| 发明名称 |
Variable extended cable antenna for a cellular telephone |
| 摘要 |
A variable extended cable antenna designed for cellular telephone use and which has two electrical functions; first, as a fully extended directly coupled helical top loaded +E,fra 3/4+EE wave antenna and second, as a +E,fra 1/4+EE wave helical antenna when it is recessed down into the cellular telephone.
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| 申请公布号 |
US6018321(A) |
申请公布日期 |
2000.01.25 |
| 申请号 |
US19970851182 |
申请日期 |
1997.05.05 |
| 申请人 |
CENTURION INTERNATIONAL, INC. |
发明人 |
SIMMONS, KENNETH D.;PRICE, STEPHEN P. |
| 分类号 |
H01Q1/24;(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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