Wideband circularly polarized single layer compact microstrip antenna
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United States of America Patent
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Feb 28, 2006
Grant Date -
N/A
app pub date -
Jan 16, 2004
filing date -
Jan 16, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An electrically small wideband circularly polarized single layer compact microstrip antenna that permits a substantial reduction in antenna size is provided, by stacking a semicircular radiating arch on a dielectric substrate and a conductive ground plane that permits both a considerably reduced antenna length and significantly high efficiency antenna performance. The radiating arch is composed from a group of arc-shaped segments that are each separated by a gap, with one segment having an opening allowing a connector center probe to protrude upwards. In the preferred embodiment, the arc-shaped segments are arranged into a semicircle on the top surface of the dielectric substrate. Other embodiments include an array antenna and a method for decreasing a wideband circularly polarized compact microstrip antenna with a given length, AL.
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