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Class Information
Number: 342/127
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Determining distance > Phase comparison
Description: Subject matter including determining distance by comparing the phase of the transmitted radar with the returned radar carried signal.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8693600 Phase excursion/carrier wave frequency excursion compensation device and method Apr. 8, 2014
8665139 Distance measuring apparatus and distance measuring method Mar. 4, 2014
8643538 Near field electromagnetic location system and method Feb. 4, 2014
8624774 Method and system of locating objects Jan. 7, 2014
8620344 Location-based application program management Dec. 31, 2013
8537050 Identification and analysis of source emissions through harmonic phase comparison Sep. 17, 2013
8537014 RFID tag movement determination Sep. 17, 2013
8487810 Integrated and configurable radar system Jul. 16, 2013
8446254 Methods and apparatuses for RFID tag range determination May. 21, 2013
8362788 Double piston rod Jan. 29, 2013
8358235 Wireless sensor device Jan. 22, 2013
8354951 Short baseline helicopter positioning radar for low visibility Jan. 15, 2013
8340686 Positioning systems Dec. 25, 2012
8305258 Radar device Nov. 6, 2012
8299936 Method and apparatus for establishing low frequency/ultra low frequency and very low frequency communications Oct. 30, 2012
8279112 Methods and apparatuses for RFID tag range determination Oct. 2, 2012
8260319 Wireless transceiver Sep. 4, 2012
8212715 Modular radar system Jul. 3, 2012
8188908 System and method for measurement of distance to a tag by a modulated backscatter RFID reader May. 29, 2012
8183981 Passive tag with oscillator circuit and frequency identification system utilizing the same May. 22, 2012
8174434 Method and device for determining a distance to a target object May. 8, 2012
8159344 Microwave motion detectors utilizing multi-frequency ranging and target angle detection Apr. 17, 2012
8131224 Delay, gain and phase estimation for measurement receivers Mar. 6, 2012
8115672 Method of measuring distance, notably for short-range radar Feb. 14, 2012
8094061 Multiband transceiver and positioning system using the transceiver Jan. 10, 2012
8054216 Radar device and target angle detection method Nov. 8, 2011
8044843 Method and device for contactless level and interface detection Oct. 25, 2011
7986270 Clock phase ranging methods and systems Jul. 26, 2011
7928897 Target detection method for use in radar and radar device using the target detection method Apr. 19, 2011
7924217 High sensitivity frequency modulated radar level gauge system Apr. 12, 2011
7903022 Distance measuring apparatus, distance measuring method, reflector, and communication system Mar. 8, 2011
7898456 Apparatus and method for detecting and locating hidden objects Mar. 1, 2011
7898460 Radar target detecting method, and apparatus using the target detecting method Mar. 1, 2011
7884756 Radar apparatus Feb. 8, 2011
7868817 Radar system for obstacle avoidance Jan. 11, 2011
7864105 Distance measuring apparatus and distance measuring method Jan. 4, 2011
7852256 Through the-wall motion detector with improved antenna Dec. 14, 2010
7791528 Method and apparatus for radar signal processing Sep. 7, 2010
7764221 Apparatus and method for determination of a direction to an object Jul. 27, 2010
7688255 Electronic scanning radar apparatus Mar. 30, 2010
7688253 Method and processor for reduced ambiguity resolution matrix for interferometric angle determination Mar. 30, 2010
7667637 System and method for radar detection of an object Feb. 23, 2010
7663535 System and method to position register and phase synchronize a monitoring network Feb. 16, 2010
7663530 System and method for monitoring targets Feb. 16, 2010
7663537 Target detecting apparatus using electronically agile radar Feb. 16, 2010
7649466 Localization system and method for localizing objects or animals using such a localization system Jan. 19, 2010
7649467 System and method for localizing sports equipment Jan. 19, 2010
7649491 Distance measuring apparatus, distance measuring method, reflector and communication system Jan. 19, 2010
7639178 System and method for detecting receivers Dec. 29, 2009
7605744 Method for extension of unambiguous range and velocity of a weather radar Oct. 20, 2009

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