Method and apparatus for frequency selective beam forming
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United States of America Patent
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-
Sep 16, 2008
Grant Date -
Apr 14, 2005
app pub date -
Aug 17, 2004
filing date -
Jun 12, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A directive antenna having plural antenna elements is arranged in a parasitic antenna array. Frequency selective components are connected to an active antenna element. Weighting structures are connected to passive antenna elements positioned substantially equidistant from the active antenna element. The active and passive antenna elements are connected by a space-fed power distribution system to produce independently steerable beams having spectrally separated signals.
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