Plural reflector antenna with relatively moveable reflectors

Details Plural reflector antenna with relatively moveable reflectors Plural reflector antenna with relatively moveable reflectors

1983-11-14

1987-05-26

Lieberman, Eli

Communications: radio wave antennas

Antennas

With means for moving directive antenna for scanning,...

343765, 343781CA, H01Q 320

Patent

active

046689559

ABSTRACT:
A method and apparatus are provided for transmitting a microwave signal as a beam having a wavelength small as compared to the size of the reflecting surfaces, wherein a main reflector is stationary with respect to a sub-reflector and the main reflector is motional with respect to the feed. The invention comprises rotating the sub-reflector about a first rotational axis transverse and preferably orthogonal to the guide axis, the first rotational axis being on the vertex of a secondary reflector, thereby directing radiation from a fixed feed to the motional sub-reflector. The primary reflector and sub-reflector are disposed relative to one another to share a common focus or confocal point.

REFERENCES:
patent: 3680141 (1972-07-01), Karikomi
patent: 3795003 (1974-02-01), Meek et al.
patent: 3845483 (1974-10-01), Soma et al.
patent: 4044361 (1977-08-01), Yokoi et al.
patent: 4062018 (1977-01-01), Yokoi et al.
patent: 4186402 (1980-01-01), Mizusawa et al.

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