| Patents for G01S 11 - Systems for determining distance or velocity not using reflection or reradiation (4,179) |
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| 06/20/2012 | CN101487882B Frequency coherence within a location network |
| 06/14/2012 | WO2012076789A1 Driving aid device allowing the driver of a vehicle to check a parking area he has just left |
| 06/14/2012 | WO2012075515A1 Method and devices for determining the distance between a radio beacon and a vehicle device |
| 06/14/2012 | WO2012075514A1 Method and devices for determining the distance between a radio beacon and a vehicle device |
| 06/14/2012 | CA2796461A1 Method and devices for determining the distance between a radio beacon and a vehicle device |
| 06/14/2012 | CA2795519A1 Method and devices for determining the distance between a radio beacon and a vehicle device |
| 06/13/2012 | EP2463682A1 Method for determining the distance of a vehicle to a wireless beacon and wireless beacon for same |
| 06/13/2012 | EP2463678A1 Moving body anti-collision device and a moving body with the same |
| 06/13/2012 | EP1421405B1 Device and method of determining whether two electronic devices engaged in an electronic financial transaction are within close proximity of each other |
| 06/13/2012 | CN1981206B Positioning system using ultrasonic waves and method for controlling the same |
| 06/13/2012 | CN102495406A System and method for positioning and tracking articles |
| 06/12/2012 | USRE43463 Three-dimensional measuring apparatus and three-dimensional measuring method |
| 06/12/2012 | CA2450146C Device and method for positioning |
| 06/07/2012 | CA2755465A1 Method for determining the distance of a vehicle from a radio beacon and radio beacon for this purpose |
| 06/06/2012 | EP2461166A1 System for measuring the radial velocity of a mobile |
| 06/06/2012 | EP2459959A1 Position and orientation calibration method and apparatus |
| 06/06/2012 | EP2030041B1 Methods and systems for passive range and depth localization |
| 06/06/2012 | DE102010023340B4 Verfahren und Vorrichtung zur Abstandsmessung Method and apparatus for measuring distance |
| 06/06/2012 | DE102009060592B4 Schaltung und Verfahren zur Entfernungsmessung zwischen zwei Knoten eines Funknetzes Circuit and method for measuring distance between two nodes of a wireless network |
| 06/05/2012 | CA2441764C Methods and apparatus for mobile station location estimation |
| 05/30/2012 | EP2458390A1 Method and device for acoustic measurement slaved to speed for characterising a flow |
| 05/30/2012 | CN1932552B System and procedure for determining the instantaneous speed of an object |
| 05/30/2012 | CN101109811B Position information detection system and position information detection method |
| 05/24/2012 | WO2011153291A3 Systems and methods for indoor positioning |
| 05/23/2012 | CN102467324A 图像处理方法及应用该方法的可携式电子装置 Portable electronic device image processing method and application of the method |
| 05/23/2012 | CN102466796A 一种超站仪高精度距离测量技术 An ultra-high-precision distance measurement instrument technology station |
| 05/23/2012 | CN101655553B Electronic equipment for obtaining three-dimensional movement locus of object |
| 05/16/2012 | DE102010051213A1 Measurement device for determining distance of e.g. defective high voltage insulator in high-voltage transmission line at electricity pylon, has unit for determining distance of location of interference source from measurement device |
| 05/16/2012 | CN202221472U Distance relay |
| 05/16/2012 | CN102458923A Method and device for extending a visibility area |
| 05/16/2012 | CN102457332A 移动终端定位方法、设备和系统 Mobile terminal positioning method, apparatus and system |
| 05/10/2012 | DE102010043359A1 Lichtstrahlempfänger mit Sprachausgabe Beam Receiver with audio output |
| 05/03/2012 | WO2012057627A1 Method and system for localization in a wireless network |
| 05/03/2012 | DE102010050375A1 Anordnung zur Entstörung von akustischen Signalen bei einer Bodenschallortung Arrangement for suppression of acoustic signals in a acoustic pinpointing |
