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Class Information
Number: 342/427
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Directive > Beacon or receiver > Direction-finding receiver only > With self-orienting antenna pattern > Monopulse or pseuodo monopulse tracking antenna type
Description: Subject matter wherein tracking of the signal source is accomplished by comparing overlapping pattern or lobe signals received by the receiver antenna to determine any discrepancy between the direction of the signal source, and any discrepancy is reduced to pointing error signals used for correcting the pointing direction of the antenna.










Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
5014064 Monopulse tracking apparatus and method of operating same May. 7, 1991
4912477 Radar system for determining angular position utilizing a linear phased array antenna Mar. 27, 1990
4760399 Method for generating antenna follow-up signals Jul. 26, 1988
4721959 Monopulse comparator formed in a milled channel plate structure Jan. 26, 1988
4709238 Sequential mono-lobe tracker Nov. 24, 1987
4706093 Monopulse tracking system substantially free of externally generated noise Nov. 10, 1987
4700193 Cross-polarized antenna Oct. 13, 1987
4663631 Apparatus for maintaining the orientation of an antenna system with respect to a beacon May. 5, 1987
4658256 Combined monopulse comparator and adaptive noise canceller for antennas Apr. 14, 1987
4623891 Far-field nulling technique for reducing the susceptibility to cross-polarized signal in dual-polarized monopulse-type tracking antennas Nov. 18, 1986
4599622 Phase only adaptive nulling in a monopulse antenna Jul. 8, 1986
4591862 Monopulse receiver for a four arm log spiral antenna May. 27, 1986
4578679 Method and apparatus for obtaining antenna tracking signals Mar. 25, 1986
4348676 Automatic phase alignment system for a tracking antenna Sep. 7, 1982
4317118 Symmetrical beam-forming network Feb. 23, 1982
4309706 Wideband direction-finding system Jan. 5, 1982
4215347 Target seeker simulator Jul. 29, 1980
4213130 Monopulse radar apparatus Jul. 15, 1980
4136343 Multiple source tracking system Jan. 23, 1979
4107690 Antenna arrangement for radar or direction finding purposes respectively, with sum and difference patterns Aug. 15, 1978
4103304 Direction locating system Jul. 25, 1978
4088999 RF beam center location method and apparatus for power transmission system May. 9, 1978
4054873 Device for forming channels Oct. 18, 1977
4042930 Device for forming channels using detectors spaced out on a circular base Aug. 16, 1977
4042931 Tracking system for multiple beam antenna Aug. 16, 1977
3991418 Electromagnetic wave direction finding using Doppler techniques Nov. 9, 1976
3981016 Antenna apparatus for detecting an optimum directivity Sep. 14, 1976
3946395 Radio direction finding apparatus Mar. 23, 1976
3940769 Binaural auditory presentation apparatus Feb. 24, 1976

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