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Class Information
Number: 342/123
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Determining distance > Height finder
Description: Subject matter including determining the distance from the earth"s surface to an aircraft from the ground.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8704702 Method for estimating an object motion characteristic from a radar signal, a computer system and a computer program product Apr. 22, 2014
8659470 Apparatus for estimating the height at which a target flies over a reflective surface Feb. 25, 2014
8659471 Systems and methods for generating aircraft height data and employing such height data to validate altitude data Feb. 25, 2014
8558734 Three dimensional radar antenna method and apparatus Oct. 15, 2013
8477063 System and method for obstacle detection and warning Jul. 2, 2013
8457872 Method for managing the flight of an aircraft Jun. 4, 2013
8446262 Remote control system and method May. 21, 2013
8432309 Automotive radar system and method for using same Apr. 30, 2013
8378885 Device and method for locating a mobile approaching a surface reflecting electromagnetic waves Feb. 19, 2013
8305258 Radar device Nov. 6, 2012
8305257 Method and apparatus for coherent marine radar measurements of properties of ocean waves and currents Nov. 6, 2012
8159387 Multi-transmitter interferometry Apr. 17, 2012
8149158 Device for estimating information on target object Apr. 3, 2012
7994964 Method for determining the position, notably in terms of elevation, of a target flying at very low altitude Aug. 9, 2011
7924210 System, method, and apparatus for remote measurement of terrestrial biomass Apr. 12, 2011
7868817 Radar system for obstacle avoidance Jan. 11, 2011
7864103 Device and method for 3D height-finding avian radar Jan. 4, 2011
7830302 Remote sensing of wave heights using a narrowband radar arrangement Nov. 9, 2010
7818115 Procedure for determining a navigation solution of a navigation system with a Terrain Navigation Module, as well as a navigation system Oct. 19, 2010
7808426 Remote sensing of wave heights using a broadband radar arrangement Oct. 5, 2010
7688254 Display of high-cruise-altitude weather Mar. 30, 2010
7675461 System and method for displaying radar-estimated terrain Mar. 9, 2010
7639175 Method and apparatus for estimating terrain elevation using a null response Dec. 29, 2009
7633429 Monopulse radar signal processing for rotorcraft brownout aid application Dec. 15, 2009
7605748 Filling level radar frequency converter Oct. 20, 2009
7592945 Method of estimating target elevation utilizing radar data fusion Sep. 22, 2009
7495580 Arrangement for locating a parked vehicle Feb. 24, 2009
7486228 Methods and systems for piecewise curve fitting or radar altimeter range gate data Feb. 3, 2009
7417583 Methods and apparatus for providing target altitude estimation in a two dimensional radar system Aug. 26, 2008
7414566 System for monitoring airport area Aug. 19, 2008
7379016 Carrier phase detection system for radar sensors May. 27, 2008
7330147 System and method for ground proximity warning with enhanced obstacle depiction Feb. 12, 2008
7307577 Storm top detection Dec. 11, 2007
7304601 Device and a method for accurate radar level gauging Dec. 4, 2007
7295150 Methods and systems for identifying high-quality phase angle measurements in an interferometric radar system Nov. 13, 2007
7265710 Multipath height finding method Sep. 4, 2007
7239265 Method for evaluating and controlling a radar installation Jul. 3, 2007
7218268 Self-calibrating interferometric synthetic aperture radar altimeter May. 15, 2007
7167126 Radar system and method for determining the height of an object Jan. 23, 2007
7148837 System and method for ground proximity warning with enhanced obstacle depiction Dec. 12, 2006
7130449 Method and system for ground imaging Oct. 31, 2006
7064703 Methods and apparatus for randomly modulating radar altimeters Jun. 20, 2006
7038615 Efficient technique for estimating elevation angle when using a broad beam for search in a radar May. 2, 2006
6980153 Radar altimeter for helicopter load carrying operations Dec. 27, 2005
6933879 Method and system for localizing a target in an interrogation-response system Aug. 23, 2005
6911932 Two antenna, two pass interferometric synthetic aperture radar Jun. 28, 2005
6864830 Device and method for alert and density altitude features in a transponder Mar. 8, 2005
6819285 Monopulse radar system for determining the height of a target Nov. 16, 2004
6795014 Method and apparatus for detecting vehicle distance Sep. 21, 2004
6791488 Method and apparatus for measuring ground height Sep. 14, 2004

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