| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a radio controlled timepiece having high reception sensitivity, wherein a timepiece armor and a cover member are constituted of a metal, and the cover member such as a back lid is a screw type. <P>SOLUTION: This timepiece has an inner extension part inside the timepiece armor and a middle frame independently of the timepiece armor, and the cover member is fitted with the middle frame by a screw mechanism part, and the inner extension part is inserted therebetween. Each pair of the inner extension part and the cover member, and the inner extension part and the middle frame is in contact with each other respectively through an insulating body. When the cover member is used as the back lid, even if a screw type back lid constituted of a metal is adopted, complete electric insulation between the timepiece armor and the back lid can be acquired by this constitution. <P>COPYRIGHT: (C)2008,JPO&INPIT |
