Transmitting-receiving-separated dual-polarization antenna
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United States of America Patent
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Jun 28, 2016
Grant Date -
Jun 25, 2015
app pub date -
Oct 10, 2012
filing date -
Dec 8, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
To reduce coupling between transmission and reception while implementing sharing of polarized waves for both the transmitting band and the receiving band at the same time. Patch antenna for transmitting band and patch antenna for receiving band, which are arranged at predetermined spacing, include an upper-stage ground conductor; a lower-stage ground conductor; a feed line which is arranged among the ground conductor and the lower-stage ground conductor; a feed slot which is formed on the upper-stage ground conductor; a patch which is electromagnetically coupled with the feed line via the feed slot; and electromagnetic shielding members which are connected with the upper-stage ground conductor and the lower-stage ground conductor in a state in which the electromagnetic shielding members are located around the feed line. The feed line includes independent feeding conductors corresponding to respective polarized waves.
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