发明名称 |
ANTENNE UND DIE ANTENNE VERWENDENDE KOMMUNIKATIONSEINRICHTUNG |
摘要 |
An antenna system includes a substrate, a ground on the substrate, a first radiator having a helical shape near a side of the substrate and having a central axis substantially in parallel to a side of the ground, and a high frequency circuit electrically connected to a part of the first radiator. In the antenna system, ground-induced degradation of antenna gain can be reduced, and matching can be performed at an operating frequency through adjustment of a winding of the first radiator. Consequently, the radiation gain of the antenna system can be improved without an antenna matching circuit. <IMAGE> |
申请公布号 |
DE60128393(D1) |
申请公布日期 |
2007.06.21 |
申请号 |
DE2001628393 |
申请日期 |
2001.12.14 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO. LTD. |
发明人 |
FUKUSHIMA, SUSUMU;SUEOKA, KAZUHIKO;AOYAMA, MOTOHARU |
分类号 |
H01Q1/24;H01Q1/36;H01Q5/00;H01Q7/00;H01Q11/08;H01Q21/30 |
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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