发明名称 |
Antenna device and mobile communications apparatus including the device |
摘要 |
An antenna device includes: a radiator having a meander portion; and a conductor shorter than the radiator which is disposed opposite to the radiator. A coaxial cable is connected to the radiator and conductor. Respective line lengths of the radiator and conductor satisfy a predetermined relation with respect to a wavelength of a signal to be transmitted and received. The antenna device achieves at least one of improved antenna characteristics, downsizing, and improved mechanical strength.
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申请公布号 |
US6677905(B2) |
申请公布日期 |
2004.01.13 |
申请号 |
US20020075572 |
申请日期 |
2002.02.13 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
DEGUCHI FUTOSHI;KOMESU TOSHINORI;HIRATA AKIHIKO;TATE SUMIO |
分类号 |
H01Q1/24;H01Q1/36;H01Q9/04;H01Q9/42;(IPC1-7):H01Q9/18 |
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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