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Class Information
Number: 342/425
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 > Conical scan antenna type
Description: Subject matter wherein the antenna of the receiver is operated in a conical pattern about a pointing axis of the tracking system.

Patents under this class:

Patent Number Title Of Patent Date Issued
8502645 RFID monitoring system Aug. 6, 2013
8279117 Burst optimized tracking algorithm Oct. 2, 2012
6421000 GPS multipath mitigation using a multi-element antenna array Jul. 16, 2002
6087985 Tracking system Jul. 11, 2000
5774087 Apparatus for measuring moving emitter elevation and azimuth direction from doppler change measurements Jun. 30, 1998
5563609 Antenna system with plural beam sequential offset Oct. 8, 1996
5274382 Antenna system for tracking of satellites Dec. 28, 1993
5089825 Method of, and apparatus for controlling an antenna device Feb. 18, 1992
4857936 Conical sweep array antenna and a radar having such an antenna Aug. 15, 1989
4827265 Cooperative tracking system May. 2, 1989
4673944 Autocalibrating interferometer Jun. 16, 1987
4646094 Method of discriminating between signals Feb. 24, 1987
4574289 Rotary scan antenna Mar. 4, 1986
4173762 Reference signal generating apparatus Nov. 6, 1979
4150379 Matched filter target acquisition radiometric system Apr. 17, 1979
4122454 Conical scan tracking system employing a large antenna Oct. 24, 1978
4115776 Adaptive gain control for radiometric target tracking system Sep. 19, 1978

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