发明名称 |
Antenna structure and radio correction clock |
摘要 |
An object of the present invention is to provide an antenna structure having high reception performance and having neither material limitations nor design limitations, and to provide a radio controlled wristwatch utilizing the antenna structure as mentioned above, and further wherein the present invention relates to an antenna structure to be used inside a metal outer casing and having a configuration which receives radio wave, the antenna structure being characterized by having a structure wherein a coil is wound about a magnetic core and being able to receive a magnetic flux from outside the metal outer casing. |
申请公布号 |
US2005146472(A1) |
申请公布日期 |
2005.07.07 |
申请号 |
US20040511912 |
申请日期 |
2004.10.20 |
申请人 |
IHARA TAKASHI;TAKAHASI SHIGEYUKI |
发明人 |
IHARA TAKASHI;TAKAHASI SHIGEYUKI |
分类号 |
G04G21/04;H01Q1/27;H01Q7/08;(IPC1-7):H01Q1/12 |
主分类号 |
G04G21/04 |
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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