Conical corrugated microwave feed horn

Details Conical corrugated microwave feed horn Conical corrugated microwave feed horn

1994-07-29

1996-01-23

Hajec, Donald T.

Communications: radio wave antennas

Antennas

Wave guide type

343772, H01Q 1300

Patent

active

054868394

ABSTRACT:
A conical corrugated microwave feed horn. A conical flare section is formed at the aperture of the feed horn and a second smooth cylindrical section is formed at the throat of the feed horn. The conical flare section is formed with two regions. The first region is a corrugated conical region formed at the aperture and having a plurality of slots formed parallel to the central axis of the feed horn. Each slot in the plurality of slots has an inner surface closest to the central axis of the feed horn and an outer surface furthest from the central axis. Connecting the corrugated conical region to the cylindrical throat is a smooth conical region. The first slot adjacent the smooth conical region has first and second formed lips on the terminating end thereof. The lips are formed directed inwardly toward each other. The last slot of the plurality of slots at the aperture of the feed horn has the terminating end of the inner surface extending in length beyond the length of the outer surface.

REFERENCES:
patent: 4040061 (1977-08-01), Roberts et al.
patent: 4358770 (1982-11-01), Satoh et al.
patent: 4408208 (1983-10-01), Dumas
patent: 4554553 (1985-11-01), Grim
patent: 4658258 (1987-04-01), Wilson
patent: 4797681 (1989-01-01), Kaplan et al.
patent: 4847574 (1989-07-01), Gauthier et al.
patent: 4903037 (1990-02-01), Mitchell et al.
patent: 4910527 (1990-03-01), Dushane et al.
patent: 5126750 (1992-06-01), Wang et al.
"Corrugated horns for microwave antennas," Carricoats and Olver, 1984.

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