| 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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| 10/26/2011 | EP2380286A1 A system for wireless communication and a method for providing wireless communication |
| 10/26/2011 | EP2380033A2 Estimating a sound source location using particle filtering |
| 10/26/2011 | CN102226837A Vector circle array acoustic pressure and vibration velocity combined direction finding method on cylindrical form baffle condition |
| 10/25/2011 | US8045419 Method for mitigating spatial aliasing |
| 10/25/2011 | US8045418 Position detecting device, autonomous mobile device, method, and computer program product |
| 10/25/2011 | US8044859 Reference beacon methods and apparatus for TDOA/FDOA geolocation |
| 10/20/2011 | WO2011129740A1 Method and device for target designation |
| 10/20/2011 | US20110257812 Vehicle tracking system |
| 10/19/2011 | EP1751574B1 Method for tracking a transmitter by means of a synthetic gap antenna network |
| 10/18/2011 | US8040278 Adaptive antenna beamforming |
| 10/13/2011 | WO2011126956A1 Aural warning processor |
| 10/13/2011 | US20110248887 Geolocation leveraging spot beam overlap |
| 10/12/2011 | EP2374231A1 Method and apparatus for recognition of devices |
| 10/12/2011 | EP2215492B1 Method of multi-transmitter and multi-path aoa-tdoa location comprising a sub-method for synchronizing and equalizing the receiving stations |
| 10/12/2011 | CN102217394A Beacon sectoring for position determination |
| 10/12/2011 | CN102216800A Sensors, systems and methods for optical position sensing |
| 10/11/2011 | US8036065 Gunshot detection sensor with display |
| 10/11/2011 | US8036064 Distance measurement for building automation devices with wireless data communications |
| 10/06/2011 | WO2011122993A2 Infrared circular-vision system |
| 10/06/2011 | US20110242942 Distance sensor for vehicle with electrical connector |
| 10/06/2011 | US20110242941 Distance sensor for vehicle with electrical connector |
| 10/05/2011 | EP2372385A1 An apparatus for measuring the relative direction of a radio signal |
| 10/05/2011 | EP1626290B1 Image-acquisition module suitable for monitoring the external environment of a vehicle |
| 10/05/2011 | CN101027572B Blind signal separation using signal path selection |
| 10/05/2011 | CN101023372B Blind signal separation using a combination of correlated and uncorrelated antenna elements |
| 10/04/2011 | US8031117 Blind signal separation using polarized antenna elements |
| 10/04/2011 | US8031114 Infrastructure and method for geography based vehicle alert |
| 10/04/2011 | CA2504788C Event driven video tracking system |
| 09/29/2011 | WO2011119406A1 Method of determining absolute position for a motor vehicle |
| 09/29/2011 | US20110234454 System and method for positioning in configured environments |
| 09/29/2011 | US20110232989 Estimating a sound source location using particle filtering |
| 09/28/2011 | EP2369366A1 Active Target with Height Diversity |
| 09/28/2011 | EP2368396A1 Beacon sectoring for position determination |
| 09/28/2011 | EP2368133A1 Method for locating multiple rays of a source with or without aoa by multi-channel estimation of the tdoa and fdoa |
| 09/28/2011 | EP2368129A1 Method for determining azimuth and elevation angles of arrival of coherent sources |
| 09/28/2011 | CN102200573A Method for determining incoming wave direction of near-field target signal |
| 09/27/2011 | US8027761 Local positioning system for automated lawn mowers |
| 09/27/2011 | US8026849 Systems and methods for three dimensional antenna selection and power control in an ad-hoc wireless network |
| 09/22/2011 | WO2011072123A3 System and method for tracking objects under occlusion |
| 09/22/2011 | US20110231092 Real-time tracking of digital cameras and wireless capable devices |
| 09/22/2011 | US20110228640 Torsional Ultrasonic Wave Based Level Measurement System |
| 09/22/2011 | US20110227792 Method and system for positioning mobile units based on angle measurements |
| 09/22/2011 | US20110227791 Selecting beacons for location inference |
| 09/22/2011 | CA2792336A1 Intuitive computing methods and systems |
| 09/21/2011 | EP1761801B1 Low-cost doppler frequency shift measuring device |
| 09/21/2011 | CN201984162U 一种长基线双导航卫星接收天线定位定向装置 A long-baseline dual directional navigation satellite receiving antenna positioning device |
| 09/21/2011 | CN102195701A Method for suppressing side lobes of sum beams and difference beams of planar phased array only by utilizing one kind of analogue weighting |
| 09/21/2011 | CN102193080A Method and apparatus for estimating angle of arrival |
| 09/21/2011 | CN101206257B Airborne troops aggregating communication system and method |
| 09/20/2011 | US8022877 Systems and methods for using a satellite positioning system to detect moved WLAN access points |
| 09/20/2011 | US8022876 Indoor localization system and method |
| 09/20/2011 | US8022875 Indoor localization system and method |
