| 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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| 09/29/2009 | US7596240 Object tracking method and object tracking apparatus |
| 09/29/2009 | US7595820 Determining image quality for improving object trackability |
| 09/29/2009 | US7595754 Methods, systems and apparatus for integrated wireless device location determination |
| 09/29/2009 | US7595750 System and method for improving GPS signal processing in a mobile phone by using MEMS |
| 09/24/2009 | WO2009076944A3 Radiation sensor for detecting the position and intensity of a radiation source |
| 09/24/2009 | US20090239548 Apparatus and method for deriving position information |
| 09/24/2009 | US20090237305 Wireless location and attitude detector for a sensor |
| 09/24/2009 | US20090237304 Method for mapping machine rooms and locating machines within machine rooms |
| 09/24/2009 | US20090237235 Relative positioning system method |
| 09/24/2009 | US20090237234 Relative positioning system and method |
| 09/23/2009 | CN101542839A Goniometer antenna system and use method thereof |
| 09/22/2009 | US7592956 Wireless transmitter location determining system and related methods |
| 09/22/2009 | US7592955 Airborne turbulence location system and methods |
| 09/22/2009 | US7592794 Integrated low power received signal strength indicator (RSSI) with linear characteristic |
| 09/17/2009 | WO2009114578A1 Autonomous sonar system and method |
| 09/17/2009 | US20090231958 Rssi and ultrasonic based hybrid ranging technology |
| 09/16/2009 | CN201311490Y Device rapidly obtaining elevation angle, azimuth angle and polarization angle of satellite antenna |
| 09/16/2009 | CN100541226C Virtual wall system of self-walking apparatus |
| 09/15/2009 | US7589672 Method for determining positional data |
| 09/15/2009 | US7589302 Tracking system |
| 09/09/2009 | EP2098881A2 Detection and ranging device and detection and ranging method |
| 09/09/2009 | EP1277091A4 A tracking, safety and navigation system for firefighters |
| 09/09/2009 | CN100538391C Probabilistic model for a positioning technique |
| 09/08/2009 | US7586812 Systems and methods of identifying/locating weapon fire including return fire, targeting, laser sighting, and/or guided weapon features |
| 09/08/2009 | CA2439375C Group notification system and method for implementing and indicating the proximity of individuals or groups to other individuals or groups |
| 09/08/2009 | CA2394429C Robust talker localization in reverberant environment |
| 09/03/2009 | WO2009107895A1 Method of object tracking in 3d space based on particle filter using acoustic sensoes |
| 09/03/2009 | WO2009106919A1 Wireless communication terminals and methods that display relative direction and distance therebetwee responsive to acceleration data |
| 09/03/2009 | WO2009106320A1 Device and method for the improved directional estimation and decoding by means of secondary radar signals |
| 09/03/2009 | US20090219785 Method and system for determining the location and/or speed of at least one swimmer |
| 09/03/2009 | US20090219211 Method and apparatus for locating the source of radio frequency emissions |
| 09/03/2009 | US20090219210 Wireless Tracking System And Method With Multipath Error Mitigation |
| 09/03/2009 | US20090219195 Unwrapping of Phase Values At Array Antenna Elements |
| 09/03/2009 | DE102008010882A1 Vorrichtung und Verfahren zur Richtungsschätzung und/oder Decodierung von Sekundärradarsignalen Apparatus and method for direction estimation and / or decoding of secondary radar signals |
| 09/02/2009 | EP2096457A2 Digital beam forming using frequency-modulated signals |
| 09/02/2009 | EP2096456A1 Method and apparatus for determining whether a moving entity is moving in a predetermined direction |
| 09/02/2009 | EP1500007A4 Blind source separation utilizing a spatial fourth order cumulant matrix pencil |
| 09/02/2009 | CN201302609Y Maritime emergency position-indication tracking equipment for individual |
| 09/01/2009 | US7583442 Extended depth of field optical systems |
| 09/01/2009 | US7582853 Method and device for producing an optical link using light flashes |
| 08/27/2009 | WO2009105054A1 Location identification using broadcast wireless signal signatures |
| 08/27/2009 | WO2009051771A8 Sidelobe blanking characterizer system and method |
| 08/26/2009 | CN101517431A Video surveillance system providing tracking of a moving object in a geospatial model and related methods |
| 08/25/2009 | US7580475 Base station having a set of phased array antennas |
| 08/25/2009 | US7579990 Method and system for estimating the location of a wireless terminal from a received signal strength |
| 08/25/2009 | US7579989 Method and system for emitter localisation |
| 08/25/2009 | US7579988 Method, device and system for determining direction of arrival of signal |
| 08/20/2009 | WO2009102310A2 Energy emission event detection |
| 08/20/2009 | WO2009101139A1 Method of three‑dimensional radioelectric location during multistatic operation |
| 08/20/2009 | US20090207694 Ultrasonic in-building positioning system based on phase difference array with ranging |
