Complementary dual antenna system
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United States of America Patent
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Dec 28, 2004
Grant Date -
May 27, 2004
app pub date -
Nov 22, 2002
filing date -
Nov 22, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides a dual antenna system where a first antenna element has a metallic surface with openings that are resonant at frequencies other than the operating frequency of a second antenna element. The openings are sized such that the metallic components are relatively transparent at and near resonant frequencies of those openings. According to the present invention, the resonant frequencies of the openings may be the transmitting or receiving frequencies of the second antenna element, or of nearby antennas.
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