| Patents for G01S 3 - Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received (11,105) |
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| 12/27/2011 | US8085199 Receiver including a matrix module to determine angular position |
| 12/22/2011 | WO2011158056A1 Method and apparatus for estimating direction of arrival |
| 12/22/2011 | US20110313849 Method and system for effective market research |
| 12/22/2011 | US20110309981 Combined direction finder and radar system, method and computer program product |
| 12/22/2011 | DE102010023958A1 Method for locating e.g. active radio frequency identification tag that is utilized in manufacturing logistics, involves determining position of transponder in two or three dimensions based on determined distance and determined direction |
| 12/21/2011 | EP2397865A1 Method and device for passive calculation of target data |
| 12/21/2011 | EP2396852A1 Wireless communication systems and methods with source localization and self-calibration |
| 12/21/2011 | CN102288936A 利用瞬时频谱幅度分布频次数据的无线电测向方法 Using the transient spectral amplitude distribution of radio frequency data finding method |
| 12/20/2011 | US8081112 System and method for collecting information related to utility assets |
| 12/20/2011 | US8081111 Method and apparatus for locating the source of an unknown signal |
| 12/20/2011 | CA2581160C Blind signal separation using spreading codes |
| 12/15/2011 | WO2011154949A2 Optical tracking system and method for herd management therewith |
| 12/15/2011 | WO2011154872A1 Opto-electronic system for radiometric measurements |
| 12/15/2011 | US20110304509 Method and System for Detecting Signal Sources in a Surveillance Space |
| 12/15/2011 | US20110304508 Direction finding antenna system and method |
| 12/15/2011 | US20110304507 Compact single-aperture antenna and direction-finding navigation system |
| 12/15/2011 | US20110304503 Simultaneous localization and rf modeling |
| 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 | CN102279381A 一种基于l型阵列二维波达方向估计的装置及其方法 Based on Direction of Arrival Estimation l-type array device and method |
| 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 |
| 12/13/2011 | US8077091 System and method for determining a position of a mobile device within a surveillance volume in the presence of multipath interference |
| 12/13/2011 | US8077090 Simultaneous localization and RF modeling |
| 12/13/2011 | CA2581218C Blind signal separation using signal path selection |
| 12/08/2011 | WO2011152504A1 Underwater positioning system and underwater positioning method |
| 12/08/2011 | US20110298664 Systems and methods for using a satellite positioning system to detect moved wlan access points |
| 12/08/2011 | US20110298663 Systems and methods for using a satellite positioning system to detect moved wlan access points |
| 12/07/2011 | EP2392938A1 Sound Signal Processing Apparatus and Sound Signal Processing Method |
| 12/07/2011 | EP2392048A1 Hybrid adaptive antenna array |
| 12/07/2011 | CN202066959U 多天线单元信号分析处理及测向系统 Multi-antenna signal analysis and processing unit and finding system |
| 12/07/2011 | CN1841084B 混合测距方法 Mixed ranging method |
| 12/07/2011 | CN102272624A 车辆位置检测装置及车辆位置检测方法 Vehicle position detecting device and position detecting method for a vehicle |
| 12/07/2011 | CN102272618A 分集时间和频率定位接收机 Time and frequency diversity positioning receiver |
| 12/07/2011 | CN102272617A 在无线通信或广播系统中的干扰检测、表征以及定位 Interference detection in a wireless communication or broadcasting system, and a positioning Characterization |
| 12/07/2011 | CN101398475B 声源方向检测装置和方法以及声源方向检测相机 A sound source direction detection apparatus and method and a sound source direction detecting camera |
| 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 | US8072311 Radio frequency identification tag location estimation and tracking system and method |
| 12/01/2011 | WO2011149738A1 Determining spatial orientation information of a body from multiple electromagnetic signals |
| 12/01/2011 | WO2011122993A3 Infrared circular-vision system |
| 12/01/2011 | US20110291892 Method of determining the direction of arrival of an electromagnetic wave |
| 12/01/2011 | DE102010012227A1 Method for determination of alignment of receiver for radio signals of e.g. global positioning system in external coordinate system during sports, involves determining geometric parameter as reference parameter for alignment of receiver |
| 12/01/2011 | CA2837179A1 Determining spatial orientation information of a body from multiple electromagnetic signals |
| 11/30/2011 | CN101109797B 基于虚拟阵列扩展的5倍频程超宽频带测向方法 Based Virtual Array Extension 5 octave ultra-wideband direction finding method |
| 11/29/2011 | US8068056 Location reporting with secure user plane location (SUPL) |
| 11/24/2011 | US20110287778 Method and system for estimation of mobile station velocity in a cellular system based on geographical data |
| 11/24/2011 | US20110285591 Correlating contextual data and position data to improve location based services |
| 11/24/2011 | DE102007011440B4 Richtungserfassungsvorrichtung Direction detection device |
| 11/23/2011 | EP2387725A1 Diversity time and frequency location receiver |
