| 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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| 03/04/2008 | US7339526 Synchronizing ranging signals in an asynchronous ranging or position system |
| 03/04/2008 | US7339525 Land-based local ranging signal methods and systems |
| 03/04/2008 | US7339524 Analog decorrelation of ranging signals |
| 03/04/2008 | US7339523 Navigation system using radio frequency tags |
| 03/04/2008 | US7339521 Analytical instruments using a pseudorandom array of sources, such as a micro-machined mass spectrometer or monochromator |
| 03/04/2008 | US7339363 Variable gain received signal strength indicator |
| 02/28/2008 | US20080051108 Updating a Time Clock of a Wireless Communication Device Based on Time Zone |
| 02/28/2008 | US20080049696 Method and apparatus for geographic-based communications service |
| 02/28/2008 | US20080048914 Wireless Position Location And Tracking System |
| 02/28/2008 | US20080048119 Infrared radiation detector and driving or piloting assistance device comprising such a device |
| 02/27/2008 | EP1891834A1 Apparatus, system and method for acoustic signals |
| 02/27/2008 | EP1579235B1 Method of determining azimuth and elevation angles using a single axis direction finding system |
| 02/27/2008 | EP1509784B1 Methods and apparatus for accurate phase detection |
| 02/27/2008 | CN100372404C Adaptive smart antenna processing method and apparatus |
| 02/27/2008 | CN100372131C Semiconductor position sensor |
| 02/26/2008 | US7336563 Method and system for increased update rate in acoustic positioning |
| 02/21/2008 | US20080045241 Method and Apparatus for Geographic-Based Communications Service |
| 02/21/2008 | US20080042902 Apparatus for multilateration and method |
| 02/21/2008 | US20080042901 Wireless Position Location And Tracking System |
| 02/21/2008 | US20080042900 Method and Apparatus for Geographic-Based Communications Service |
| 02/21/2008 | US20080042899 Method and Apparatus for Geographic-Based Communications Service |
| 02/21/2008 | US20080042898 System and Method for Locating Wireless Devices |
| 02/21/2008 | CA2660910A1 Embedded wireless location validation benchmarking systems and methods |
| 02/20/2008 | EP1890485A1 Infrared radiation detector and driving or piloting assistance device comprising such a device |
| 02/20/2008 | EP1889090A2 Method for detecting navigation beacon signals using two antennas or equivalent thereof |
| 02/20/2008 | EP1540236A4 Solid cryogen cooling system for focal plane arrays |
| 02/20/2008 | EP1057326B1 Automatic determination of preset positions corresponding to participants in video-conferences |
| 02/20/2008 | CN100370830C Method and apparatus for audio-image speaker detection and location |
| 02/19/2008 | US7333622 Dynamic binaural sound capture and reproduction |
| 02/19/2008 | US7333394 Navigational aid for diver |
| 02/14/2008 | WO2008018253A1 Direction detection device |
| 02/14/2008 | WO2006124599A3 Expansion coefficient balancing in pressure compensation systems |
| 02/14/2008 | US20080039147 Cancellation System for Frequency Reuse in Microwave Communications |
| 02/14/2008 | US20080037370 Underwater acoustic positioning system and method |
| 02/14/2008 | US20080036661 Wireless Position Location And Tracking System |
| 02/14/2008 | US20080036660 Self-surveying wideband ground transmitters |
| 02/14/2008 | US20080036659 Correlation of flight track data with other data sources |
| 02/14/2008 | US20080036658 Method And An Arrangement For Estimating The Position Of A Mobile Terminal With A Prediction Method, And A Mobile Terminal |
| 02/14/2008 | US20080034871 Test Method For A Method For Passively Obtaining Target Parameters |
| 02/14/2008 | DE3642767B3 Winkelverfolgungsradarsystem Angle tracking radar system |
| 02/14/2008 | DE102006037209A1 Detection of illumination by an attacking high power microwave source, at a vehicle in hostile territory, measures the time for the field strength to breach a minimum level to give the range |
| 02/14/2008 | CA2593454A1 Infrared radiation detector and device comprising same for aiding in driving or pilotage |
| 02/13/2008 | EP1886517A2 Method and device for locating a terminal in a wireless local area network |
| 02/13/2008 | CN101122636A Method of estimating sound arrival direction and apparatus of estimating sound arrival direction |
| 02/12/2008 | US7330801 Signal separation using rank deficient matrices |
| 02/07/2008 | US20080030822 Scanning Imaging Apparatus |
| 02/06/2008 | EP1884793A2 Monitoring apapratus, monitoring method, and program |
| 02/06/2008 | EP1883786A2 On-board light source based gain correction for semi-active laser seekers |
| 02/06/2008 | CN101118746A Double track based audio data calibration method and multi-people voice talking system thererof |
| 02/05/2008 | US7327852 Method and device for separating acoustic signals |
| 02/05/2008 | US7327314 Two-way ranging between radio transceivers |
