发明名称 |
PHASE ADJUSTMENT DEVICE AND MULTI-FREQUENCY ANTENNA |
摘要 |
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 further discloses a multi-frequency antenna, where the multi-frequency antenna applies the phase adjustment apparatus. The phase adjustment apparatus of the present invention may adjust a downtilt angle of an antenna unit in the multi-frequency antenna. |
申请公布号 |
EP2690708(A2) |
申请公布日期 |
2014.01.29 |
申请号 |
EP20110744284 |
申请日期 |
2011.04.14 |
申请人 |
HUAWEI TECHNOLOGIES CO., LTD. |
发明人 |
XIE, SHOUBO;ZHAO, LIMING;ZHAO, ZHIXIONG;LI, MAOBIN |
分类号 |
H01Q3/34;H01P1/18;H01Q1/24;H01Q3/30;H01Q3/32 |
主分类号 |
H01Q3/34 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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