| 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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| 03/19/2009 | US20090073045 Ultrasonic multilateration system for stride vectoring |
| 03/19/2009 | US20090073043 Apparatus for determining the location of a mobile node in a wireless system |
| 03/19/2009 | US20090073041 1d or 2d goniometry method of diffuse sources |
| 03/19/2009 | US20090073040 Adaptive array control device, method and program, and adaptive array processing device, method and program |
| 03/18/2009 | EP2037408A1 Method, computer program and device for determining the risk of midair collision |
| 03/12/2009 | WO2009032649A1 System and method for blind source separation of signals using noise estimator |
| 03/12/2009 | WO2009032586A2 Antenna orientation sensor and method for determining orientation |
| 03/12/2009 | WO2009029980A1 A tracking system |
| 03/12/2009 | WO2009008894A3 System and method for determining absolute position using a multiple wavelength signal |
| 03/12/2009 | WO2008156909A3 A method and system for joint time-of-arrival and amplitude estimation based on a super-resolution technique |
| 03/12/2009 | WO2008102377A3 A device for feeding multimode monopulse signals from antennas for tracking satellites |
| 03/12/2009 | US20090067291 Computer communications using acoustic signals |
| 03/12/2009 | US20090066578 System and method for cumulant-based geolocation of cooperative and non-cooperative rf transmitters |
| 03/11/2009 | EP1540236B1 Solid cryogen cooling system for focal plane arrays |
| 03/11/2009 | EP0960382B9 Method for identifying in a pre-established catalogue stars detected by a star sensor |
| 03/11/2009 | CN101382590A Sound source direction recognizing method, recognizing device and robot with the device |
| 03/10/2009 | US7502278 Analog beamformers for continuous wave ultrasonic receivers |
| 03/10/2009 | US7502053 Information-processing device and information-processing system |
| 03/10/2009 | US7501613 Light detecting and angle of view compensation for optical devices and method |
| 03/05/2009 | WO2009027639A1 Underwater communications |
| 03/05/2009 | WO2009027459A2 Solar sensor for the detection of the direction of incidence and the intensity of solar radiation |
| 03/05/2009 | US20090059724 Systems and Methods for Analyzing Acoustic Waves |
| 03/05/2009 | US20090059009 Object trackability via parametric camera tuning |
| 03/05/2009 | US20090058728 Interference cancellation and receive diversity for single-valued modulation receivers |
| 03/05/2009 | US20090058727 Method for processing array antenna signal |
| 03/05/2009 | CA2698310A1 Underwater communications |
| 03/04/2009 | EP2030029A2 Method and apparatus for detecting em energy using surface plasmon polaritons |
| 03/04/2009 | CN101377885A Electronic workstation for obtaining evidence of vehicle peccancy whistle and method thereof |
| 03/04/2009 | CN100466011C Electric forensics device for obtaining the evidence of illegal sound horns, electric policeman system and evidence obtaining method |
| 03/03/2009 | US7499553 Sound event detector system |
| 03/03/2009 | US7499376 System and method for position awareness for minimizing power consumption in sensor network environment |
| 03/03/2009 | US7498986 Methods and systems for locating actuators for improvised explosive devices |
| 03/03/2009 | US7498982 Method to improve accuracy of targeted position estimation through use of multiple networked observations |
| 02/26/2009 | WO2009025908A2 Methods and apparatus for using interferometry to prevent spoofing of ads-b targets |
| 02/26/2009 | WO2007103624A3 System and method for performing time difference of arrival location without requiring a common time base or clock calibration |
| 02/26/2009 | US20090055123 Distance based association for ultra wide band (uwb) wireless personal area network (pan) devices |
| 02/26/2009 | DE3744741A1 Polarisationsdetektor Polarization detector |
| 02/26/2009 | DE3730123A1 Gerät zum Bestimmen der Winkelposition einer Quelle von elektromagnetischer Strahlung Device for determining the angular position of a source of electromagnetic radiation |
| 02/26/2009 | DE3716346A1 Video-Bildaufnahmevorrichtung für ein passives Infrarot-Zielsuchgerät Video imaging device for a passive infrared homing device |
| 02/26/2009 | DE10226378A1 Zweifach gespeiste Antenne Dual fed antenna |
| 02/24/2009 | US7495998 Biomimetic acoustic detection and localization system |
| 02/24/2009 | US7495614 System and method for multipath mitigation using clustered positioning signals |
| 02/24/2009 | US7495613 System and method for position determination by impulse radio |
| 02/24/2009 | US7495612 Method and apparatus to improve ADS-B security |
| 02/24/2009 | US7495219 Radiation detection apparatus |
| 02/19/2009 | WO2009021438A1 A digital satellite locating method using satellite spectrum |
| 02/19/2009 | WO2008041878A3 System and procedure of hands free speech communication using a microphone array |
| 02/19/2009 | DE102007038559A1 Verfahren und Vorrichtung zum passiven Bestimmen von Zieldaten Method and apparatus for passive determination of target data |
| 02/18/2009 | EP2026087A1 Method and device for passive determination of target data |
| 02/18/2009 | EP2026086A2 Method and apparatus for determining the position of a moving object, by using visible light communication |
