Antenna for reception of circularly polarized satellite radio signals
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United States of America Patent
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Dec 3, 2013
Grant Date -
Sep 8, 2011
app pub date -
Sep 2, 2010
filing date -
Sep 10, 2009
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Abstract
An antenna for receiving circularly polarized satellite radio signals has a conductive base surface and at least one a conductor loop oriented horizontally above the base surface by a height h. The conductor loop is configured as a polygonal or circular closed ring line radiator The ring line radiator forms a resonant structure that is electrically excited so that the current distribution of a running line wave in a single rotation direction occurs on the ring line, wherein the phase difference of which, over one revolution, amounts to essentially 2π. A vertical radiator extends between the conductive base surface and the circumference of the ring line radiator. The height h is smaller than ⅕ of the free-space wavelength λ.
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