Fixed aperture, rotating feed, beam scanning antenna system

Details Fixed aperture, rotating feed, beam scanning antenna system Fixed aperture, rotating feed, beam scanning antenna system

1983-03-04

1986-03-04

Lieberman, Eli

Communications: radio wave antennas

Antennas

With polarization filter or converter

343781P, 343761, H01Q 19195

Patent

active

045742871

ABSTRACT:
A beam scanning antenna system that uses a small, rapidly rotatable feed enna to illuminate a large, fixed secondary collimating device, such as a reflector or electromagnetic lens, which in turn illuminates a large, fixed primary collimating device. The primary collimating device forms a narrow collimating beam that is reflected or transmitted into space. Rotation of the small feed antenna causes the beam to scan.

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patent: 3490021 (1970-01-01), Hogg et al.
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patent: 3688311 (1972-08-01), Salmon
patent: 3771160 (1973-11-01), Laverick
patent: 3820116 (1974-06-01), Carlsson et al.
patent: 3916416 (1975-10-01), Lewis
patent: 4203105 (1980-05-01), Dragone et al.
patent: 4223316 (1980-09-01), Drabowitch
patent: 4253100 (1981-02-01), Commault et al.
patent: 4274098 (1981-06-01), Renau et al.
patent: 4339757 (1982-07-01), Chu
patent: 4343004 (1982-08-01), Ohm

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