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Class Information
Number: 342/37
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)
Description: Subject matter including a radar beacon-transponder means to maintain cognizance or to regulate the paths of selected vehicles within a selected area such as an airport terminal area or air route.

Sub-classes under this class:

Class Number Class Name Patents
342/38 With altitude information 45
342/40 With defruiting or degarbling 56
342/39 With side lobe suppression 28

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8681040 System and method for aiding pilots in resolving flight ID confusion Mar. 25, 2014
8674872 Method for increasing the time for illumination of targets by a secondary surveillance radar Mar. 18, 2014
8604965 Apparatus and method to generate and detect virtual targets Dec. 10, 2013
8599060 Clutter reduction in detection systems Dec. 3, 2013
8497798 Device and method for three-dimensional positioning 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
8362943 Radar registration using targets of opportunity Jan. 29, 2013
8259000 Reply detection in a secondary surveillance radar Sep. 4, 2012
8248294 Method for protecting location privacy of air traffic communications Aug. 21, 2012
8232913 Multilateration system and method Jul. 31, 2012
8190353 Airspace design evaluation May. 29, 2012
8149154 System, method, and software for performing dual hysteresis target association Apr. 3, 2012
8138964 Tracking air and ground vehicles Mar. 20, 2012
8138967 Multilateration system and method Mar. 20, 2012
8130135 Bi-static radar processing for ADS-B sensors Mar. 6, 2012
8102300 Secondary surveillance radar Jan. 24, 2012
8102301 Self-configuring ADS-B system Jan. 24, 2012
8054215 Precision registration for radar Nov. 8, 2011
8004452 Methods and apparatus for coordinating ADS-B with mode S SSR and/or having single link communication Aug. 23, 2011
7936300 Method for reducing multipath propagation effects during the processing of replies in mode "S" May. 3, 2011
7929802 Method and apparatus for registration and vector extraction of SAR images based on an anisotropic diffusion filtering algorithm Apr. 19, 2011
7898467 Method and device for simulating radio navigation instruments Mar. 1, 2011
7893863 Enhanced aircraft transponder reliability Feb. 22, 2011
7880667 Methods and apparatus for using interferometry to prevent spoofing of ADS-B targets Feb. 1, 2011
7876259 Automatic dependent surveillance system secure ADS-S Jan. 25, 2011
7855675 Method and device for detecting an environning aircraft Dec. 21, 2010
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
7786900 Method of aiding navigation for aircraft in an emergency situation Aug. 31, 2010
7746268 Mode S secondary surveillance radar Jun. 29, 2010
7719459 Secondary radar message decoding May. 18, 2010
7698025 Integrating communication and surveillance Apr. 13, 2010
7688250 Method for pre-detecting responses in a secondary radar or application to the detection of mode S responses Mar. 30, 2010
7683823 DME ground apparatus Mar. 23, 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
7616149 Methods and apparatus for radar time sensor Nov. 10, 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
7570195 High-capacity location and identification system for cooperating mobiles with frequency agile and time division transponder device on board Aug. 4, 2009
7567203 Classification system for radar and sonar applications Jul. 28, 2009
7501977 Mode S radar Mar. 10, 2009
7495600 Airfield surface target detection and tracking using distributed multilateration sensors and W-band radar sensors Feb. 24, 2009
7495602 Single air traffic control (ATC) operator interface Feb. 24, 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
7430415 Real-time programming of electronic radio system resource assets Sep. 30, 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

1 2 3 4

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