Circularly-polarized antenna
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United States of America Patent
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-
Dec 25, 2012
Grant Date -
Jun 9, 2011
app pub date -
Jun 3, 2010
filing date -
Jun 3, 2009
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A circularly-polarized antenna is provided, and includes a conductive backplane with a plurality of panels, a vertical array of patch radiators disposed on one of the backplane panels, and a feed stripline disposed on the backplane panel. The backplane panels are vertical, planar, rectangular and form a right prism. The vertical array has a radiator spacing of one wavelength, each radiator has a face and four edges, and each edge has a length of approximately one half wavelength. The feed stripline includes an input coupled to a coaxial feed cable, and a pair of outputs, orthogonal in position and phase, coupled to each of the radiators.
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