| Patents for G01S 11 - Systems for determining distance or velocity not using reflection or reradiation (4,179) |
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| 06/12/2013 | CN101793959B Transmitter-receiver circuit and method for distance measurement between two nodes |
| 06/11/2013 | US8462586 Direction controllable lighting unit with ultrasound |
| 06/11/2013 | CA2450973C A method for tracking particles and life forms in three dimensions and in time |
| 06/06/2013 | WO2013079224A1 Process for the determination of a position change or respectively resting and/or speed of an object |
| 06/06/2013 | WO2012048442A8 Mechanism for proximity detection based on wi-fi signals |
| 06/06/2013 | DE102011087839A1 Method for detecting moving object in environment of motor car, involves transmitting and receiving acoustic signals in transmission and receiving mode and evaluating position and movement of moving object based on noise signals |
| 06/05/2013 | CN103135104A Prompter for ultrasonic height position of night team parachuting |
| 06/05/2013 | CN103135103A Method of conducting positioning on item with radio frequency tag |
| 06/04/2013 | US8457876 Global positioning tag system and method |
| 05/30/2013 | WO2013041939A8 Sound source detection system |
| 05/29/2013 | EP2597421A1 Stereo distance measurement apparatus and stereo distance measurement method |
| 05/29/2013 | CN103123394A Method and system for setting threshold value of proximity sensor |
| 05/28/2013 | US8451691 Method and apparatus for detecting a launch position of a projectile |
| 05/23/2013 | DE4447788B4 Verfahren zum Steuern der Verschlußgeschwindigkeit einer stereoskopischen Abbildungsvorrichtung, insbesondere bei einem System zur Abstandserkennung A method for controlling the shutter speed of a stereoscopic imaging device, in particular in a system for proximity detection |
| 05/22/2013 | CN103119470A System and method for location-based service for navigating indoors |
| 05/22/2013 | CN101855570B Wireless communication device, wireless communication system, program, and wireless communication method |
| 05/16/2013 | WO2013070171A1 Method and apparatus for calibrating a motion tracking system |
| 05/16/2013 | WO2013068095A1 Distance estimation |
| 05/15/2013 | EP2592433A1 Distance estimation |
| 05/15/2013 | CN202939306U Vehicle-speed measurement device |
| 05/15/2013 | CN103109203A Method for generating a signal for measuring distance, and method and system for measuring distance between a sender and a receiver |
| 05/15/2013 | CN103109160A Method and device for determining the position of a vehicle on a carriageway and motor vehicle having such a device |
| 05/10/2013 | WO2013066260A2 Method and apparatus for estimating speed of a mobile terminal |
| 05/08/2013 | EP2590041A2 Target-following vehicle |
| 05/08/2013 | DE102011118077A1 Überwachung der Hochfrequenzumgebungsparameter mittels drahtlosen Netzwerks in einem Flugzeug Monitoring of the radio frequency environment parameters using wireless network in an aircraft |
| 05/08/2013 | CN103097905A Systems and methods for indoor positioning |
| 05/08/2013 | CN103091670A Radio frequency identification device (RFID)-subscriber identity module (SIM) mobile communication system and method of distance judgment of RFID-SIM mobile communication |
| 05/08/2013 | CN101855569B Radio communication device, voice data reproducing method, and program |
| 05/01/2013 | EP2585848A1 Method for generating a signal for measuring distance, and method and system for measuring distance between a sender and a receiver |
| 05/01/2013 | CN103076804A Automatic guide vehicle, automatic guide system and navigation method based on ultrasonic range finder |
| 05/01/2013 | CN103076604A Method for measuring distance of low-frequency underwater sound pulse signal on basis of frequency dispersion features |
| 05/01/2013 | CN101592727B Autonomous indoor ultrasonic locating system, device and method |
| 04/30/2013 | US8433509 Position determination apparatus and method |
| 04/30/2013 | DE202011110280U1 Türsprechanlage Door Phone |
| 04/24/2013 | CN202904009U System for realizing relative positioning of object by using radio frequency technology and ultrasound technology |
| 04/24/2013 | CN103064078A The method used for measuring distances of moving target on ground by acoustic shock compound sensor |
| 04/24/2013 | CN102360076B Multidimensional positioning method and apparatus thereof |
| 04/23/2013 | US8427905 Optimum pseudo random sequence determining method, position detection system, position detection method, transmission device and reception device |
| 04/11/2013 | DE102011054379A1 Method for determining position information of mobile vehicle e.g. unmanned aircraft, involves calculating relative movement of vehicle based on determined feature movement and self-determined relative movement information |
| 04/11/2013 | DE102008016618B4 Funkkommunikationsanordnung, Verfahren zur Abstands-Messung und Abstandmessungverwaltungsschaltkreis Wireless communication device, method for distance measurement and distance measurement management circuit |
| 04/10/2013 | EP2577346A2 Systems and methods for indoor positioning |
| 04/10/2013 | EP2577227A1 Method of determining an arrangement of a portable communication device within a coordinate system of a vehicle, corresponding computing unit and portable communication device |
| 04/03/2013 | EP2575332A1 Method for transferring data between two devices |
| 04/03/2013 | CN202854333U Comprehensive property detection equipment of laser distance measuring machine |
| 04/03/2013 | CN103018742A Anti-collision protection method for object in moving state |
| 03/28/2013 | WO2013041939A1 Sound source detection system |
