| 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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| 03/30/2006 | US20060066481 Blind signal separation using a combination of correlated and uncorrelated antenna elements |
| 03/30/2006 | US20060066480 Blind signal separation using spreading codes |
| 03/30/2006 | CA2580684A1 Blind signal separation using correlated antenna elements |
| 03/29/2006 | EP1640760A1 Telescope system having auto-tracking altitude-azimuthal mount and methods for calibrating same |
| 03/29/2006 | CN1753526A Mobile communication terminal with wireless identification function and control method thereof |
| 03/28/2006 | US7020475 Using a derived table of signal strength data to locate and track a user in a wireless network |
| 03/28/2006 | US7020044 Apparatus for producing gaseous vapor baffle |
| 03/28/2006 | US7019694 Location measurement process for radio-frequency badges employing path constraints |
| 03/28/2006 | US7019693 Estimating altitude of a communications device |
| 03/28/2006 | US7019692 System and method for narrowband pre-detection signal processing for passive coherent location applications |
| 03/23/2006 | WO2006030834A1 Signal arrival direction deducing device, signal arrival direction deducing method, and signal arrival direction deducing program |
| 03/23/2006 | WO2006011650A3 Acoustic wave sensor |
| 03/23/2006 | US20060062548 Method of refining a plurality of tracks |
| 03/23/2006 | US20060062431 Method of producing a transit graph |
| 03/23/2006 | DE10120508B4 Elektronisches Ultraschallabtast-Objektdetektionsgerät und betreffendes Verfahren Electronic Ultraschallabtast object detection apparatus and proceedings in relation |
| 03/22/2006 | EP1637901A1 Method and apparatus for estimating wave arrival direction |
| 03/21/2006 | US7015859 Electromagnetic tracking system and method using a three-coil wireless transmitter |
| 03/16/2006 | US20060055600 Collision avoidance system and a method thereof |
| 03/16/2006 | US20060054734 Projectile seeker |
| 03/15/2006 | EP1634243A1 Method and device for locating objects for motor vehicles |
| 03/15/2006 | CN1746697A Multi-signal sorting algorithm with chip realization |
| 03/14/2006 | US7012566 Dynamic orientation adjusting device for satellite antenna installed in movable carrier |
| 03/14/2006 | US7012560 Object sensing apparatus |
| 03/09/2006 | WO2006026016A2 Satellite and local system position determination |
| 03/09/2006 | WO2006026015A2 Land-based transmitter position determination |
| 03/09/2006 | WO2006026014A2 Analog decorrelation of ranging signals |
| 03/09/2006 | WO2006025851A2 Radiometric propulsion system |
| 03/09/2006 | WO2006024754A1 Method and device for producing an optical link using light flashes |
| 03/09/2006 | US20060052112 Direction finding cell phones |
| 03/09/2006 | US20060049333 Device for Image Processing with Recognition and Selection of Light Sources |
| 03/08/2006 | EP1632786A1 Solar Tracker |
| 03/08/2006 | EP1631839A1 Methods and apparatus for weighting radar return data |
| 03/08/2006 | EP1631831A2 Radiation detection apparatus |
| 03/08/2006 | EP1631830A2 Dive computer with global positioning system receiver |
| 03/08/2006 | CN1244465C Method for processing location data incapable of being sent in signal blind zone of GSM system |
| 03/07/2006 | US7009912 Method and system for detection of broadband energy |
| 03/07/2006 | US7009561 Radio frequency motion tracking system and method |
| 03/07/2006 | US7009556 Providing geographic based promotion services to a computing device |
| 03/02/2006 | WO2006023863A1 Real-time image stabilization |
| 03/02/2006 | US20060044943 System and method for disambiguating shooter locations |
| 03/02/2006 | US20060044942 Self-calibrating shooter estimation |
| 03/02/2006 | US20060044941 Compact shooter localization system and method |
| 03/02/2006 | DE102004042091A1 Direction-finding procedure for RF signals, involves switching HF switch at specified frequency between antennas outputs |
| 02/28/2006 | US7006944 Method for determining poses of sensors |
| 02/28/2006 | US7006039 Microwave self-phasing antenna arrays for secure data transmission & satellite network crosslinks |
| 02/28/2006 | US7006032 Integrated traffic surveillance apparatus |
| 02/23/2006 | WO2006018571A1 Method for estimating misalignment from spread-spectrum signals, and corresponding device |
| 02/23/2006 | WO2005043933A3 Location system |
| 02/22/2006 | EP1628111A1 Method and apparatus for implementing an optical link based with a light beacon |
| 02/22/2006 | EP1627531A1 Method for identifying bad pixel against a non-uniform landscape |
| 02/22/2006 | CN1739221A Smart antenna system with improved localization of polarized sources |
| 02/21/2006 | US7003264 System and methods for comparing data quality for multiple wireless communication networks |
| 02/21/2006 | US7002876 Acoustic-propagation-time measuring apparatus |
| 02/21/2006 | US7002513 Estimation and resolution of carrier wave ambiguities in a position navigation system |
