发明名称 |
PIFA antenna apparatus for mobile communications terminals |
摘要 |
A PIFA antenna device is provided which includes an HF input/output and two antenna surfaces respectively having a contact with the ground of a mobile communication terminal. The first antenna surface is configured for two independent frequencies and the second antenna surface is configured for a third independent frequency. Only the first antenna surface is connected to the HF input/output and the second antenna surface is arranged in a contactless manner with respect to the first antenna surface, whereby an electromagnetic coupling occurs between both antenna surfaces.
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申请公布号 |
US7102575(B2) |
申请公布日期 |
2006.09.05 |
申请号 |
US20030432789 |
申请日期 |
2003.11.24 |
申请人 |
SIEMENS AKTIENGESELLSCHAFT |
发明人 |
PAN SHENG-GEN |
分类号 |
H01Q1/24;H01Q5/00;H01Q9/04 |
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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