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Class Information
Number: 342/77
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Return signal controls radar system > Antenna control > Physical orientation > With signal error correction
Description: Subject matter wherein circuitry is provided to correct for errors in the returned signal.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8274425 Single channel semi-active radar seeker Sep. 25, 2012
8180372 Positioning system, terminal apparatus, control method of terminal apparatus May. 15, 2012
8023960 Positioning system, terminal apparatus, control method of terminal apparatus Sep. 20, 2011
8004453 Elevation null command generator for monopulse radar airborne missile guidance systems Aug. 23, 2011
7986262 Radar tracking device and method thereof Jul. 26, 2011
7961825 Diversity receiver and method Jun. 14, 2011
7734416 Automatic vehicle braking device Jun. 8, 2010
7474259 Traffic sensor and method for providing a stabilized signal Jan. 6, 2009
7421321 System for obtaining vehicular information Sep. 2, 2008
7336722 Method and apparatus for puncturing code symbols in a communications system Feb. 26, 2008
7307583 Antenna adjustment system and method for an aircraft weather radar system Dec. 11, 2007
7242345 Method for controlling a radar antenna Jul. 10, 2007
7218273 Method and device for boresighting an antenna on a moving platform using a moving target May. 15, 2007
7187320 Matched maneuver detector Mar. 6, 2007
7154439 Communication satellite cellular coverage pointing correction using uplink beacon signal Dec. 26, 2006
7053828 Systems and methods for correcting thermal distortion pointing errors May. 30, 2006
6961016 Estimating an antenna pointing error by determining polarization Nov. 1, 2005
6914554 Radar beam steering with remote reflectors/refractors Jul. 5, 2005
6897821 Spacecraft off-gimbal IRU precision payload pointing and disturbance rejection system May. 24, 2005
6768446 Vehicle-mounted radar apparatus providing improved accuracy of detection of lateral position of preceding vehicle Jul. 27, 2004
6677890 Distributed elevated radar antenna system Jan. 13, 2004
6608584 System and method for bistatic SAR image generation with phase compensation Aug. 19, 2003
6567034 Digital beamforming radar system and method with super-resolution multiple jammer location May. 20, 2003
6498581 Radar system and method including superresolution raid counting Dec. 24, 2002
6275182 Radome polarization error compensation Aug. 14, 2001
6229480 System and method for aligning an antenna May. 8, 2001
6184825 Method and apparatus for radio frequency beam pointing Feb. 6, 2001
6119067 Object detecting system for conveyance, etc. Sep. 12, 2000
6108593 Method and apparatus for estimating attitude sensor bias in a satellite Aug. 22, 2000
5854609 Satellite tracking method for vehicle-mounted antenna system Dec. 29, 1998
5808578 Guided missile calibration method Sep. 15, 1998
5764185 Method and apparatus for controlling antenna and tracking antenna system using the same Jun. 9, 1998
5631653 Dynamic inertial coordinate system maneuver detector and processing method May. 20, 1997
5485156 Antenna stabilization error correction system for radar Jan. 16, 1996
5400033 Tracking system for tracking targets with a spacecraft Mar. 21, 1995
5245348 Tracking antenna system Sep. 14, 1993
5241319 Antenna beam pointing method for satellite mobile communications system Aug. 31, 1993
5168277 Radar tracking system having target position dead reckoning Dec. 1, 1992
5166689 Azimuth correction for radar antenna roll and pitch Nov. 24, 1992
5107269 Device for the automatic correction of the differential error, to be applied preferably to monopulse type radar receiver Apr. 21, 1992
4975705 Target detector Dec. 4, 1990
4855932 Three-dimensional electro-optical tracker Aug. 8, 1989
4837576 Antenna tracking system Jun. 6, 1989
4806934 Tracking circuit for following objects through antenna nulls Feb. 21, 1989
4758840 Means for calibrating the elevation and azimuth angles of the scan axis of an antenna Jul. 19, 1988
4499472 Sequentially steered receiver with timed recycle calibration Feb. 12, 1985
4224622 Apparatus for eliminating amplitude modulation interference in conically scanning radars Sep. 23, 1980
4148029 System for estimating acceleration of maneuvering targets Apr. 3, 1979
4110752 Systems for reducing the elevation error for tracking radars of low height targets Aug. 29, 1978
4106016 Devices for determining errors of siting, especially in radar systems Aug. 8, 1978

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