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Class Information
Number: 342/83
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Return signal controls radar system > Transmitter > Signal phase or frequency other than pulse repetition frequency (prf)
Description: Subject matter including control of the radar signal phase or frequency other than pulse repetition frequency.

Sub-classes under this class:

Class Number Class Name Patents
342/85 Function of distance 65
342/84 Function of doppler frequency 40

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8686898 System employing a direct digital synthesiser Apr. 1, 2014
8587470 Radar apparatus and target detecting method Nov. 19, 2013
8587472 Full-wave receiver architecture for the homodyne motion sensor Nov. 19, 2013
8588270 Architecture for ultra-wideband radio Nov. 19, 2013
8351483 Architecture for ultra-wideband radio Jan. 8, 2013
8325085 Weather radar signal processing Dec. 4, 2012
8259005 True time delay diversity beamforming Sep. 4, 2012
8179304 Direct-current blocking circuit, hybrid circuit device, transmitter, receiver, transmitter-receiver, and radar device May. 15, 2012
8125373 Microwave system utilizing elevational scanning by frequency hopping Feb. 28, 2012
8009080 Weather radar and weather observation method Aug. 30, 2011
7880665 System and method for adaptation of a radar receiver in response to frequency drift in a transmission source Feb. 1, 2011
7773027 Enhanced countermeasures for all-digital line-of-sight (LOS) processor Aug. 10, 2010
7760131 All-digital line-of-sight (LOS) processor architecture Jul. 20, 2010
7737879 Split aperture array for increased short range target coverage Jun. 15, 2010
7605745 On-vehicle radar device and on-vehicle radar device control system Oct. 20, 2009
7589664 Circuit for multifrequency band radar level gauge Sep. 15, 2009
7450056 Search/detection apparatus Nov. 11, 2008
7446699 Error corrector for radar timing systems Nov. 4, 2008
7423578 Split aperture array for increased short range target coverage Sep. 9, 2008
7327304 System and method for minimizing background noise in a microwave image using a programmable reflector array Feb. 5, 2008
7277044 System and method for adaptive broadcast radar system Oct. 2, 2007
7239262 Delivery of quasi-periodic pulses of EM energy utilizing the principle of beating-wave amplification Jul. 3, 2007
7136013 Radio-wave radar system and adaptive cruise control system Nov. 14, 2006
7095362 Radar measurement device, especially for a motor vehicle, and method for operating a radar measurement device Aug. 22, 2006
6911937 Digital polarimetric system Jun. 28, 2005
6879281 Pulse radar detection system Apr. 12, 2005
6691031 Method and apparatus for substituting sensor data for satellite signal in GPS receiver Feb. 10, 2004
6608587 Digital polarimetric system for generating polarization agile signals Aug. 19, 2003
6590522 Pulse radar device Jul. 8, 2003
6529155 Transponder apparatus Mar. 4, 2003
6518917 MPRF interpulse phase modulation for maximizing doppler clear space Feb. 11, 2003
6317074 High range resolution radar through non-uniform sampling Nov. 13, 2001
6285312 Arrangement for controlling radar transmissions for a system of antennas on a moving platform Sep. 4, 2001
5486833 Active signalling systems Jan. 23, 1996
5381154 Optimum matched illumination-reception radar for target classification Jan. 10, 1995
5280288 Interference avoidance system for vehicular radar system Jan. 18, 1994
5223838 Radar cross section enhancement using phase conjugated impulse signals Jun. 29, 1993
5210539 Linear frequency sweep synthesizer May. 11, 1993
4996532 Digital beam forming radar system Feb. 26, 1991
4982195 Servo control with self calibrating preset Jan. 1, 1991
4912473 Radar equipment Mar. 27, 1990
4861158 Chirp and Doppler optical gauge Aug. 29, 1989
4861159 Dynamic Doppler optical gauge Aug. 29, 1989
4812035 AM-FM laser radar Mar. 14, 1989
4754277 Apparatus and method for producing linear frequency sweep Jun. 28, 1988
4354191 Ground-speed Doppler radar for vehicles Oct. 12, 1982
4151527 Process and apparatus for the detection of objects, especially of objects having a very small equivalent surface area Apr. 24, 1979
4151525 Radio-electric system for locating a given object Apr. 24, 1979
4107678 Polarization correlation target seeker Aug. 15, 1978
4106018 Method and apparatus for reducing interference between plural radio altimeters Aug. 8, 1978

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