发明名称 |
Antenna apparatus, communication apparatus, and antenna apparatus designing method |
摘要 |
For a PDC (Personal Digital Cellular) folding cellular phone that uses, for example, an 800-MHz band for communication, it is desirable to reduce a height of an antenna apparatus in order to reduce a thickness of the cellular phone. An antenna apparatus including an antenna element having a feeding plate, a ground plate arranged opposite the antenna element, a short circuit section that connects the antenna element and the ground plate together, and one or more ground wires each connected to the ground plate at a predetermined position and each having a (1) linear shape or a (2) bent or curved shape.
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申请公布号 |
US7362271(B2) |
申请公布日期 |
2008.04.22 |
申请号 |
US20030347060 |
申请日期 |
2003.01.17 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
IWAI HIROSHI;YAMAMOTO ATSUSHI;YAMADA KENICHI;KAMAEGUCHI SHINJI |
分类号 |
H01Q1/38;H01Q1/08;H01Q1/24;H01Q1/48;H01Q9/04 |
主分类号 |
H01Q1/38 |
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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