| 11/23/2011 | EP1954920B1 System for identifying high-quality phase angle measurements in an interferometric radar system |
| 11/23/2011 | EP1533627B1 Radar |
| 11/23/2011 | EP1305975B1 Adaptive microphone array system with preserving binaural cues |
| 11/23/2011 | CN102257743A A system for wireless communication and a method for providing wireless communication |
| 11/23/2011 | CN102257401A Estimating a sound source location using particle filtering |
| 11/23/2011 | CN102253363A Device for estimating two-dimensional direction of arrival (DOA) of coherent signals based on L array and method thereof |
| 11/23/2011 | CN101150345B Direction measurement method applicable to phase interference signal source under non stabilized noise background |
| 11/22/2011 | US8064290 Digital transcription system utilizing small aperture acoustical sensors |
| 11/22/2011 | US8064285 Method for functionally testing an ultrasonic sensor |
| 11/22/2011 | US8063826 Wireless time reference system and method |
| 11/22/2011 | US8063825 Cooperative position location via wireless data link using broadcast digital transmissions |
| 11/22/2011 | US8063824 Magnitude-squared coherence filtering in a time difference of arrival (TDOA) or group delay interferometric geolocation system |
| 11/22/2011 | CA2593821C Pattern diversity to support a mimo communications system and associated methods |
| 11/22/2011 | CA2496785C Sound source search system |
| 11/17/2011 | WO2011143601A2 Compressed sensing for navigation data |
| 11/17/2011 | US20110279324 Compressed sensing for navigation data |
| 11/17/2011 | US20110279323 System and method for providing location information on mobile devices |
| 11/17/2011 | US20110279308 Radiometric imaging device and corresponding method |
| 11/16/2011 | EP2386871A1 Radar apparatus |
| 11/15/2011 | US8059489 Acoustic airport surveillance system |
| 11/15/2011 | US8059487 Underwater detection device |
| 11/15/2011 | US8059032 Positioning control device and positioning control method |
| 11/15/2011 | US8059031 Beam switching antenna system and method and apparatus for controlling the same |
| 11/10/2011 | WO2011140501A1 Orientation sensor calibration |
| 11/10/2011 | WO2011140434A1 Intelligent data collection and transmission based on remote motion sensing |
| 11/10/2011 | WO2011138093A1 Measurement of the sag of a rotor blade of a wind turbine |
| 11/10/2011 | US20110273334 Ultra-secure communication methods and apparatus |
| 11/10/2011 | US20110273324 Continuous high-accuracy locating method and apparatus |
| 11/09/2011 | CN102239656A Method and apparatus for recognition of devices |
| 11/08/2011 | US8056112 Location-based media presentation |
| 11/08/2011 | US8054712 Autonomous hydrophone position locating and target tracking system |
| 11/08/2011 | US8054226 Method for estimating location of nodes in wireless networks |
| 11/03/2011 | WO2011136234A1 Device for detecting sounds outside vehicle |
| 11/03/2011 | WO2011134587A1 Method and indicating device for presenting the reconnaissance results during the locating of firearms |
| 11/03/2011 | WO2011134004A1 Solar tracking system |
| 11/03/2011 | WO2011099035A3 Scalable and rapidly deployable master-slave method and apparatus for distributed tracking solar collector and other applications |
| 11/03/2011 | US20110267924 Acoustic distance measurement system having cross talk immunity |
| 11/03/2011 | US20110267233 Technique for Determination of the Signal Subspace Dimension |
| 11/03/2011 | DE102010019150A1 Method for determining relative horizontal angle between car and transmitter for car-to-X communication purposes, involves providing evaluation unit evaluating error function, and determining angle based on values of error function |
| 11/03/2011 | DE102010019109A1 Verfahren und Anzeigegerät zur Darstellung der Aufklärungsergebnisse bei der Ortung von Schusswaffen Process and display device for displaying the reconnaissance results in locating firearms |
| 11/02/2011 | EP2382802A2 Method of and apparatus for planar audio source tracking |
| 11/02/2011 | CN102232194A Apparatus and method for determining position |
| 11/01/2011 | US8050719 Radio communication system, mobile terminal unit thereof, and azimuth determining method |
| 11/01/2011 | US8050141 Direction finder for incoming gunfire |
| 11/01/2011 | US8049668 Method and system for locating signal emitters using iterative residual weighting |
| 10/27/2011 | US20110261655 Method for Determining the Location of an Impact on a Surface of an Object |
| 10/27/2011 | US20110260923 System and method for positioning using signal transmit power and signal receive packet error ratio |
| 10/27/2011 | US20110260922 Mapping locations based on received signal strengths |
| 10/27/2011 | US20110260920 Systems and Methods for Protecting a Receiving Antenna from Interference by a Transmitting Antenna |
| 10/27/2011 | US20110260911 Systems and methods for resolving interferometric angle-of-arrival ambiguities due to local multipath reflections |
| 10/26/2011 | EP2381208A1 Method for determining positional data of a target object in a reference system |
| 10/26/2011 | EP2381207A1 3D targeting and target designation from IR data |