| 01/31/2008 | US20080024365 Position finding system and method used with an emergency beacon |
| 01/30/2008 | EP1883176A1 A direction of arrival estimation method for terminals of the same frequency cells |
| 01/30/2008 | EP1882193A2 Underwater geopositioning methods and apparatus |
| 01/30/2008 | CN101116005A Blind signal separation using correlated antenna elements |
| 01/29/2008 | US7324663 Flight parameter measurement system |
| 01/24/2008 | WO2008010306A1 Ultrasonic measuring device, and ultrasonic measuring method |
| 01/24/2008 | WO2008010272A1 Mobile object position detecting system |
| 01/24/2008 | WO2008010269A1 System for detecting position of mobile object |
| 01/24/2008 | US20080018264 Method and Device for Producing an Optical Link Using Light Flashes |
| 01/23/2008 | EP1881738A2 Method of operating a hearing aid and assembly with a hearing aid |
| 01/23/2008 | CN101109812A Tracking apparatus for warning radar major-minor petal and tracing method thereof |
| 01/23/2008 | CN101109799A Sense finding device for solid base line broad band microwave radiation source and sense finding method thereof |
| 01/23/2008 | CN101109798A Accurate sense finding device for P/L waveband radiation source and sense finding method thereof |
| 01/23/2008 | CN101109797A Five-time frequency interval ultra-wide frequency band sense finding method based on virtual array extension |
| 01/23/2008 | CN101109796A Method for digital satellite positioning by satellite frequency spectrum |
| 01/17/2008 | WO2008008670A2 Remote tracking system and device with variable sampling and sending capabilities based on environmental factors |
| 01/17/2008 | WO2007130746A3 Systems and methods for distance estimation between electronic devices |
| 01/17/2008 | US20080012768 Receive device and method for receiving a receive sequence |
| 01/17/2008 | US20080012767 Wireless Tracking System And Method With Multipath Error Mitigation |
| 01/17/2008 | US20080012766 Apparatus and method for measuring moving distance in mobile communication system |
| 01/17/2008 | US20080012765 Method, device and system for determining direction of arrival of signal |
| 01/17/2008 | US20080012761 Remote tracking system and device with variable sampling and sending capabilities based on environmental factors |
| 01/16/2008 | EP1879041A1 Method for recording and locating acoustic emissions |
| 01/16/2008 | EP1877823A1 Method and system for calibration of a radio direction finder |
| 01/16/2008 | CN101105525A Pure phase type broad frequency band microwave radiation source direction finding system and method |
| 01/15/2008 | US7319640 Noise suppression system |
| 01/15/2008 | US7319428 Positioning of mobile wireless terminal |
| 01/10/2008 | WO2007117667A3 Light source orientation detector |
| 01/10/2008 | US20080008044 Mobile acoustic event detection, recognition and location system |
| 01/10/2008 | US20080008043 Method for determining a position of an object |
| 01/10/2008 | US20080007454 Methods and apparatus for adaptively performing algebraic interference cancellation |
| 01/10/2008 | US20080007451 Interferometric radiometer |
| 01/09/2008 | EP1373822A4 Method and system for correcting for curvature in determining the trajectory of a projectile |
| 01/09/2008 | CN101103281A Method for determining the orientation of an antenna array |
| 01/08/2008 | US7317933 Method for measuring the time of arrival of a radio signal, receiver and system to carry out the method |
| 01/08/2008 | US7317419 Self-calibrated path loss position estimation and zone of impact determination |
| 01/03/2008 | WO2004077088A3 Method and system for generating reference signals with improved correlation characteristics for accurate time of arrival or position determination |
| 01/03/2008 | US20080002192 Laser Direction Detection |
| 01/03/2008 | US20080001821 Signal Arrival Direction Deducing Device, Signal Arrival Direction Deducing Method, and Signal Direction Deducing Program |
| 01/02/2008 | EP1872149A2 Positioning system with a sparse antenna array |
| 01/02/2008 | EP1872148A1 Positioning system with intentional multi-path signal |
| 01/02/2008 | EP1871267A1 Haptic guidance system and method |
| 01/02/2008 | CN100359975C Mobile communication terminal with wireless identification function and control method thereof |
| 01/01/2008 | US7315746 System and method for speed-based presence state modification |
| 01/01/2008 | US7315488 Methods and systems for passive range and depth localization |
| 01/01/2008 | US7315281 Location determination method and system for asset tracking devices |
| 01/01/2008 | US7315279 Antenna system for producing variable-size beams |
| 01/01/2008 | US7315278 Multiple frequency antenna structures and methods for receiving navigation or ranging signals |
| 12/27/2007 | US20070296633 System and method for position estimation with high accuracy and a wireless communication terminal device therefor |