| 02/18/2009 | CN101371158A Device controlling relative position(s) using power measurements for use by a spacecraft in a group of spacecraft in formation |
| 02/18/2009 | CN100462733C Radio communication system and its mobile terminal, and direction determining method |
| 02/17/2009 | US7492908 Sound localization system based on analysis of the sound field |
| 02/17/2009 | US7492316 Wireless time reference system and method |
| 02/17/2009 | US7492314 User equipment navigation solution with position determination of a navigation signal reflector |
| 02/12/2009 | WO2009019881A1 Radar device and azimuth angle detecting method |
| 02/11/2009 | EP2021820A1 Method for determining the position, particularly in elevation, of a target flying at very low altitude |
| 02/11/2009 | EP1440330A4 System and method for localizing targets using multiple arrays |
| 02/11/2009 | CN101365147A Wireless broadcast television and satellite television moving monitoring system |
| 02/11/2009 | CN101365146A Minimized embedded type broadcast television monitoring direction measuring station system |
| 02/11/2009 | CN101363892A Radio monitoring and electronic interference integration system |
| 02/11/2009 | CN101363891A Wide-band 5-channel radio monitoring and super-resolution direction-finding mobile station system |
| 02/11/2009 | CN101363890A Dual polarization 5-channel radio monitoring and super-resolution direction-finding fixation station system |
| 02/11/2009 | CN101363889A Small-sized embedded radio monitoring and direction-finding station system |
| 02/11/2009 | CN101363888A Shipborne maritime wireless communication monitoring system |
| 02/11/2009 | CN101363887A Unmanned helicopter-mounted aerial frequency spectrum monitoring system |
| 02/05/2009 | WO2009016152A1 Method and system for determing the position of a mobile appliance relative to a fixed appliance, particularly of a storage-battery-operated dust collector automaton relative to a storage-battery charger |
| 02/05/2009 | US20090033757 Method and apparatus for determining the position of a moving object, by using visible light communication |
| 02/05/2009 | US20090033745 Method and apparatus for video frame sequence-based object tracking |
| 02/05/2009 | US20090033575 System and method for antenna tracking |
| 02/05/2009 | CA2684462A1 Curved sensor array apparatus and methods |
| 02/04/2009 | CN201191319Y Semi-automatic radio direction measuring machine |
| 02/04/2009 | CN101358846A Method and apparatus for determining the position of a moving object, by using visible light communication |
| 02/03/2009 | US7487056 Precision of localization estimates |
| 02/03/2009 | US7486803 Method and apparatus for object tracking prior to imminent collision detection |
| 02/03/2009 | US7486233 Method and system of positioning |
| 01/29/2009 | WO2008100200A8 Light collecting device |
| 01/28/2009 | CN101354434A Method for detecting displacement amount of secondary pixel and apparatus for using the same |
| 01/22/2009 | WO2009010548A2 Signal waveform construction for position determination by scrambled conical |
| 01/22/2009 | WO2008145796A3 Solar radiation sensor |
| 01/22/2009 | DE102007034054A1 Verfahren zum passiven Bestimmen wenigstens der Entfernung zu einem schallabstrahlenden Ziel sowie Sonaranlage Method for passively determining at least the distance to a target sound emitting and sonar system |
| 01/21/2009 | EP2017639A1 A system and method for determining attitude using spatial shift key (SSK) modulation signatures |
| 01/21/2009 | CN101349742A Method for optimizing space between broad band phased array elements and measuring frequency and direction of frequency domain multiple targets |
| 01/21/2009 | CN101349741A Phased array digital multi-beam forming machine for electron reconnaissance |
| 01/21/2009 | CN100454775C Apparatus and method for forming a forward link transmission beam of a smart antenna in a mobile communication system |
| 01/20/2009 | US7480568 Method for encrypted and unencrypted cooperative operation |
| 01/20/2009 | US7479926 System and method of utilizing positioning receiver hardware for network-based transceiver applications |
| 01/20/2009 | US7479925 Airport runway collision avoidance system and method |
| 01/20/2009 | US7479923 Airspace separation control and collision avoidance |
| 01/15/2009 | WO2009008894A2 System and method for determining absolute position using a multiple wavelength signal |
| 01/15/2009 | WO2009007513A1 Method for signal source monitoring and positioning in a radio network |
| 01/15/2009 | US20090016165 Positioning system using ultrasonic waves and method for operating the same |
| 01/14/2009 | EP2014019A2 Triangulation with co-located sensors |
| 01/14/2009 | EP1631839B1 Methods and apparatus for weighting radar return data |
| 01/14/2009 | CN101344582A Gravel-blind minimum variance distortionless response beam forming method |
| 01/14/2009 | CN100451672C System for automatically measuring opposite direction between two objects and implementing method therefor |
| 01/13/2009 | US7477921 Cancellation system for frequency reuse in microwave communications |
| 01/13/2009 | US7477193 Method and system for elliptical-based surveillance |
| 01/13/2009 | US7477163 Apparatus and method for determining asset location via local triangulation |
| 01/13/2009 | US7477050 Magnetic sensor having a coil around a permeable magnetic core |