Cylindrical double-layer microstrip array antenna
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United States of America Patent
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-
Feb 17, 2004
Grant Date -
Oct 30, 2003
app pub date -
Apr 25, 2002
filing date -
Apr 25, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A microstrip antenna has first and second cylindrically-shaped dielectric layers having first sides secured together with an array of conducting strips conformally interposed therebetween, the strips being spaced to define a slot between each pair of adjacent strips. A conductive ground plane is disposed on an interior second side of the first dielectric layer, and an array of spaced apart radiating patches are conformally disposed on an exterior second side of the second dielectric layer, each of which patches is positioned over a corresponding slot. Responsive to electromagnetic energy, a high-order standing wave is induced in the antenna and a directed beam is transmitted from and/or received into the antenna.
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