| 09/15/2011 | WO2011084483A3 Underwater acoustic navigation systems and methods |
| 09/15/2011 | US20110224824 Robot localization system |
| 09/15/2011 | US20110222373 Methods, systems, and apparatus to calculate distance from audio sources |
| 09/14/2011 | CN201971087U 一种可测距报警的自行车 An alarm can be ranging bike |
| 09/14/2011 | CN101592721B Eigenvalue reconstruction based method for estimating angle of arrival of coherent signal |
| 09/13/2011 | US8018794 Independent device for determining absolute geographic coordinates of an immersed moving body |
| 09/13/2011 | US8018383 Method and apparatus for determining location using signals-of-opportunity |
| 09/13/2011 | CA2494417C Estimation and resolution of carrier wave ambiguities in a position navigation system |
| 09/08/2011 | US20110215963 Compact beacon radar and full atc services system |
| 09/08/2011 | US20110215733 Robust 1d gesture light control algorithm |
| 09/08/2011 | DE102010050888A1 Systeme und Verfahren zur Ermittlung von Positionen von unterirdischen Gegenständen Systems and methods for determining positions of subterranean objects |
| 09/07/2011 | EP2363724A1 An optical detector |
| 09/07/2011 | CN201965235U 长基线双导航卫星接收天线定位定向装置 Long Baseline dual directional navigation satellite receiving antenna positioning device |
| 09/07/2011 | CN102177442A Light directionality sensor |
| 09/07/2011 | CN102175990A Method and device for tracking direction of arrival based on Luenberger observer and subspace updating |
| 09/07/2011 | CN102175989A Method for measuring incoherently distributed signal two-dimensional DOA (direction of arrival) |
| 09/07/2011 | CN102175988A Direction finding method of correlative interferometer based on dimension division |
| 09/06/2011 | US8014913 Aircraft engine management for fuel conservation method and apparatus |
| 09/06/2011 | US8014230 Adaptive array control device, method and program, and adaptive array processing device, method and program using the same |
| 09/01/2011 | WO2011106331A1 Tracking system using proximity and/or presence |
| 09/01/2011 | WO2011106330A1 Tracking system |
| 09/01/2011 | WO2011104655A1 Audio source localization |
| 09/01/2011 | DE102011002442A1 Systeme und Verfahren zur Einfallswinkelmessung von auf einem Empfänger auftreffenden Wellen Systems and methods for measuring angle of incidence of incident waves at a receiver |
| 09/01/2011 | DE102010009495A1 Device for use as radio car key for locating e.g. motor vehicle, in multi-story car park, has processor unit processing direction information, and display device for optical/acoustic display of direction, in which object is located |
| 09/01/2011 | CA2788836A1 Intuitive computing methods and systems |
| 08/31/2011 | EP2362236A1 Method and apparatus for estimating angle of arrival |
| 08/31/2011 | CN102169170A A method for measuring a 2D angle of arrival (AOA) of coherently distributed signals |
| 08/30/2011 | US8009516 Underwater acoustic positioning system and method |
| 08/30/2011 | US8009515 Ground threat location for an aircraft |
| 08/30/2011 | US8009098 Staccato pulse edge correlation |
| 08/30/2011 | US8009095 Antenna array and a method for calibration thereof |
| 08/30/2011 | US8008926 UHF partial discharge and location measuring device for high-voltage power devices |
| 08/25/2011 | WO2011101843A1 System and method for guidance of a projectile |
| 08/25/2011 | WO2011100938A1 Method and apparatus for identifying changes of course and/or changes of speed for a destination |
| 08/25/2011 | US20110205123 Interferometric methods and systems |
| 08/25/2011 | CA2790681A1 Method and apparatus for identifying changes of course and/or changes of speed for a destination |
| 08/24/2011 | CN102165331A Incoming wave classifying and distinguishing device, incoming wave classifying and distinguishing method, originating position estimating device and originating position estimating method |
| 08/24/2011 | CN101241173B Infrared stereoscopic vision thermal image method and its system |
| 08/23/2011 | US8004762 Extended depth of field optical systems |
| 08/23/2011 | US8004464 Multiple object localisation with a network of receivers |
| 08/18/2011 | WO2011098784A1 An optical detector |
| 08/18/2011 | WO2011098189A1 Device for determining a position of a light source |
| 08/18/2011 | US20110199263 Method and apparatus for estimating angle of arrival |
| 08/18/2011 | US20110199257 Method and system for updating altitude information for a location by using terrain model information to prime altitude sensors |
| 08/18/2011 | US20110199255 Method and system for determining a position fix indoors |
| 08/18/2011 | DE102010001867A1 Vorrichtung zur Ermittlung einer Position einer Lichtquelle Device for determining a position of a light source |
| 08/18/2011 | CA2789265A1 An optical detector |
| 08/17/2011 | CN201937007U 轻便快装型搬移式监测测向天线阵 Lightweight quick-type transportable monitoring finding antenna array |