Waveguide-tuned phased array antenna

Details Waveguide-tuned phased array antenna Waveguide-tuned phased array antenna

1975-02-12

1976-08-31

Lieberman, Eli

Communications: radio wave antennas

Antennas

With spaced or external radio wave refractor

343854, H01Q 1500

Patent

active

039784843

ABSTRACT:
A phased array radar antenna comprises an array of hollow, rectangular tubes, each tube having an opening therethrough. A tuning slug is positioned within each of the hollow tubes, and is mechanically coupled with a transducer for moving each tuning slug through the corresponding hollow tube responsive to an electrical input thereto. A feed horn is provided for radiating electromagnetic energy into the openings of the hollow tubes whereby the energy is reflected therefrom in a direction and in a beam width determined by the position of all of the slugs.

REFERENCES:
patent: 2343531 (1944-03-01), Buchholz
patent: 2602893 (1952-07-01), Ratliff
patent: 2986734 (1961-05-01), Jones et al.
patent: 3274601 (1966-09-01), Blass

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