Communications: radio wave antennas – Antennas – With polarization filter or converter
Patent
1979-07-24
1981-04-07
Lieberman, Eli
Communications: radio wave antennas
Antennas
With polarization filter or converter
343911L, H01Q 1508
Patent
active
042609917
ABSTRACT:
A luneberg type passive reflector for circularly polarized waves consists of a woven cloth made partially of conductive wires located within the dielectric sphere the surface of which is covered with a set of parallel wires perpendicular with the conductive wires in said cloth. The conductive wires of the cloth are less than five hundredths of wavelength in diameter and their spacing is between 1/4 and 1/20 of a wavelength. The wires interwoven with said metal wires to form the cloth are preferably made of flax.
REFERENCES:
patent: 2989746 (1961-06-01), Ramsay
patent: 3015102 (1961-12-01), Crane et al.
patent: 3047860 (1962-07-01), Swallow et al.
patent: 3119109 (1964-01-01), Miller et al.
Dachert Francois
Gelin Jean
Ropars Raymond
Lieberman Eli
Societe Lignes Telegraphiques et Telephoniques
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