| 发明名称 |
ANTENNA DEVICE AND COMMUNICATION EQUIPMENT USING THE DEVICE |
| 摘要 |
An antenna device which includes the first antenna element having one end open and the other end connected to a power feeder, and the second antenna element. having both ends open. The second antenna element is disposed on the outer peripheral surface of the first antenna element in insulated state. The other end of the first antenna element is connected to the power feeder through the first ring-shaped conductor. <IMAGE> |
| 申请公布号 |
EP1432066(A4) |
申请公布日期 |
2005.03.23 |
| 申请号 |
EP20020765586 |
申请日期 |
2002.09.18 |
| 申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
IGUCHI, AKIHIKO;SATOH, YUKI;FUKUSHIMA, SUSUMU |
| 分类号 |
H01Q21/30;H01Q1/24;H01Q1/36;H01Q1/38;H01Q1/48;H01Q5/00;H01Q5/01;H01Q9/04;H01Q9/30;H01Q9/42;H01Q13/08;H04B1/38;H04M1/02;(IPC1-7):H01Q1/24 |
主分类号 |
H01Q21/30 |
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