| 02/21/2006 | CA2310262C Sun optical limitation illumination detector (solid) |
| 02/16/2006 | WO2006016408A1 Radio wave arrival direction adaptive deduction tracking method and device |
| 02/16/2006 | WO2005119288A3 Method and system for determining the position of an object |
| 02/16/2006 | WO2005002070A3 Correlation interferometer geolocation |
| 02/16/2006 | US20060033662 Location system |
| 02/16/2006 | US20060033660 Method and system for time difference of arrival (TDOA) location services |
| 02/15/2006 | EP1626290A1 Image-acquisition module which is intended for monitoring the external environment of a vehicle |
| 02/15/2006 | EP1626287A1 Technique for estimating signal arrival direction not by utilizing eigenvalue decomposition and reception beam shaper |
| 02/14/2006 | US6999378 Parallel GCS structure for adaptive beamforming under equalization constraints |
| 02/09/2006 | WO2006015290A2 Multiple frequency antenna structures and method for receiving navigation or ranging signals |
| 02/09/2006 | WO2006015250A2 Land-based local ranging signal methods and systems |
| 02/09/2006 | WO2006013062A1 Method and system of detecting, monitoring and defining parameters for flying or stationary objects in airspace and outer space |
| 02/09/2006 | US20060030366 Apparatus for forward beamforming using feedback of multipath information and method thereof |
| 02/09/2006 | US20060030332 Method and system for geolocation of wireless transmissions using distributed processors in wireless receiver towers and a method for collecting a fee for processing geolocation requests |
| 02/09/2006 | US20060028388 Chiral polarization ultrawideband slot antenna |
| 02/09/2006 | DE19744635B4 Infrarot-Brandmelder Infrared detectors |
| 02/08/2006 | CN1731213A Ultrasonic distance meter having angle measurement unit |
| 02/08/2006 | CN1240885C Non-linear optical crystal potassium sodium alumino borate and its preparation process and application |
| 02/07/2006 | US6996481 Reconstruction of transient acoustic radiation from a finite object subject to arbitrarily time-dependent excitation |
| 02/07/2006 | US6996420 Radio communication system, mobile terminal unit thereof, and azimuth determining method |
| 02/07/2006 | US6995836 Angle measuring system |
| 02/07/2006 | US6995708 Local positioning system |
| 02/02/2006 | WO2006010774A1 Monitoring the movement of mobile communication devices |
| 02/02/2006 | US20060023072 Determining image quality for improving object trackability |
| 02/02/2006 | US20060022873 Synchronizing ranging signals in an asynchronous ranging or position system |
| 02/02/2006 | US20060022872 Asynchronous local position determination system and method |
| 02/02/2006 | US20060022871 Land-based transmitter position determination |
| 02/02/2006 | US20060022870 Land-based local ranging signal methods and systems |
| 02/02/2006 | US20060022869 Analog decorrelation of ranging signals |
| 02/02/2006 | US20060022662 Switched measuring system and method for measuring radiant signals |
| 02/02/2006 | DE102004027666A1 Verbesserung der Zuverlässigkeit und der Genauigkeit von Positionsbestimmungs-Verfahren durch Abschätzung des Rice-Faktors einer Funkverbindung Improving the reliability and the accuracy of position determination method by estimating the Rice factor, a radio link |
| 02/02/2006 | CA2574028A1 Acoustic wave sensor |
| 01/31/2006 | US6993158 Device for and method of automatically tracking a moving object |
| 01/31/2006 | US6992626 Method and apparatus to correlate aircraft flight tracks and events with relevant airport operations information |
| 01/31/2006 | US6992625 Calibration of a device location measurement system that utilizes wireless signal strengths |
| 01/31/2006 | US6992624 Attitude determination system using null-steered array |
| 01/26/2006 | WO2006009955A2 Self-calibrated path loss position estimation process, device and system |
| 01/26/2006 | WO2006008580A1 Vehicle location and recovery systems |
| 01/26/2006 | WO2004088454A3 Waveform classification and characterization using multidimensional higher-order statistics |
| 01/26/2006 | US20060017615 Receiver in a position-finding system and method for position-finding with increased sensitivity |
| 01/26/2006 | DE102004029368A1 Verfahren zum Detektieren von Zielen A method for detecting targets |
| 01/26/2006 | DE102004024073A1 Device for detecting person in hazard area, especially in mine, has portable transmitter-receiver with 2 transmitters and 2 receivers; one receiver has 3 orthogonal independent coils operating at 9 KHz, one has one coil operating at 7 KHz |
| 01/25/2006 | CN1726616A Antenna system and method for measuring the azimuth and elevation angles of an active, signal sending radiosonde |
| 01/24/2006 | US6989789 Method for locating radioelectric sources using two-channel high resolution radiogoniometer |
| 01/24/2006 | US6989754 Target awareness determination system and method |
| 01/19/2006 | WO2006007298A1 Location processing apparatus, systems, and methods |