Optically coupled, array antenna

Details Optically coupled, array antenna Optically coupled, array antenna

1981-11-13

1985-03-26

Lieberman, Eli

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343754, H01Q 326, H01Q 1906, H04B 700

Patent

active

045076626

ABSTRACT:
A scannable antenna having a radiating array of antenna elements correspondingly coupled, through equal line lengths, to a more closely spaced array of antenna elements positioned in a space coupling region. A feed array of antenna elements, with spacings substantially equal to the spacing in the radiating array and substantially of the same physical size as the more closely spaced array, is positioned in the space coupling region in close proximity, no more than a wave length away, to the more closely spaced array. The feed array is coupled to a distribution network which provides desired phase and amplitude aperture distributions.

REFERENCES:
patent: 3245081 (1966-04-01), McFarland
patent: 3631503 (1969-05-01), Tang et al.
patent: 3755815 (1973-03-01), Stangel et al.
patent: 3835469 (1974-09-01), Chen et al.
patent: 4185286 (1980-01-01), Drabowitch et al.
patent: 4246585 (1981-01-01), Mailloux
patent: 4268831 (1981-05-01), Valentino et al.

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