| 05/02/2012 | EP2446215A2 Method and device for measuring the muzzle velocity of a projectile or the like |
| 04/26/2012 | DE102011104230A1 Kommunikationsterminal-Positionsbestimmungsvorrichtung Communication terminal position determination device |
| 04/25/2012 | CN102426356A 距离继电器 Distance Relay |
| 04/19/2012 | WO2012048442A1 Mechanism for proximity detection based on wi-fi signals |
| 04/18/2012 | CN1578530B System and methods for determining the location dynamics of a portable computing device |
| 04/17/2012 | US8160604 Integrity monitoring in a position location system utilizing knowledge of local topography |
| 04/12/2012 | WO2012047494A1 System and method for compensating for drift in a display of a user interface state |
| 04/11/2012 | EP1320275B1 Mobile communication system and method of estimating the location of a mobile station |
| 04/11/2012 | CN101261316B 测距装置与定位装置及测距方法与定位方法 Ranging device and positioning apparatus and method for ranging and positioning method |
| 04/10/2012 | CA2601088C System and method for locating objects and communicating with the same |
| 04/05/2012 | WO2012011690A3 System and method for location-based service for navigating indoors |
| 04/04/2012 | CN102404846A 手机定位系统 Mobile Positioning System |
| 03/28/2012 | EP2432660A1 Method and device for extending a visibility area |
| 03/28/2012 | CN102395409A Systems and methods for an impact location and amplitude sensor |
| 03/22/2012 | US20120071172 Integrity monitoring in a position location system utilizing knowledge of local topography |
| 03/21/2012 | CN1979216B Method and apparatus for estimating velocity of a terminal in a wireless communication system |
| 03/15/2012 | WO2012032376A1 Signal strength profiling |
| 03/15/2012 | DE102011079052A1 Verfahren und System zur Validierung einer Fahrzeug-zu-X-Botschaft sowie Verwendung des Verfahrens Method and system for validating a vehicle-to-X-message and using the method |
| 03/15/2012 | DE102011011932A1 Navigation system for e.g. position determination of security patrol robot, has ultrasound transmitting stations positioned in surface, where ultrasonic transmission range of station is partially overlapped with that of adjacent station |
| 03/14/2012 | EP2428817A1 Motion tracking techniques for RFID tags |
| 03/14/2012 | CN202167116U 降低近视风险装置 Means to reduce the risk of myopia |
| 03/07/2012 | EP2426506A2 Method and apparatus for estimating velocity of a terminal in a wireless communication system |
| 03/07/2012 | EP2425317A2 Digital transcription system utilizing accoustical detectors having apertures with a vertical orientation relative to the work surface |
| 03/07/2012 | CN202159137U 火电厂空预器激光测距式转子间隙传感器 Empty Thermal Power Laser Ranging pre-rotor gap sensor |
| 03/01/2012 | WO2011163621A3 Leading edge detection |
| 03/01/2012 | DE102009009693B4 Vorrichtung und Verfahren zum Bestimmen eines Referenzempfangszeitpunkts eines Referenzsignals Apparatus and method for determining a reference reception timing of a reference signal |
| 02/29/2012 | EP1552322B1 Procedure for estimating a parameter of a local maxima or minima of a correlation function derived from a received signal |
| 02/29/2012 | CN102365560A A method and apparatus for ranging finding, orienting, and/or positioning of single and/or multiple devices |
| 02/29/2012 | CN101349744B Method and system for tracking and positioning downhole personnel based on Zigbee network platform |
| 02/28/2012 | US8126404 Method and device for evaluating the energy level of a radio signal |
| 02/28/2012 | US8125970 Ranging method for measuring distance between a central node and an equipment node in a beacon wireless personal area network |
| 02/22/2012 | CN102360076A Multidimensional positioning method and apparatus thereof |
| 02/22/2012 | CN101949681B 基于rs485总线信号传输延迟测量双绞线长度的系统及方法 Delay Measurement System and method for twisted-pair length rs485 bus signal transmission based on |
| 02/22/2012 | CN101194181B 用于搜索物理对象的系统和方法 System and method for searching physical objects |
