Communications: radio wave antennas – Antennas – With polarization filter or converter
Patent
1985-08-30
1988-03-22
Sikes, William L.
Communications: radio wave antennas
Antennas
With polarization filter or converter
343909, H01Q 19195, H01Q 1524
Patent
active
047332441
ABSTRACT:
A polarization separating reflector is constructed for use in microwave transmitting antennas or in microwave receiving antennas. The signal supply to the transmitting antennas and the signal retrieval from the receiving antennas may be symmetrical or nonsymmetrical. Such antennas may or may not be equipped with subreflectors. Such antennas have a polarization selectively reflecting lattice structure on or within a dielectric carrier. This antenna structure is resonantly constructed out of separate dipoles having different lengths, preferably in the form of a linear dipole lattice. The dipoles are arranged in a staggered manner, colinearly, or at an angle relative to a reference line, such as the vertical, as desired.
REFERENCES:
patent: 3102265 (1963-07-01), Moreau et al.
patent: 3137000 (1964-06-01), Fuller
patent: 3961333 (1976-06-01), Purinton
patent: 4160254 (1979-07-01), Frosch et al.
patent: 4228437 (1980-10-01), Shelton
patent: 4477815 (1984-10-01), Brunner et al.
Edenhofer Peter
Galka Manfred
Habersack Juergen
Nathrath Norbert
Fasse W. G.
Johnson Doris J.
Kane, Jr. D. H.
Messerschmitt-Boelkow-Blohm GmbH
Sikes William L.
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