Waveguide with dielectric coated flange antenna feed

Details Waveguide with dielectric coated flange antenna feed Waveguide with dielectric coated flange antenna feed

1982-06-04

1985-05-07

Lieberman, Eli

Communications: radio wave antennas

Antennas

Wave guide type

343785, H01Q 1300

Patent

active

045161291

ABSTRACT:
The antenna feed includes a waveguide radiator with a conductive flange positioned about the waveguide near its radiating end. A dielectric element is positioned about the waveguide between the flange and the radiating end and establishes the dielectric surface impedance seen by the waveguide. The dielectric element may consist of one or more layers of dielectric material to form a composite dielectric. One of the layers may be an air gap adjacent to the flange. The size and position of the flange and dielectric element will control the radiation pattern of the beam from the feed.

REFERENCES:
patent: 2414376 (1947-01-01), Heim
patent: 2556046 (1951-06-01), Simpson
patent: 2617029 (1952-11-01), Plummer et al.
patent: 2742640 (1956-04-01), Cronin
patent: 2761138 (1956-08-01), Sherman
patent: 2921309 (1960-01-01), Elliott
patent: 2993205 (1961-07-01), Cooper
patent: 3434146 (1969-03-01), Petrich
patent: 3553707 (1971-01-01), Yang et al.

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