| 02/16/2012 | WO2012019691A1 Method and device for determining the position of a vehicle on a carriageway and motor vehicle having such a device |
| 02/14/2012 | CA2405854C Calibration of positioning systems |
| 02/09/2012 | WO2012018672A1 Systems and methods for locating a target in a gps-denied environment |
| 02/09/2012 | DE10394295T5 Entfernungsberechnungsvorrichtung und Berechnungsprogramm Distance calculator and calculation program |
| 02/08/2012 | EP2416115A1 Method and device for determining a distance between a vehicle and a neighbouring vehicle |
| 02/01/2012 | EP2413648A1 Localisation of information and communication terminals for generating a local work and network environment in an extended virtuality with a computer system |
| 02/01/2012 | CN102341724A Hygiene monitoring and management system and method |
| 02/01/2012 | CN102338873A Method for integrally telemetering and ranging target range aircraft |
| 02/01/2012 | CN102336231A Tire pressure monitoring system (TPMS) automatic positioning method and system for vehicle |
| 02/01/2012 | CN101893645B 超声波风速风向测量装置 Ultrasonic Wind measuring device |
| 02/01/2012 | CN101540950B 在定位业务(lcs)中的速度处理 Speed positioning service (lcs) processing |
| 01/26/2012 | WO2012011690A2 System and method for location-based service for navigating indoors |
| 01/26/2012 | WO2012011624A1 System and method for indoor navigation based on a wi-fi radio map and utilizing user mobility in location estimation |
| 01/26/2012 | WO2012009780A1 System and method for detecting and locating punctiform, distributed targets |
| 01/26/2012 | DE102010031629A1 System und Verfahren zum Ermitteln einer Position eines beweglichen Objekts, Anordnung von Allgemeinbeleuchtungs-LED und Lichtsensor für eine Positionsermittlung eines beweglichen Objekts System and method for determining a position of a movable object, general lighting array of LED and light sensor for determining a position of a movable object |
| 01/26/2012 | DE102004003630B4 Verfahren und Vorrichtung zum Erfassen der Position eines mobilen Roboters Method and apparatus for detecting the position of a mobile robot |
| 01/25/2012 | CN101438186B Measuring the distance between devices |
| 01/18/2012 | CN202119906U Water wave characteristic research device based on Doppler effect |
| 01/18/2012 | CN101762812B Measuring method of airborne single-station passive positioning system on target radiation wavelength |
| 01/11/2012 | EP2404193A2 Hygiene monitoring and management system and method |
| 01/11/2012 | CN102316506A Method and equipment for determining speed range of mobile station |
| 01/05/2012 | WO2012000932A1 Method for generating a signal for measuring distance, and method and system for measuring distance between a sender and a receiver |
| 01/05/2012 | US20120004883 Activity monitoring systems and methods |
| 01/04/2012 | CN101253417B Mobile unit terminal apparatus, mobile speed determining method used therein and program thereof |
| 01/03/2012 | US8090547 Ultrasonic measuring device and ultrasonic measuring method |
| 12/29/2011 | DE102010054593A1 Kommunikationsendgerät-Lokalisierungsvorrichtung Communication terminal locator |
| 12/29/2011 | DE102010030603A1 Verfahren zum Erzeugen eines Signals zur Entfernungsmessung und Verfahren und System zur Entfernungsmessung zwischen einem Sender und einem Empfänger A method for generating a signal for distance measurement and a method and system for measuring distance between a transmitter and a receiver |
| 12/28/2011 | EP2400315A1 Travel distance detection device and travel distance detection method |
| 12/28/2011 | EP1499129B1 Object detection device, object detection server, and object detection method |
| 12/28/2011 | CN202093168U 一种校正超声波检测仪器的测试块 A method of correcting the ultrasonic testing equipment to test block |
| 12/28/2011 | CN101442542B 距离测量系统及方法 Distance measuring system and method |
| 12/28/2011 | CN101201401B 波接收设备和确定波接收的方法 Wave receiving apparatus and method for determining the received wave |