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
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