| Patents for G01S 11 - Systems for determining distance or velocity not using reflection or reradiation (4,179) |
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| 07/08/2004 | US20040132430 Received response characteristics storing method and radio apparatus utilizing the same |
| 07/07/2004 | EP1435601A2 Vehicle travelling control apparatus based on inter-vehicle data communication |
| 07/06/2004 | US6760592 System and method for cyclic carrier de-rotation for earliest time of arrival estimation in a wireless communications system |
| 07/01/2004 | US20040125228 Apparatus and method for determining the range of remote objects |
| 06/30/2004 | EP1434369A2 Received response characteristics storing method and radio apparatus utilizing the same |
| 06/24/2004 | WO2004054319A1 Method and device for measuring sound wave propagation time between loudspeaker and microphone |
| 06/24/2004 | US20040121822 Apparatus, system, and method for locating a transceiver using RF communications and radio services |
| 06/23/2004 | EP0966226B1 A system for sharing electrocardiogram electrodes and transducers |
| 06/17/2004 | WO2004051304A1 Ultrasonic tracking and locating system |
| 06/17/2004 | WO2004051303A1 Ultrasonic locating system |
| 06/17/2004 | WO2004034083A3 Installation and method for acoustic measurement with marker microphone in space |
| 06/17/2004 | US20040117144 Method of measuring point-blank passing time or the like of airplane |
| 06/17/2004 | US20040113805 Device and method for positioning |
| 06/16/2004 | EP1428354A2 Digital audio system |
| 06/16/2004 | EP1428330A2 Telephony control in the flight deck |
| 06/16/2004 | EP1428234A1 Visual indication of uninstalled control panel functions |
| 06/16/2004 | EP1428207A1 Active noise filtering for voice communication systems |
| 06/16/2004 | EP1428037A1 Improvements to tracking systems |
| 06/16/2004 | EP1428036A2 Annunciation of the distance to a target position in a gps landing system |
| 06/16/2004 | EP1427995A2 Station identification for a local area augmentation system on a visual display |
| 06/10/2004 | WO2004010730A3 Ultrasonic transducer for electronic devices |
| 06/10/2004 | WO2003104965A3 Computer navigation |
| 06/09/2004 | EP1426784A1 Apparatus and method for location determination |
| 06/09/2004 | EP1425605A2 System and method to estimate the location of a receiver in a multi-path environment |
| 06/09/2004 | EP1071369A4 Motion tracking system |
| 06/09/2004 | EP0826273B1 Method and apparatus for power control in a communication system |
| 06/03/2004 | WO2004036239A3 Procedure for estimating a parameter of a local maxima or minima of a correlation function derived from a received signal |
| 06/03/2004 | US20040107033 Method for operating a pre-crash sensing system in a vehicle having external airbags |
| 06/03/2004 | US20040105579 Drive supporting device |
| 06/02/2004 | EP1424567A1 Method and apparatus for covertly determining the rate of relative motion between two objects |
| 06/01/2004 | US6744380 Apparatus for monitoring area adjacent to vehicle |
| 05/27/2004 | US20040101167 Method and apparatus for covertly determining the rate of relative motion between two objects |
| 05/26/2004 | EP1421405A1 System and method of determining short range distance between rf equipped devices |
| 05/26/2004 | CN1151472C Distance measuring device and three-dinensional image measuring apparauts |
| 05/26/2004 | CN1151382C Impulse radar with swept range gate |
| 05/25/2004 | US6740879 Method and apparatus for automated detection and indication of movement |
| 05/22/2004 | CA2450299A1 Method and apparatus for covertly determining the rate of relative motion between two objects |
| 05/20/2004 | US20040098224 Identical object determination method and apparatus and displacement correction method and apparatus |
| 05/20/2004 | US20040097196 Method and device for evaluating the energy level of a radio signal |
| 05/20/2004 | US20040097190 Mobile unit position determination using RF signal repeater |
| 05/18/2004 | US6737963 Driver tailgating and following aid |
| 05/13/2004 | WO2004040327A1 System for locaton and operation management of mobile vehicle using phase difference of arrival |
| 05/11/2004 | US6734787 Apparatus and method of recognizing vehicle travelling behind |
| 05/06/2004 | WO2004038960A1 Simple position trace system |
| 05/06/2004 | US20040087317 Cooperative element location system |
| 05/06/2004 | US20040085242 Synthetic Doppler system and method for locating cooperative transceivers |
| 05/06/2004 | DE10296593T5 Fahrunterstützungsvorrichtung Driving support apparatus |
| 05/04/2004 | US6731237 Deeply-integrated adaptive GPS-based navigator with extended-range code tracking |
| 04/30/2004 | CA2446842A1 Synthetic doppler system and method for locating cooperative transceivers |
| 04/29/2004 | WO2004036241A1 Method for determining the distance between two transmitting and receiving stations |
| 04/29/2004 | WO2004036239A2 Procedure for estimating a parameter of a local maxima or minima of a correlation function derived from a received signal |
| 04/29/2004 | US20040082331 Method and system for estimating movement speed of mobile unit |
