Communications: radio wave antennas – Antennas – With spaced or external radio wave refractor
Patent
1980-04-28
1982-11-16
Moore, David K.
Communications: radio wave antennas
Antennas
With spaced or external radio wave refractor
343755, 343911L, H01Q 1906
Patent
active
043597416
ABSTRACT:
An antenna, preferably operating in the microwave range, comprising a Luneberg lens with a disc having a radially varying refraction index and provided with feeders distributed around the circumference. Each feeder has the shape of a thin wire the projection of which, as seen radially relative to the center of the round disc, forms a straight line inclined 45.degree. against the plane of the disc. All feeders are inclined in the same direction in their respective radial planes, whereby the feeders opposite a respective feeder will be oriented substantially perpendicular to the feeder permitting passage of radiation to and from the feeder. All of the feeders can be active simultaneously.
REFERENCES:
patent: 3116485 (1963-12-01), Carson
patent: 3922681 (1975-11-01), Lewis
patent: 3958247 (1976-05-01), Bogner et al.
patent: 4297709 (1981-10-01), Cassel et al.
patent: 4309710 (1982-01-01), Cassel
Kraus Robert J.
Moore David K.
U.S. Philips Corporation
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