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Class Information
Number: 342/17
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Radar ew (electronic warfare) > Eccm (electronic counter-countermeasures, i.e., antijamming) > Radar reacts to jamming
Description: Subject matter wherein a radar system being interfered with changes its mode of operation in response to the interference.

Sub-classes under this class:

Class Number Class Name Patents
342/18 By changing frequency 33
342/19 By varying gain or blocking receiver 41

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8615190 System and method for allocating jamming energy based on three-dimensional geolocation of emitters Dec. 24, 2013
8612239 Apparatus and method for coding audio data based on input signal distribution characteristics of each channel Dec. 17, 2013
8559865 Method and apparatus for providing jammer detection in a receiver Oct. 15, 2013
8299955 Method for cleaning signals for centralized antijamming Oct. 30, 2012
8185256 Threat prioritization using engagement timeline May. 22, 2012
8164308 Apparatus and method for capturing cosmic background radiation and converting the same to electricity Apr. 24, 2012
8026839 Selective-sampling receiver Sep. 27, 2011
7843376 Cross-eye jamming detection and mitigation Nov. 30, 2010
7702291 Radar detection from pulse record with interference Apr. 20, 2010
7561113 Antenna system for level measurement with radar level measurement devices Jul. 14, 2009
7509217 Vehicle detector and vehicle detecting method Mar. 24, 2009
7379708 Mobile receiver May. 27, 2008
7317427 Adaptive array Jan. 8, 2008
6867726 Combining sidelobe canceller and mainlobe canceller for adaptive monopulse radar processing Mar. 15, 2005
6861977 Agile PRT deconvolution method and systems, and its uses Mar. 1, 2005
6839017 Method and apparatus for using anti-jam technology to determine the location of an electromagnetic radiation source Jan. 4, 2005
6768444 Method of interference suppression in a radar system Jul. 27, 2004
6748351 Modular covert remote electronic warfare simulator Jun. 8, 2004
6731233 Method of suppressing jammer signals May. 4, 2004
6717543 Radar device for object self-protection Apr. 6, 2004
6697009 Adaptive digital beamforming architecture for target detection and angle estimation in multiple mainlobe and sidelobe jamming Feb. 24, 2004
6674390 Shipboard point defense system and elements therefor Jan. 6, 2004
6661366 Adaptive digital sub-array beamforming and deterministic sum and difference beamforming, with jamming cancellation and monopulse ratio preservation Dec. 9, 2003
6653969 Dispersive jammer cancellation Nov. 25, 2003
6653973 Adaptive digital beamforming radar method and system for maintaining multiple source angle super-resolution capability in jamming Nov. 25, 2003
6650271 Signal receiver having adaptive interfering signal cancellation Nov. 18, 2003
6650270 Radar system Nov. 18, 2003
6580392 Digital beamforming for passive detection of target using reflected jamming echoes Jun. 17, 2003
6538597 Radar system having spoofer, blanker and canceler Mar. 25, 2003
6518912 Signal processing circuit Feb. 11, 2003
6486824 Tracking radar receiver Nov. 26, 2002
6480139 Jammer counting using cholesky factor diagonal elements Nov. 12, 2002
RE37877 Electronic counter measures in radar Oct. 15, 2002
6420995 Radar and IFF system Jul. 16, 2002
6369746 Simultaneous nulling in low sidelobe sum and difference antenna beam patterns Apr. 9, 2002
6317072 Multiple source jamming signal cancellation system Nov. 13, 2001
6313782 Coded phase modulation communications system Nov. 6, 2001
6297772 Predicting coherent sidelobe canceller Oct. 2, 2001
6295017 Jammer detection and tracking system Sep. 25, 2001
6268821 Multiple band sidelobe canceller Jul. 31, 2001
6252537 Air-to-air guidance system and method of operating same Jun. 26, 2001
6141371 Jamming suppression of spread spectrum antenna/receiver systems Oct. 31, 2000
6133866 Method of operating monopulse radar Oct. 17, 2000
6133865 CW converter circuit Oct. 17, 2000
6124828 Anti-jamming array antenna Sep. 26, 2000
6121914 Sidelobe canceller with correlation signal weight sampling during transient Sep. 19, 2000
6114983 Electronic counter measures in radar Sep. 5, 2000
6100838 Multiple source jamming signal cancellation system Aug. 8, 2000
6084540 Determination of jammer directions using multiple antenna beam patterns Jul. 4, 2000
6043770 Statistical inference of electromagnetic interference sources based on a priori knowledge of source and receiver parameters Mar. 28, 2000

1 2 3

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