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Class Information
Number: 342/149
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Determining direction > Monopulse
Description: Subject matter including the use of a radar technique in which the angular location information of a source or target object is derivable from each pulse or signals received simultaneously in two or more antenna beams, i.e., sum and difference channels in the receiver compare the amplitudes or phases of the antenna outputs.

Sub-classes under this class:

Class Number Class Name Patents
342/154 Combined with beam steering 87
342/151 With channel equalization 41
342/150 With common if channel 32
342/153 With particular antenna or waveguide 87
342/152 With quadrature difference processing 87

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8633850 Identifying a location of a target object using a monopulse radar system and space-time adaptive processing (STAP) Jan. 21, 2014
8633851 Low power, space combined, phased array radar Jan. 21, 2014
8593334 Split aperture monopulse antenna system Nov. 26, 2013
8576117 Radar apparatus Nov. 5, 2013
8552907 Electronic scanning radar apparatus, receiving wave direction estimating method, and computer-readable storage media storing receiving wave direction estimation program Oct. 8, 2013
8547206 Apparatus, method and program for detecting direction of noncontact IC medium and computer-readable recording medium having the program recorded thereon Oct. 1, 2013
8498758 ILS-based altitude data generation system, device, and method Jul. 30, 2013
8482457 Radar apparatus Jul. 9, 2013
8466829 Super-angular and range-resolution with phased array antenna and multifrequency dither Jun. 18, 2013
8466830 Electronic scanning radar apparatus, receiving wave direction estimating method, and computer-readable storage media storing receiving wave direction estimation program Jun. 18, 2013
8446312 Electronic scanning type radar device, estimation method of direction of reception wave, and program estimating direction of reception wave May. 21, 2013
8441392 Method and system for locating a target in an interrogation-response system (IFF) May. 14, 2013
8441395 Electronic scanning radar apparatus, receiving wave direction estimating method, and computer-readable storage media storing receiving wave direction estimation program May. 14, 2013
8390509 Radar system and direction detecting method Mar. 5, 2013
8392475 Method and a device for flying safely at low altitude in an aircraft Mar. 5, 2013
8384588 Beam stabilization for wideband phase comparison monopulse angle estimation with electronically steered antennas Feb. 26, 2013
8321074 Altitude data generation system, device, and method Nov. 27, 2012
8274425 Single channel semi-active radar seeker Sep. 25, 2012
8274427 Radar device Sep. 25, 2012
8269665 Monopulse angle determination Sep. 18, 2012
8094059 Method for determining the angular aperture corresponding to the extent in a plane of an object seen by a radar antenna Jan. 10, 2012
8049660 Radar apparatus configured to suppress effects of grating lobes upon detection of direction of target based on phase difference between received reflected waves Nov. 1, 2011
8035548 Evaluation method, particularly for a driver assistance system of a motor vehicle, for object detection using a radar sensor Oct. 11, 2011
7999726 Antenna pointing bias estimation using radar imaging Aug. 16, 2011
7999212 Precision guided munitions Aug. 16, 2011
RE42472 Main beam alignment verification for tracking antennas Jun. 21, 2011
7911371 Extraction of relative signals from closely spaced targets in a monopulse system Mar. 22, 2011
7903023 Obstacle detection system notably for an anticollision system Mar. 8, 2011
7889115 System and method for tracking and identifying aircraft and ground equipment Feb. 15, 2011
7884756 Radar apparatus Feb. 8, 2011
7868816 Radio detection device and method Jan. 11, 2011
7868818 Multi-element antenna Jan. 11, 2011
7864103 Device and method for 3D height-finding avian radar Jan. 4, 2011
7864099 Low cost short range radar Jan. 4, 2011
7859451 Method and system for monopulse radar target angle determination Dec. 28, 2010
7834803 Electronically steered, dual-polarized, dual-plane, monopulse antenna feed Nov. 16, 2010
7675456 Technique for mitigating multipath impacts on azimuth accuracy in a monopulse interrogator Mar. 9, 2010
7667638 Detection and resolution of closely spaced targets in a monopulse system Feb. 23, 2010
7626536 Non-scanning radar for detecting and tracking targets Dec. 1, 2009
7612706 Monopulse radar apparatus and antenna switch Nov. 3, 2009
7577464 Compact antenna system for polarization sensitive null steering and direction-finding Aug. 18, 2009
7548189 Using radar targets of opportunity to build a monopulse calibration table Jun. 16, 2009
7548186 Method and apparatus for detection of an electromagnetic signal reflected from and object Jun. 16, 2009
7535408 Apparatus and methods for detection of multiple targets within radar resolution cell May. 19, 2009
7522097 Radar platform angular motion compensation Apr. 21, 2009
7522120 Antenna apparatus of mobile communications terminal and operation method thereof Apr. 21, 2009
7492306 Boundary crossing object detection system Feb. 17, 2009
7417584 Monopulse radar estimation of target altitude at low angles of elevation Aug. 26, 2008
7330149 Method for locating multiple angle sources using a monopulse radar Feb. 12, 2008
7292179 Instantaneous passive range finding Nov. 6, 2007

1 2 3 4 5

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