Communications: radio wave antennas – Antennas – Antenna components
Patent
1996-08-20
1998-06-09
Hajec, Donald T.
Communications: radio wave antennas
Antennas
Antenna components
343911L, 343753, H01Q 1508
Patent
active
057641994
ABSTRACT:
A semi-cylindrical dielectric lens antenna on a ground plane for focusing radiation from a line source adjacent to the semi-cylinder. Grooves in the surface of the ground plane modify the polarization of the electromagnetic radiation reflected by the ground plane thus allowing conversion of radiation from linear to circular polarization and vice versa. Selectable line sources may be used to provide both right and left hand circularly polarized radiation. The entire antenna and ground plane may be rotated and the line source may be moved relative to the dielectric lens so as to scan the antenna beam over a hemisphere.
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Datron/Transco Inc.
Hajec Donald T.
Ho Tan
Sokolski Edward A.
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