| 发明名称 |
Antenna for portable radio communication apparatus. |
| 摘要 |
<p>An antenna mounted on and retractable into a casing of a portable radio communication apparatus. When the antenna is pulled out of the casing, it plays the role of a lambda /2 whip antenna. Even when the antenna is retracted into the casing, it has substantially the same gain as when pulled out from the casing. <IMAGE></p> |
| 申请公布号 |
EP0609103(A1) |
申请公布日期 |
1994.08.03 |
| 申请号 |
EP19940300673 |
申请日期 |
1994.01.28 |
| 申请人 |
NEC CORPORATION |
发明人 |
YOKOYAMA, YUKIO, C/O NEC CORPORATION;SEKIYA, KAZUO, C/O NEC CORPORATION;TAKAMORO, KENJI, C/O NEC CORPORATION |
| 分类号 |
H01Q1/24;H01Q1/10;H01Q9/14;(IPC1-7):H01Q1/24 |
主分类号 |
H01Q1/24 |
| 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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