012561A1 Network-based location of mobile transmitters |
| 01/26/2012 | US20120023333 Information terminal apparatus, information processing apparatus and information communication system |
| 01/26/2012 | US20120020392 Communication system, network element and method for antenna array calibration |
| 01/26/2012 | US20120019413 System and method for real-time locating |
| 01/26/2012 | DE102011002211A1 Mobile electronic device has control unit that actuates drive unit based on magnetic field information if magnetic field sensor is not influenced |
| 01/26/2012 | DE102004003630B4 Verfahren und Vorrichtung zum Erfassen der Position eines mobilen Roboters Method and apparatus for detecting the position of a mobile robot |
| 01/26/2012 | CA2806018A1 Network-based location of mobile transmitters |
| 01/25/2012 | EP2410348A2 System and method for determining a position of a mobile object, assembly of general lighting LED and light sensor for determining the position of a mobile object |
| 01/25/2012 | EP2409291A1 3d building generalization for digital map applications |
| 01/25/2012 | EP2409290A1 Outdoor to indoor navigation system |
| 01/25/2012 | EP2409289A1 Method for updating digital maps |
| 01/25/2012 | EP2409288A1 Method for updating digital maps using altitude information |
| 01/25/2012 | CN102334042A Resolving transmit time uncertainty in carrier phase relative positioning |
| 01/25/2012 | CN101526613B Inter-satellite relative distance measurement device based on inter-satellite information exchange |
| 01/24/2012 | US8103289 System of utilizing cell information to locate a wireless device |
| 01/24/2012 | US8102312 Method and system for processing positioning signals based on predetermined message data segment |
| 01/24/2012 | CA2471568C Use of mobile stations for determination of base station location parameters in a wireless mobile communication system |
| 01/24/2012 | CA2439880C Method and apparatus providing improved position estimate based on an initial coarse position estimate |
| 01/18/2012 | EP2406654A1 Space location device, associated reference transmitter and location system |
| 01/18/2012 | EP2406653A1 Method and apparatus for sequencing and correlating a positioning reference signal |
| 01/18/2012 | EP1711841B1 Method and apparatus for processing satellite positioning system signals to obtain time information |
| 01/18/2012 | EP1425604B1 Advanced power management for satellite positioning system |
| 01/18/2012 | EP1421706B1 Data message bit synchronization and local time correction methods and architectures |
| 01/18/2012 | CN102326094A GNSS surveying methods and apparatus |
| 01/18/2012 | CN101770014B Method for obtaining accurate track frequency of global positioning system (GPS) signal |
| 01/17/2012 | US8099772 Information terminal apparatus, information processing apparatus and information communication system |
| 01/17/2012 | US8099103 Method for locating mobile terminals |
| 01/17/2012 | US8098190 Apparatus and method for testing emergency locator beacons |
| 01/17/2012 | CA2618297C Acquisition, pointing, and tracking architecture for laser communication |
| 01/13/2012 | CA2746150A1 System for augmenting the coverage, information and robustness of automatic identification devices of ships |
| 01/11/2012 | EP2404188A1 Area identification and area definition by utilizing rf technology |
| 01/11/2012 | CN1798982B Detection and reduction of periodic jamming signals in GPS receivers and methods therefor |
| 01/11/2012 | CN101685152B Method and system for determining a location of a wireless transmitting device and guiding the search for the same |
| 01/11/2012 | CN101600970B Method and apparatus for combining measurements and determining clock offsets |
| 01/11/2012 | CN101206253B Device and method for synchronous update of map data on handhold GPS terminal device |
| 01/10/2012 | US8095647 Method and apparatus for geographic-based communications service |
| 01/10/2012 | US8095155 Positioning with wireless local area networks and WLAN-aided global positioning systems |
| 01/10/2012 | US8095098 Apparatus and methods for network interface and spectrum management |
| 01/10/2012 | US8094697 Method and device for the demodulation of satellite radio navigation signals |
| 01/10/2012 | CA2466160C Parameter estimator configured to distinguish between peaks and sidelobes of correlation function |
| 01/04/2012 | CN102305923A Relative positioning method of minitype robot cluster |
| 01/04/2012 | CN101576612B Method for estimating carrier-to-noise ratio of GPS signal and GPS receiver |
| 01/04/2012 | CN101023371B Apparatus and method for signal acquisition using common demodulation templates |
| 01/03/2012 | US8089405 Applications for geographically coded access points |
| 01/03/2012 | CA2418799C Distress beacon, process and device for monitoring distress signals, and vehicle on which such a device is installed |
| 12/29/2011 | WO2011163621A2 Leading edge detection |
| 12/29/2011 | WO2011116330A3 Seek and find location method, system and apparatus |