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Class Information
Number: 342/38
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Air traffic control > Secondary surveilance radar (ssr) or air traffic control radar beacon system (atcrbs) > With altitude information
Description: Subject matter wherein the transponder signal includes information about the vertical distance of an aircraft or other object above a given reference plane such as the ground or sea.










Patents under this class:

Patent Number Title Of Patent Date Issued
8497798 Device and method for three-dimensional positioning Jul. 30, 2013
8498758 ILS-based altitude data generation system, device, and method Jul. 30, 2013
8400347 Device and method for monitoring the location of aircraft on the ground Mar. 19, 2013
8374733 Transportation information management system Feb. 12, 2013
8374737 Low visibility landing system and method Feb. 12, 2013
8321074 Altitude data generation system, device, and method Nov. 27, 2012
8232913 Multilateration system and method Jul. 31, 2012
8138967 Multilateration system and method Mar. 20, 2012
8054215 Precision registration for radar Nov. 8, 2011
RE42891 3D AIME.TM. aircraft navigation Nov. 1, 2011
8004452 Methods and apparatus for coordinating ADS-B with mode S SSR and/or having single link communication Aug. 23, 2011
7994964 Method for determining the position, notably in terms of elevation, of a target flying at very low altitude Aug. 9, 2011
7868813 Multi-use bearing and range line Jan. 11, 2011
7786900 Method of aiding navigation for aircraft in an emergency situation Aug. 31, 2010
7761197 Method and device for detecting air turbulence in the environment of an aircraft Jul. 20, 2010
7746268 Mode S secondary surveillance radar Jun. 29, 2010
7612705 Mode S radar Nov. 3, 2009
7570178 Traffic display Aug. 4, 2009
7501977 Mode S radar Mar. 10, 2009
7414566 System for monitoring airport area Aug. 19, 2008
7301497 Stereo display for position sensing systems Nov. 27, 2007
6711478 Receiver-autonomous vertical integrity monitoring Mar. 23, 2004
6604028 Vertical motion detector for air traffic control Aug. 5, 2003
6600442 Precision approach radar system having computer generated pilot instructions Jul. 29, 2003
6359583 Ground based millimeter wave imaging system Mar. 19, 2002
6266583 System and method for improving the accuracy of pressure altitude determinations in an inertial navigation system Jul. 24, 2001
6094607 3D AIME.TM. aircraft navigation Jul. 25, 2000
6085147 System for determination of optimal travel path in a multidimensional space Jul. 4, 2000
5940035 Method for calibrating aircraft altitude sensors Aug. 17, 1999
5703591 Aircraft N-number control system Dec. 30, 1997
5463398 Method and apparatus for multiple reply rejection when decoding transponder replay signals Oct. 31, 1995
5402116 Atmospheric pressure calibration systems and methods Mar. 28, 1995
5363109 Method of correcting measurement errors caused by clock deviations in a secondary radar system Nov. 8, 1994
5321406 Method of track merging in an aircraft tracking system Jun. 14, 1994
5252978 Collision warning system Oct. 12, 1993
5089822 Interrogation signal processor for air traffic control communications Feb. 18, 1992
4990921 Multi-mode microwave landing system Feb. 5, 1991
4970518 Air traffic control radar beacon system multipath reduction apparatus and method Nov. 13, 1990
4454510 Discrete address beacon, navigation and landing system (DABNLS) Jun. 12, 1984
4293857 Collision avoidance warning system Oct. 6, 1981
4197538 Pilot's traffic monitoring system Apr. 8, 1980
4161729 Beacon add-on subsystem for collision avoidance system Jul. 17, 1979
4060805 Integrated terminal area surveillance system Nov. 29, 1977
4050069 Transponder based landing system Sep. 20, 1977
4027307 Collision avoidance/proximity warning system using secondary radar May. 31, 1977











 
 
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