Patents
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)
05/2008
05/13/2008US7372772 Systems and method for compensation of sensor degradation in shooter detection systems
05/13/2008US7372405 Position location using digital video broadcast television signals
05/13/2008US7372404 Apparatus for estimating direction of arrival wave
05/13/2008US7372402 Method for enhancing the measuring accuracy in an antenna array
05/08/2008WO2007130138A3 Frequency matched relative position tracking system
05/08/2008US20080106468 Highly-accurate radio location of beacons in a warehouse
05/08/2008DE102006051090A1 Object e.g. head mounted display, position and orientation determining method for use in robotics, involves determining displacement of object to senders from power received in detectors of receiver
05/07/2008EP1354219B1 System for monitoring tyres of a vehicle comprising a device automatically locating wheel transmitters
05/07/2008EP1214608B1 System for detecting mobile receivers, using digital telebroadcasts transmission of a ground transmitter network
05/07/2008CN101173871A Detector and driving or piloting assistance device comprising such a device
05/07/2008CN100386764C Blind source separation utilizing a spatial fourth order cumulant matrix pencil
05/06/2008US7368745 Pattern recognition system
04/2008
04/30/2008EP1916538A2 Target moving object tracking device
04/30/2008EP1563571A4 Smart antenna system with improved localization of polarized sources
04/30/2008CN100385249C Multi-signal sorting algorithm with chip realization
04/29/2008US7366056 Depth sounding by acoustic pingers in a seismic spread
04/29/2008US7365832 Laser range finder
04/29/2008US7365679 Positioning apparatus, control method of positioning apparatus, control program for positioning apparatus, and computer-readable recording medium having control program for positioning apparatus recorded therein
04/24/2008WO2008046363A1 Navigation device and method for acquiring orientations
04/24/2008US20080094277 Excess Delay Estimation Using Total Received Power
04/24/2008US20080092657 Coherent Composition of Signals by Means Progressive Focal Correction
04/23/2008EP1914563A1 Ultrasonic camera tracking system and associated methods
04/23/2008EP1914421A1 Shape memory actuator device for imparting a sun tracking movement to an orientable member, in particular a solar generator
04/23/2008CN201051309Y Car traffic violation whistling electronic police system
04/22/2008US7362793 Base station having a set of phased array antennas
04/22/2008US7362656 Ultrasonic locating system
04/22/2008US7362655 Time-synchronous acoustic signal ranging system and method
04/22/2008US7362654 System and a method for detecting the direction of arrival of a sound signal
04/22/2008US7362653 Underwater geopositioning methods and apparatus
04/22/2008US7362270 System and method to perform network node localization training using a mobile node
04/22/2008US7362269 Undulating transmit patterns to support signal separation at a receiver
04/17/2008US20080088508 Enhanced Passive Coherent Location Techniques to Track and Identify UAVs, UCAVs, MAVs, and Other Objects
04/17/2008US20080088507 Robust low-frequency spread-spectrum navigation system
04/16/2008EP1910864A1 A system and method for positioning a transponder
04/16/2008CN201048357Y Eight-function highly effective generator
04/15/2008US7359285 Systems and methods for determining shooter locations with weak muzzle detection
04/15/2008US7358899 Distance estimation in a communication system
04/15/2008US7358894 Key for a vehicle
04/15/2008US7358854 Method and device to identify a periodic light source
04/10/2008US20080084788 Acoustic location of gunshots using combined angle of arrival and time of arrival measurements
04/10/2008US20080084351 Device and method for position measurement by means of linear doppler shifts generated
04/10/2008DE19629775B4 Verfahren und Vorrichtung zur Überwachung der Umgebung eines Fahrzeugs und zur Erfassung eines Ausfalls der Überwachungsvorrichtung Method and apparatus for monitoring the surroundings of a vehicle and for detecting a failure the monitoring device
04/10/2008DE19614746B4 Doppel-Wellenband-Optiksystem Double-waveband optical system
04/10/2008DE102007019444B3 Passive determination of target data by selective reception of acoustic waves used in e.g. carrier vehicle, involves using electroacoustic transducer arrangement for sonar reception on carrier vehicle to determine position of target
04/10/2008DE102006047375A1 Object i.e. ball, position information providing device, has position determination device determining coordinate of object position based on zero crossing of Doppler frequency characteristic that is assigned to coordinate of position
