Communications: radio wave antennas – Antennas – With spaced or external radio wave refractor
Patent
1976-08-11
1977-12-06
Lieberman, Eli
Communications: radio wave antennas
Antennas
With spaced or external radio wave refractor
343761, 343781CA, H01Q 312, H01Q 1914
Patent
active
040620182
ABSTRACT:
An aperture antenna comprising at least one reflector, a primary radiator, and a plurality of movable beam-wave-guide reflectors arranged between the reflector and the primary radiator for directing electric waves from the primary radiator towards the reflector, in which at least one of the movable beam-waveguide reflectors is controlled to displace a feeding point to the reflector, and in which wavefront defocusing distortion of a radiated electric wave resulting from the displacement of the feeding point is corrected by moving at least one of the remaining movable waveguide reflectors.
REFERENCES:
patent: 2975419 (1961-03-01), Brown
patent: 3641577 (1972-02-01), Tocquec
patent: 3680141 (1972-07-01), Karikomi
Akagawa Masataka
Yokoi Hiroshi
Adams Bruce L.
Burns Robert E.
Kokusai Denshin Denwa Kabushiki Kaisha
Lieberman Eli
Lobato Emmanuel J.
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