UHF satellite communications antenna
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United States of America Patent
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Jan 10, 2017
Grant Date -
Oct 15, 2015
app pub date -
Mar 24, 2015
filing date -
Apr 15, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A UHF satcom antenna comprises a hollow cylinder; an annular substrate disposed on a base of the hollow cylinder; a circular substrate coplanar and concentric to the annular substrate; a plurality of bow-tie antenna elements; a plurality of rectangular antenna elements and a plurality of open-sleeve elements. The antenna system includes at least one feed line extending through the hollow cylinder and the circular substrate and electrically connects to the bow-tie elements. The hollow cylinder may comprise a dielectric material. Provided on the annular substrate, the bow-tie elements extend radially outward from the center of the annular substrate. The rectangular elements are electrically coupled to the plurality of bow-tie antenna elements and are provided on the outer surface of the hollow cylinder. Provided on both the annular substrate and the outer surface of the hollow cylinder, the open-sleeve elements act as parasitic antenna elements for the bow-tie antenna system.
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