Electromagnetic lens for RF aerials

Details Electromagnetic lens for RF aerials Electromagnetic lens for RF aerials

1978-09-25

1980-08-12

Moore, David K.

Communications: radio wave antennas

Antennas

With spaced or external radio wave refractor

343909, H01Q 1906, H01Q 1524

Patent

active

042175909

ABSTRACT:
An electromagnetic lens for a commutated scanning beam antenna has a plurality of petal-shaped parallel plate segments, connected in series, with the first petal-shaped segment adapted to receiver power at its input edge through an array of input probes connected, in a commutative switching arrangement, to a radio frequency transmitter. The last petal-shaped segment of the lens is formed into a radiating aperture or is connected to a linear array of radiating elements. Various techniques for determining petal shapes and for connecting together the petals are discussed. Stacked and folded lenses are described.

REFERENCES:
patent: 2767396 (1956-10-01), Cutler
patent: 3245081 (1966-04-01), McFarland
patent: 4080605 (1978-03-01), Hilton

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