发明名称 |
Mobile communication terminal |
摘要 |
Embodiments of the present invention are directed to a mobile communication device that includes a plurality of antennas for receiving signals and is configured to reduce the deterioration of the antennas characteristics. In specific embodiments the mobile device is a folding type mobile communication terminal having the structure that permits easy opening or closing and enabling stabilization of the antenna characteristic. In one embodiment, a mobile communication device comprises a plurality of antennas configured to receive signals; a signal processing circuit configured to combine and process the signals received from the plurality of antennas; and a phase alignment circuit provided for each of the plurality of antennas and configured to subject a phase of a signal received by each of the plurality of antennas to an in-phase adjustment.
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申请公布号 |
US7139533(B2) |
申请公布日期 |
2006.11.21 |
申请号 |
US20030641907 |
申请日期 |
2003.08.15 |
申请人 |
HITACHI, LTD. |
发明人 |
KATAGISHI MAKOTO;TAKAKI TAKU;CHIBA YUTAKA;KUMEKAWA MASANOBU;HOSHINO KAZUNORI |
分类号 |
H04B1/02;H01Q1/24;H01Q3/30;H01Q21/28;H04B1/38;H04B7/02 |
主分类号 |
H04B1/02 |
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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