| 08/20/2009 | US20090207079 Radar sensor for receiving radar wave while judging existence of wave attenuator |
| 08/20/2009 | US20090206822 Application Of Wideband Sampling For Arc Detection With A Probabilistic Model For Quantitatively Measuring Arc Events |
| 08/19/2009 | EP2090895A1 Sound source position detector |
| 08/19/2009 | CN101512374A Sound source position detector |
| 08/18/2009 | US7576695 Multilateration enhancements for noise and operations management |
| 08/18/2009 | US7576694 Secure wireless user localization scheme using transmission range variation |
| 08/18/2009 | US7575190 Fiber optic laser detection and ranging system |
| 08/13/2009 | US20090201765 System and method for position determination of objects |
| 08/13/2009 | US20090201207 Method to modify calibration data used to locate a mobile unit |
| 08/13/2009 | DE202009003983U1 Sender- bzw. Sensoranordnung zur Erzielung optimierter Richtcharakteristik für Sende- oder Empfangsvorrichtungen in zwei oder drei Dimensionen Transmitter and sensor arrangement for achieving optimized directivity pattern for transmitting or receiving devices in two or three dimensions |
| 08/12/2009 | EP2087368A1 Method and system for detecting signal sources in a surveillance space |
| 08/12/2009 | EP1803024B1 Scanning imaging apparatus |
| 08/12/2009 | EP1451529B1 Methods and apparatuses for reconstructing angle information |
| 08/06/2009 | WO2009097183A1 A system and method for performing object association based on interaction time using a location tracking system |
| 08/06/2009 | WO2009096238A1 Radio tag information read device |
| 08/06/2009 | US20090196122 Underwater acoustic positioning system and method |
| 08/06/2009 | US20090195454 Soldier/ground vehicle passive ranging system utilizing compact spatiotemporal processor |
| 08/06/2009 | US20090195371 Method and Apparatus for Object Tracking Prior to Imminent Collision Detection |
| 08/06/2009 | US20090194669 Sun tracking solar panels |
| 08/06/2009 | DE102009006975A1 Fahrzeugschlüssel Car key |
| 08/06/2009 | CA2736946A1 A system and method for performing object association based on interaction time using a location tracking system |
| 08/05/2009 | EP2085787A1 Methods and system for determining viewing angles between two devices |
| 08/05/2009 | EP2084551A1 Procedure for eliminating ghost sources from passive sonar comprising several linear antennas |
| 08/05/2009 | EP1687656B1 Method for determination of the direction to an object for surveying |
| 08/05/2009 | CN201285447Y Broadband handhold azimuth finder |
| 08/05/2009 | CN201285446Y Moving type experiment test trolley capable of 360 DEG rotation |
| 08/05/2009 | CN201285421Y Broadband five channel radio monitoring and super-resolution direction-finding mobile station system |
| 08/05/2009 | CN201285420Y Bi-polarized five channel radio monitoring and super-resolution direction-finding fixed station system |
| 08/05/2009 | CN201285419Y Small-sized embedded radio monitoring and direction-finding station system |
| 08/05/2009 | CN201285418Y Unmanned helicopter-mounted aerial frequency spectrum monitoring system |
| 08/04/2009 | US7570214 Method and apparatus for ADS-B validation, active and passive multilateration, and elliptical surviellance |
| 08/04/2009 | US7570213 Method and apparatus for detecting and locating intrusion in a wireless network |
| 08/04/2009 | US7570211 Digital beamforming method and apparatus for pointing and null steering without calibration or calculation of covariance matrix |
| 07/30/2009 | US20090190441 Autonomous ultrasonic indoor tracking system |
| 07/30/2009 | US20090189806 System for transmitting a signal for positioning and method for producing the system |
| 07/30/2009 | CA2713103A1 Secure localization in wireless networks |
| 07/29/2009 | EP2083281A1 Solar tracker |
| 07/29/2009 | EP2010936B1 Process for locating sound projecting targets |
| 07/29/2009 | EP1709568A4 Method and apparatus for object tracking prior to imminent collision detection |
| 07/29/2009 | CN201281763Y Digital direction-finding processor for monitoring radio |
| 07/29/2009 | CN101495884A Method for detecting navigation beacon signals using two antennas or equivalent thereof |
| 07/29/2009 | CN101493515A Method for measuring wireless sensor network node angle based on wave interference |
| 07/29/2009 | CN100521736C Camera apparatus, a camera system, and a method for controlling the camera system |
| 07/28/2009 | US7567697 Single-camera tracking of an object |
| 07/28/2009 | US7567676 Sound event detection and localization system using power analysis |
| 07/28/2009 | US7567200 Method and apparatus for body position monitor and fall detect ion using radar |
| 07/23/2009 | WO2009092117A1 Systems and methods for detecting activities |
| 07/23/2009 | WO2009089990A1 Method for determining the position of an object using a mimo wlan radio network |
| 07/23/2009 | US20090184872 Provision of location information |
| 07/23/2009 | CA2736949A1 Systems and methods for detecting activities |