04/10/2008DE102006036940B3 Parameter determination method for position data processing of local variable sources with regular array antennas involves computing signal area and white noise area at antenna outputs by maximizing preset direction finding function
04/09/2008EP1908237A1 Distance-dependent spectra with uniform sampling spectrometry
04/09/2008EP1907909A2 Navigational aid for diver
04/09/2008EP1907751A2 In-ceiling focus located surgical lighting
04/09/2008CN101160104A Haptic guidance system and method
04/09/2008CN100380134C Small size antenna array aperture expanding and space signal processing method
04/03/2008WO2008039072A1 A system for tracking objects
04/03/2008US20080079631 Method and system for deriving location information from utility lines
04/02/2008EP1906554A2 Wireless communication device
04/02/2008CN101156078A Positioning system with intentional multi-path signal
04/02/2008CN101156077A Positioning system with a sparse antenna array
04/01/2008CA2350618C Circular direction finding antenna
03/2008
03/27/2008WO2008035440A1 Transmission parameter estimating apparatus and transmission parameter estimating method
03/26/2008EP1903348A1 Number-of-arriving-waves estimating method, number-of-arriving-waves estimating device, and radio device
03/26/2008EP1903294A1 Laser target seeker device
03/26/2008EP1902329A1 System and method for passively estimating angle and range of a source using signal samples collected simulataneously from a multi-aperture antenna
03/26/2008CN101150345A Direction measurement method applicable to phase interference signal source under non stabilized noise background
03/26/2008CN101149429A Array mutual coupling calibration and source direction estimation method suitable for uniform circular array
03/25/2008US7348923 Signal separation based on a hybrid separation matrix and antenna arrays
03/25/2008US7348920 Positioning system
03/25/2008CA2390287C Acoustic source range detection system
03/20/2008WO2007130397A3 Separating mixed signals in a cellular environment
03/20/2008US20080068267 Cost effective communication infrastructure for location sensing
03/20/2008US20080068265 Performance and power management in direction of arrival determination by utilizing sensor information
03/19/2008EP1901087A1 Distributed and cable reduced TCAS
03/19/2008EP1901086A2 Performance and power management in direction of arrival determination by utilizing sensor information
03/19/2008EP1901012A1 Light tracking sensor and sunlight tracking system thereof
03/19/2008EP1749345B1 A digitizer arrangement
03/19/2008EP1745526A4 Satellite tracking antenna system and method therefor
03/19/2008CN101147080A 1D or 2D goniometry method of diffuse sources
03/19/2008CN101144859A Device for tracking three radar signals of same carrier
03/18/2008US7346365 Smart antenna system and method
03/18/2008US7345630 System and method for position detection of a terminal in a network
03/18/2008US7345627 Land-based local ranging signal methods and systems
03/13/2008US20080061976 Radio frequency ID Doppler motion detector
03/12/2008EP1898230A2 Tracking a moving object from a camera on a moving platform
03/12/2008EP1787138B1 Systems and methods for disambiguating shooter locations
03/11/2008US7342538 Asynchronous local position determination system and method
03/11/2008US7342537 Method of and apparatus for detecting a current carrying conductor
03/11/2008US7342536 System and method for determining the location of emitters having well-behaved timing features
03/08/2008CA2599702A1 Pseudo random code modulated signal combiner
03/06/2008WO2007126458A3 Method and system for autonomous tracking of a mobile target by an unmanned aerial vehicle
03/06/2008US20080057924 Receiving Location Based Advertisements on a Wireless Communication Device
03/06/2008US20080056068 Apparatus and method for detecting position, and touch panel using the same
03/06/2008US20080055158 Wireless Position Location And Tracking System
03/06/2008US20080055157 Cooperative passive radar system
03/05/2008EP1894155A2 Interactive and adaptive messaging systems
03/05/2008EP1723726A4 Monolithic silicon-based phased arrays for communications and radars
03/05/2008EP1631831B1 Radiation detection apparatus
03/05/2008CN201032644Y Relay antenna direction self-adaptive device
03/05/2008CN100373808C Signal processing system and method based on estimating signal direction of anived wave
03/05/2008CN100373690C Method for accurately tracking and communicating with a satellite from a mobile platform
03/04/2008US7340282 Apparatus for forward beamforming using feedback of multipath information and method thereof
03/04/2008US7340259 Robust, efficient, localization system
03/04/2008US7340067 Wave signal processing system and method
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