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Class Information
Number: 342/19
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 > By varying gain or blocking receiver
Description: Subject matter wherein the receiver gain is reduced or the receiver is gated off in response to being jammed.










Patents under this class:

Patent Number Title Of Patent Date Issued
8350745 Anti jamming system Jan. 8, 2013
8350746 Anti jamming system Jan. 8, 2013
7804887 Ultra-narrow bandwidth radio frequency communications link Sep. 28, 2010
7475273 Hybrid parallel/serial bus interface Jan. 6, 2009
7411539 Method for detecting the presence of radar signal emitters, an electronic support measures unit and a system for determining the position and identity of said emitters Aug. 12, 2008
7250899 GPS receiver with improved immunity to collocated transmissions and method therefor Jul. 31, 2007
6861977 Agile PRT deconvolution method and systems, and its uses Mar. 1, 2005
6768444 Method of interference suppression in a radar system Jul. 27, 2004
6748351 Modular covert remote electronic warfare simulator Jun. 8, 2004
6650270 Radar system Nov. 18, 2003
6486824 Tracking radar receiver Nov. 26, 2002
6473596 Close proximity transmitter interference limiting Oct. 29, 2002
6420995 Radar and IFF system Jul. 16, 2002
6323806 Antenna system and method for operating an antenna system Nov. 27, 2001
6317072 Multiple source jamming signal cancellation system Nov. 13, 2001
6141371 Jamming suppression of spread spectrum antenna/receiver systems Oct. 31, 2000
6133866 Method of operating monopulse radar Oct. 17, 2000
5940033 Apparatus, methods and computer program for evaluating multiple null forming antenna processors and jammers Aug. 17, 1999
5657020 Diode detector logarithmic receiver Aug. 12, 1997
5541603 Reduced radar cross-section RF seeker front-end Jul. 30, 1996
5495253 Soliton rejection filter Feb. 27, 1996
5442365 Technique for processing interference-contaminated radar energy Aug. 15, 1995
5440308 Apparatus and method for employing adaptive interference cancellation over a wide bandwidth Aug. 8, 1995
5424674 Wide dynamic range detection circuit Jun. 13, 1995
5363104 Jamming signal cancellation system Nov. 8, 1994
5355091 Apparatus for real time interference signal rejection Oct. 11, 1994
5311192 Polarization ECCM technique for radar systems May. 10, 1994
5307069 Improved radar receiver system Apr. 26, 1994
5259030 Antijam improvement method and apparatus Nov. 2, 1993
5173701 Radar apparatus with jamming indicator and receiver device with jamming indicator Dec. 22, 1992
4965581 Real-time rejection circuit to automatically reject multiple interfering hopping signals while passing a lower level desired signal Oct. 23, 1990
4903032 Method and device for protection against a jammer in a radio station comprising several change-over antennas and their use for the making of radiogoniometers Feb. 20, 1990
4891647 Method and a device for reducing the power of jamming signals received by the secondary lobes of a random frequency radar antenna Jan. 2, 1990
4688042 Short pulse receiver with anti-jam capability Aug. 18, 1987
4573052 Method and device for reducing the power of jamming signals received by the sidelobes of a radar antenna Feb. 25, 1986
4544926 Adaptive jamming-signal canceler for radar receiver Oct. 1, 1985
4213128 Method for decreasing the jamming susceptibility of short range interrogators Jul. 15, 1980
4122452 Jamming signal cancellation system Oct. 24, 1978
4114152 Pulse radar apparatus with integration device Sep. 12, 1978
4092645 Radar jammer homing circuit May. 30, 1978
3981012 Random frequency radar systems Sep. 14, 1976











 
 
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