| 03/28/2013 | WO2013041408A1 Method for determining distance between underwater acoustic devices |
| 03/28/2013 | WO2012166015A3 Method and means for locating a radio centre |
| 03/27/2013 | CN101965047B Method and device for detecting speed of mobile terminal |
| 03/27/2013 | CN101798888B Portable device for vehicle |
| 03/27/2013 | CN101663594B Driver assistance system and method for determining the plausibility of objects |
| 03/26/2013 | US8407000 Image augmented inertial navigation system (IAINS) and method |
| 03/21/2013 | US20130069829 Method and devices for determining the distance between a radio beacon and an onboard unit |
| 03/20/2013 | CN202815216U Intelligent ultrasonic distance-measuring system |
| 03/20/2013 | CN102985840A Robust ultrasonic indoor positioning system with high accuracy |
| 03/20/2013 | CN102981159A Ultrasonic wave range-measurement system based on time difference of arrival (TDOA) |
| 03/20/2013 | CN102981158A 虚拟墙系统及其方法 The virtual wall system and method |
| 03/20/2013 | CN102981157A Real time passive ranging method of shallow sea target |
| 03/20/2013 | CN102975662A Ultrasonic wave reversing radar system based on time difference of arrival (TDOA) |
| 03/14/2013 | US20130063600 Vision system for vehicle |
| 03/13/2013 | CN102967807A Insulation defect locating method |
| 03/07/2013 | US20130059600 Short range rf monitoring system |
| 03/07/2013 | US20130059539 Short range rf monitorning system |
| 03/06/2013 | EP2566151A1 Image pickup device and rangefinder device |
| 03/06/2013 | EP2564234A1 Range measurement using a coded aperture |
| 03/06/2013 | EP2564233A1 Method and devices for determining the distance between a radio beacon and a vehicle device |
| 03/06/2013 | EP2564232A1 Method and devices for determining the distance between a radio beacon and a vehicle device |
| 03/06/2013 | CN102959428A Method and devices for determining the distance between radio beacon and vehicle device |
| 02/28/2013 | DE102011081363A1 Method for determining information about relative velocity between e.g. passenger car and pedestrian, involves determining change of frequency of light to determine information about relative velocity between vehicle and object |
| 02/27/2013 | EP2562557A1 Positioning device and positioning method |
| 02/27/2013 | CN101900811B Passive distance measurement method based on single hydrophone |
| 02/13/2013 | EP2557433A1 Indoor positioning with rake receivers |
| 02/13/2013 | CN102933979A Method for determining the distance of a vehicle to a wireless beacon and apparatus for same |
| 02/13/2013 | CN102928832A Remote laser distance measuring system based on high-speed pseudo-random code modulation and photon counting |
| 02/13/2013 | CN101925833B Radio communication device, program, radio communication method, and radio communication system |
| 02/05/2013 | US8369873 Method for determining A change in A communication signal and using this information to improve SPS signal reception and processing |
| 01/31/2013 | DE102011108579A1 System for transferring information of e.g. toy robot, has computer that controls luminosity, color and spectral distribution of light source which generates detectable electromagnetic radiation e.g. infrared radiation or visible light |
| 01/30/2013 | EP2550542A2 Robust ultrasonic indoor positioning system with high accuracy |
| 01/30/2013 | CN202710750U Piezoelectric type ultrasonic ranging system |
| 01/30/2013 | CN102253379B System for monitoring landslide based on radio interference technology |
| 01/23/2013 | EP2549457A1 Vehicle-mounting vehicle-surroundings recognition apparatus and vehicle-mounting vehicle-surroundings recognition system |
| 01/23/2013 | EP2549291A1 Calculator, system, method and computer program for obtaining one or more motion parameters of a target |
| 01/23/2013 | CN102338873B Method for integrally telemetering and ranging target range aircraft |
| 01/23/2013 | CN101828129B Ultrasonic wave propagation time measuring system |
| 01/19/2013 | CA2783491A1 Calculator, system, method and computer program for obtaining one or more motion parameters of a target |
| 01/17/2013 | DE102011107164A1 Verfahren und System zur Ortung einer momentanen Position oder eines Einkoppelorts einer mobilen Einheit mittels Leckwellenleiters Method and system for locating a current position or a Einkoppelorts a mobile unit via leaky feeder |
| 01/16/2013 | EP2545394A1 Touch-sensitive sensor |
| 01/10/2013 | WO2013004284A1 A method and node for localizing a node in a wireless network |
| 01/10/2013 | CA2841031A1 A method and node for localizing a node in a wireless network |
| 01/08/2013 | US8352211 Activity monitoring systems and methods |
| 01/03/2013 | WO2012104733A3 System and method for determining location and orientation of a device in-vivo |
| 01/02/2013 | EP2541258A1 Method of and device for capturing 3D data of one or more airborne particles |
| 01/02/2013 | CN102859389A Range measurement using a coded aperture |
| 01/02/2013 | CN102857857A Loudspeaker box channel matching method of multi-channel wireless audio system |
| 01/02/2013 | CN102854500A Unidirectional wireless ranging method and unidirectional wireless ranging device for vehicles |
| 01/02/2013 | CN101846735B Method and apparatus for precise relative positioning in multiple vehicles |
| 12/26/2012 | CN102841345A Electronic device, positioning method, positioning system, computer program product, and computer-readable recording medium |
| 12/26/2012 | CN102841344A Method for estimating parameters of near-field broadband signal resources by utilizing less array elements |
| 12/26/2012 | CN101924594B Method for judging radio testing environment under the condition of external field |
| 12/19/2012 | CN202616600U A human body dodging device used for a laser |