| 发明名称 |
DIRECTIONAL COUPLER, ANTENNA DEVICE, AND TRANSMITTING-RECEIVING DEVICE |
| 摘要 |
A directional coupler including a first transmission line and a second transmission line adjacent to the first transmission line, the relative positions of the first transmission line and the second transmission line being changeable, a patch antenna connected to a part of the directional coupler, and a driving mechanism for driving the directional coupler and the patch antenna.
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| 申请公布号 |
CA2276979(C) |
申请公布日期 |
2003.04.08 |
| 申请号 |
CA19992276979 |
申请日期 |
1999.07.06 |
| 申请人 |
MURATA MANUFACTURING CO., LTD. |
发明人 |
NAGAI, TOMOHIRO;TAKAKUWA, IKUO;TANIZAKI, TORU;HIGASHI, KAZUTAKA |
| 分类号 |
H01P3/08;G01S7/03;G01S7/28;H01P5/04;H01P5/18;H01Q3/08;(IPC1-7):H01P5/04;G01S13/72 |
主分类号 |
H01P3/08 |
| 代理机构 |
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