发明名称 |
Antenna apparatus and wristwatch radio communication device using same |
摘要 |
An antenna apparatus for use in a wristwatch radio communication device equipped with, for example, a PHS is provided. The antenna apparatus includes a loop conductor and a feed. The loop conductor has a given length and connects electrically at one end to a ground plate installed in the wristwatch radio communication device. The feed is disposed between the other end of the loop conductor and the ground plate. This provides a higher horizontal pattern average gain both during conversation and waiting times of radio communication.
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申请公布号 |
US6765846(B2) |
申请公布日期 |
2004.07.20 |
申请号 |
US20010757635 |
申请日期 |
2001.01.11 |
申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
SAITOU YUTAKA;NAGANO ISAMU;HARUKI HIROSHI |
分类号 |
H01Q1/24;H01Q1/08;H01Q1/27;H01Q1/44;H01Q7/00;H04Q7/32;(IPC1-7):G04B47/00;G04B37/00 |
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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