Single-feed multi-frequency multi-polarization antenna
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United States of America Patent
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Jan 16, 2007
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app pub date -
Jun 6, 2005
filing date -
Jun 6, 2005
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Abstract
An antenna capable of receiving both left-hand circularly polarized (LHCP) signals and right-hand circularly polarized (RHCP) signals, and outputting both signals on a single feed. The antenna includes two coplanar concentric patches. The inner patch is substantially square. The outer patch has inner and outer edges both of which are square. The two patches do not physically contact one another. A single feed is connected to the inner patch. The inner patch receives the LHCP signal, and the two patches together receive the RHCP signal.
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