发明名称 |
Directional coupler, antenna device, and transmitting-receiving device |
摘要 |
A first transmission line and a second transmission line are caused to be partially opposite to each other, and by use of the opposite portions of the first transmission line and the second transmission line, the first transmission line and the second transmission line are relatively shifted in parallel from their opposite state to their non-opposite state.
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申请公布号 |
US6441699(B2) |
申请公布日期 |
2002.08.27 |
申请号 |
US20010928208 |
申请日期 |
2001.08.10 |
申请人 |
MURATA MANUFACTURING CO., LTD. |
发明人 |
YAMADA HIDEAKI;TANIZAKI TORU;HIGASHI KAZUTAKA |
分类号 |
H01Q3/16;G01S7/03;G01S13/34;H01P1/10;H01P5/04;H01P5/18;H01Q3/12;(IPC1-7):H01P5/18;H01P5/02 |
主分类号 |
H01Q3/16 |
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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