Phase adjustment apparatus and multi-frequency antenna
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United States of America Patent
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May 17, 2016
Grant Date -
Feb 13, 2014
app pub date -
Oct 14, 2013
filing date -
Apr 14, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention discloses a phase adjustment apparatus. The phase adjustment apparatus includes at least two phase adjustment units, a switching apparatus, and a driving apparatus; where the at least two phase adjustment units are configured to modulate a phase; the driving apparatus is configured to drive the at least two phase adjustment units to move; the at least two phase adjustment units are selectively connected to the driving apparatus; and the switching apparatus is configured to select the at least two phase adjustment units, so that the driving apparatus drives, at a same moment, only one of the at least two phase adjustment units connected to the driving apparatus to move, so as to change a phase. The present invention discloses a multi-frequency antenna which applies the phase adjustment apparatus. The phase adjustment apparatus of the present invention may adjust a downtilt angle of an antenna unit.
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