Stacked microstrip antenna
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United States of America Patent
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-
Jun 23, 1992
Grant Date -
N/A
app pub date -
Mar 13, 1990
filing date -
Apr 28, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The stacked microstrip antenna has a ground plane, a first dielectrical layer, a first radiating element, a second dielectric layer, a second radiating element and a short-circuiting conductor for short-circuiting between the first and second radiating elements and the ground plane. The stacked microstrip antenna attains double-channel duplex characteristics with utilizing the coupling between the first radiating element and the second radiating element, when a power is fed to the antenna. Further, the widthwise dimension of the short-circuiting conductor is controlled, whereby the antenna leads to the miniaturization of the radiating elements, namely, the miniaturization of an antenna proper, and it is permitted to be tuned to two desired frequencies with ease.
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