Complex antenna apparatus
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United States of America Patent
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-
Aug 15, 2006
Grant Date -
Nov 11, 2004
app pub date -
Jul 28, 2003
filing date -
Apr 23, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A complex antenna apparatus including a base, a circular polarization antenna and a capacitance (inductance) cylinder loading monopole antenna. The base has a central through hole. The circular polarization antenna is disposed on the base and has a hollow feeding portion corresponding to the central through hole. The capacitance (inductance) cylinder loading monopole antenna is fixed on the base by inserting one end of the capacitance (inductance) cylinder loading monopole antenna into the central through hole.
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