| 发明名称 |
Directional coupler, antenna device, and transmitting - receiving device |
| 摘要 |
<p>A directional coupler including a first transmission line (20a) and a second transmission line (30a) adjacent to the first transmission (20a) line, the relative positions of the first transmission line (20a) and the second transmission line (30a) being changeable, a patch antenna (14a) connected to a part of the directional coupler, and a driving mechanism for driving the directional coupler and the patch antenna (14a). <IMAGE></p> |
| 申请公布号 |
EP0973226(A2) |
申请公布日期 |
2000.01.19 |
| 申请号 |
EP19990113099 |
申请日期 |
1999.07.06 |
| 申请人 |
MURATA MANUFACTURING CO., LTD. |
发明人 |
TANIZAKI, TORU;TAKAKUWA, IKUO;NAGAI, TOMOHIRO;HIGASHI, KAZUTAKA |
| 分类号 |
G01S7/28;H01P5/04;H01P5/18;H01Q3/08;H01P3/08;G01S7/03;(IPC1-7):H01P5/18 |
主分类号 |
G01S7/28 |
| 代理机构 |
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代理人 |
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