| 04/22/2004 | WO2004034083A2 Installation and method for acoustic measurement with marker microphone in space |
| 04/22/2004 | DE10247713A1 Determining distance between two transmitter-receiver stations e.g. in vehicle keyless entry system, involves detecting coincidences of transmitted and received pulses in each station, deriving station distance from pulse counts |
| 04/21/2004 | EP1410064A1 Method for locating sensors mounted each on a vehicle wheel |
| 04/21/2004 | CN1491408A Method of measuring point-blank passing time or like of appliance |
| 04/15/2004 | WO2004031719A1 Method for detecting and locating at least one source of noise in a pipe transporting a fluid and installation therefor |
| 04/15/2004 | US20040072556 Estimation of movement |
| 04/15/2004 | US20040071046 Method for detecting mobile objects using passive submarine buoys |
| 04/14/2004 | EP1236126A4 System and method for detecting obstacles to vehicle motion |
| 04/13/2004 | US6720938 Head-up display on a vehicle, with controlled brightness of warning light |
| 04/13/2004 | US6720876 Untethered position tracking system |
| 04/08/2004 | WO2004029649A1 Apparatus and method for determining range and bearing using time-stamped massaging |
| 04/07/2004 | CN1488076A Method and apparatus for location estimation |
| 04/06/2004 | US6718174 Method and apparatus for estimating velocity of a terminal in a wireless communication system |
| 04/06/2004 | US6717516 Hybrid bluetooth/RFID based real time location tracking |
| 04/01/2004 | WO2004027434A1 Measuring and stabilising system for machine-controllable vehicles |
| 04/01/2004 | US20040064241 Vehicle surroundings monitoring apparatus and traveling control system incorporating the apparatus |
| 03/31/2004 | EP1402498A1 An object location system for a road vehicle |
| 03/31/2004 | CN1144390C Method and apparatus for power control in communication system |
| 03/31/2004 | CN1144025C Stereo observing system of automotive single pickup camera |
| 03/30/2004 | US6714155 Method of passively estimating an emitter's position and velocity using bearings-only without requiring observer acceleration |
| 03/30/2004 | US6714139 Periphery monitoring device for motor vehicle and recording medium containing program for determining danger of collision for motor vehicle |
| 03/30/2004 | CA2347253C Method and apparatus for determining optical distance |
| 03/24/2004 | EP1400391A2 Vehicle surroundings monitoring apparatus and traveling control system incorporating the apparatus |
| 03/23/2004 | US6710719 Detection system for determining orientation information about objects |
| 03/18/2004 | WO2004023070A1 Laser receiver and laser receiving device |
| 03/18/2004 | WO2003096055A3 Low-cost, low-power geolocation system |
| 03/18/2004 | US20040054471 Tag tracking |
| 03/11/2004 | US20040046866 Method for determining visibility |
| 03/11/2004 | DE10240217A1 Determination of speed of a moving object such as an automobile is based upon mobile phone moving between GSM cell boundaries |
| 03/09/2004 | US6704650 Technique for accurate distance and velocity calculations using the global positioning system (GPS) |
| 03/09/2004 | US6704621 System and method for estimating ego-motion of a moving vehicle using successive images recorded along the vehicle's path of motion |
| 03/09/2004 | US6703570 Digital pen using ultrasonic tracking |
| 03/03/2004 | EP1105980A4 Method and apparatus for using a pseudo-random signal in a communication system |
| 03/02/2004 | US6700538 System and method for estimating separation distance between impulse radios using impulse signal amplitude |
| 02/24/2004 | US6697628 Apparatus, and associated method, for determining geographical positioning of a mobile station operable in a radio communication system |
| 02/24/2004 | US6697300 Method and apparatus for determining the positioning of volumetric sensor array lines |
| 02/24/2004 | US6697146 Range finder for finding range by image realization |
| 02/19/2004 | WO2004016009A1 Method and system for determining relative positions of networked mobile communication devices |
| 02/19/2004 | US20040033808 Method and system for determining relative positions of networked mobile communication devices |
| 02/19/2004 | CA2495227A1 Method and system for determining relative positions of networked mobile communication devices |
| 02/12/2004 | WO2004013651A1 System for ultrasound ranging in the presence of ultrasound interference |
| 02/12/2004 | US20040030496 Global positioning system tag system |
| 02/12/2004 | US20040030249 Performing ultrasound ranging in the presence of ultrasound interference |
| 02/12/2004 | CA2493711A1 System for ultrasound ranging in the presence of ultrasound interference |
| 02/05/2004 | US20040021566 Locating system and method for determining positions of objects |
| 02/04/2004 | EP1387182A1 Locating system and method for determining position of objects |
| 02/04/2004 | EP1386412A1 Method and apparatus for code synchronisation in cdma |
| 02/03/2004 | US6686878 GPS weather data recording system for use with the application of chemicals to agricultural fields |