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Class Information
Number: 342/32
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Aircraft collision avoidance system (cas) > With transponder > Included in secondary surveilance radar (ssr) or air traffic control radio beacon system (atcrbs)
Description: Subject matter wherein the transponder means are part of a secondary surveillance radar (SSR) or an air traffic control radio beacon system (ATCRBS).

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8681040 System and method for aiding pilots in resolving flight ID confusion Mar. 25, 2014
8497798 Device and method for three-dimensional positioning Jul. 30, 2013
8462041 Device for receiving secondary radio signals with quasi-dynamic or dynamic sectoring of the space to be monitored and corresponding method Jun. 11, 2013
8378843 System and method to provide value added services in an asset network Feb. 19, 2013
8362943 Radar registration using targets of opportunity Jan. 29, 2013
8275495 Method and device for monitoring the ability to navigate of an aircraft during a phase of flight close to the ground Sep. 25, 2012
8248294 Method for protecting location privacy of air traffic communications Aug. 21, 2012
8190304 Automatic configuration-tracking apparatus, and a method and a system for such tracking May. 29, 2012
8138964 Tracking air and ground vehicles Mar. 20, 2012
8130135 Bi-static radar processing for ADS-B sensors Mar. 6, 2012
8120525 Systems and methods for obtaining aircraft state data from multiple data links Feb. 21, 2012
8102300 Secondary surveillance radar Jan. 24, 2012
7979200 Managing an air-ground communications network with air traffic control information Jul. 12, 2011
7965227 Aircraft tracking using low cost tagging as a discriminator Jun. 21, 2011
7936300 Method for reducing multipath propagation effects during the processing of replies in mode "S" May. 3, 2011
7920086 Display for displaying compressed video Apr. 5, 2011
7880667 Methods and apparatus for using interferometry to prevent spoofing of ADS-B targets Feb. 1, 2011
7847722 Secondary surveillance radar and method of analyzing replies for secondary surveillance radar Dec. 7, 2010
7786922 Systems and methods employing active TCAS to enhance situational awareness Aug. 31, 2010
7756637 Methods and systems for displaying electronic enroute maps Jul. 13, 2010
7733903 Text transcriptions for voice communications Jun. 8, 2010
7710308 Mode S secondary surveillance radar system May. 4, 2010
7688250 Method for pre-detecting responses in a secondary radar or application to the detection of mode S responses Mar. 30, 2010
7663531 Secondary surveillance radar system, and ground system for use therein Feb. 16, 2010
7619557 Method and device for filtering a video signal received by a secondary radar, particularly in order to eliminate mode S replies Nov. 17, 2009
7612705 Mode S radar Nov. 3, 2009
7598905 Systems and methods for monitoring transponder performance Oct. 6, 2009
7570194 High precision surveillance system by means of multilateration of secondary surveillance radar (SSR) signals Aug. 4, 2009
7501977 Mode S radar Mar. 10, 2009
7495612 Method and apparatus to improve ADS-B security Feb. 24, 2009
7492307 Collision risk prevention equipment for aircraft Feb. 17, 2009
7479919 Surface vehicle transponder Jan. 20, 2009
7471235 Mode S transponder transmission signal decoder and mode S transponder transmission signal decoding method Dec. 30, 2008
7429950 Method and apparatus to extend ADS performance metrics Sep. 30, 2008
7423590 Method and apparatus for improving ADS-B security Sep. 9, 2008
7420501 Method and system for correlating radar position data with target identification data, and determining target position using round trip delay data Sep. 2, 2008
7408497 Method and device for determining a reference value of a response, in particular of a mode S response received by a secondary radar Aug. 5, 2008
7408498 Secondary surveillance radar and its interrogation transmission method Aug. 5, 2008
7391359 Mode S transponder transmission signal decoder and Mode S transponder transmission signal decoding method Jun. 24, 2008
7352318 Method and system for real time pulse processing in ATCRBS/Mode-S transponders Apr. 1, 2008
7256728 Aircraft avoidance system for prohibiting an aircraft from entering an exclusion zone Aug. 14, 2007
7212917 Tracking, relay, and control information flow analysis process for information-based systems May. 1, 2007
7196638 Embedded digitization system Mar. 27, 2007
7170441 Target localization using TDOA distributed antenna Jan. 30, 2007
7095360 Secondary surveillance radar system, ground equipment for use therein, and response signal checking method applied thereto Aug. 22, 2006
7015856 Device and method for SPR detection in a Mode-S transponder Mar. 21, 2006
7006032 Integrated traffic surveillance apparatus Feb. 28, 2006
6985103 Passive airborne collision warning device and method Jan. 10, 2006
6856274 Device and method for SPR detection in a Mode-S transponder Feb. 15, 2005
6819282 Super-resolution processor/receiver to discriminate superimposed secondary surveillance radar (SSR) replies and squitter Nov. 16, 2004

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