Broadband/multi-band circular array antenna
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United States of America Patent
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Dec 6, 2005
Grant Date -
Dec 23, 2004
app pub date -
Mar 29, 2004
filing date -
Jun 20, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A broadband/multiband circular array antenna is disclosed. One embodiment comprises a circular directional array antenna comprising a driven omnidirectional traveling-wave antenna element coupled to a transceiver via a feed and a plurality of surface-waveguide elements symmetrically positioned about and spaced from the driven omnidirectional traveling-wave antenna element. Each surface-waveguide element receives a control signal configured to selectively alter its waveguide characteristics to electronically direct a beam to/from the array. The array provides a directionally controllable antenna beam with broadband/multiband frequency performance in a low profile design that is both economical and practical to produce and maintain.
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