Wide-band feeder circuit and antenna having the same
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United States of America Patent
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Jun 2, 2015
Grant Date -
Jan 13, 2011
app pub date -
Mar 18, 2009
filing date -
Mar 19, 2008
priority date (Note) -
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Abstract
It is possible to obtain a wide-band feeder circuit a lower conductive plate provided substantially in parallel to an upper conductive plate, a short-circuit portion provided in a concave manner at a central portion of the lower conductive plate, and a countersunk portion provided in a convex manner at a central portion of a short-circuit plate forming a bottom of the short-circuit portion. It is also possible to obtain an antenna including such a wide-band feeder circuit.
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