Gimbaled dragonian antenna

Details Gimbaled dragonian antenna Gimbaled dragonian antenna

2006-03-30

2008-08-12

Ho, Tan (Department: 2821)

Communications: radio wave antennas

Antennas

Wave guide type

C343S761000, C343S7810CA

Reexamination Certificate

active

07411561

ABSTRACT:
In one embodiment, a gimbaled reflector antenna is provided that includes: a Dragonian antenna having a sub-reflector and a main reflector; a feed; a third reflector adapted to reflect a beam from the feed to the sub reflector; an azimuth gimbal adapted to rotate the Dragonian antenna with respect to the third reflector; and an elevation gimbal adapted to rotate the flat reflector with respect to the feed.

REFERENCES:
patent: 4284992 (1981-08-01), Gans
patent: 4339757 (1982-07-01), Chu
patent: 4491848 (1985-01-01), Dragone
patent: 6492955 (2002-12-01), Amyotte et al.
patent: 6965351 (2005-11-01), Miller et al.
patent: 7161549 (2007-01-01), Cuchanski et al.
patent: 2003/0214451 (2003-11-01), Mizuno et al.
patent: 2005/0219138 (2005-10-01), Obert et al.

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