发明名称 |
Antenna system and method for making the same |
摘要 |
An antenna system adapted for a communication device has a common antenna with a predetermined length, an AM matching circuit matching with the common antenna and an FM matching circuit matching with the common antenna. A switch alternatively electrically connects the common antenna to the AM matching circuit and the FM matching circuit for achieving the AM function and FM function.
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申请公布号 |
US7936315(B2) |
申请公布日期 |
2011.05.03 |
申请号 |
US20080242235 |
申请日期 |
2008.09.30 |
申请人 |
CHENG UEI PRECISION INDUSTRY CO., LTD. |
发明人 |
YU CHAO-HUI;CHEN HUNG-JEN;WU YU-YUAN |
分类号 |
H01Q1/50 |
主分类号 |
H01Q1/50 |
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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