发明名称 |
Antenna for mobile wireless communications and portable-type wireless apparatus using the same |
摘要 |
An antenna for mobile wireless communications in which two built-in antennas 101, 102 having a bisymmetric shape arranged in an axi-symmetric location of a ground plate 105 and, by feeding both of the antennas by using a balanced-to-unbalanced conversion circuit 106 at the same amplitude and the phase difference of 180 degrees, balanced operations are performed.
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申请公布号 |
US6549169(B1) |
申请公布日期 |
2003.04.15 |
申请号 |
US20000691283 |
申请日期 |
2000.10.18 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
MATSUYOSHI TOSHIMITSU;OGAWA KOICHI;IWAI HIROSHI |
分类号 |
H01Q1/24;H01Q1/38;H01Q3/26;H01Q9/04;H01Q21/28;H01Q21/30;(IPC1-7):H01Q1/24;H01Q1/48 |
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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