Communications: radio wave antennas – Antennas – With means for moving directive antenna for scanning,...
Patent
1983-03-23
1984-05-22
Lieberman, Eli
Communications: radio wave antennas
Antennas
With means for moving directive antenna for scanning,...
343882, 343766, H01Q 302
Patent
active
044504500
ABSTRACT:
The present invention provides an apparatus for mounting and both separate and selective rotational positioning of a plurality of separate antennas, or search devices, on a single tower of the type having a plurality of vertically-disposed tower legs (20a-20c) and having bracing (22) between adjacent pairs of the tower legs. The preferred embodiments include an antenna-mounting ring, or search-device mounting ring (142 or 406) that is attached to the tower (12) by a plurality of shaft-mounted support rollers (160, 219, or 306).
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Ellingson Gary L.
Miller Wendell E.
Lieberman Eli
Miller Wendell E.
Polar Research, Inc.
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