CPC G04R 60/12 (2013.01) [G04C 10/02 (2013.01); G04G 17/04 (2013.01); G04R 20/02 (2013.01)] | 12 Claims |
1. A radio wave watch comprising:
an exterior case;
a dial plate disposed within the exterior case;
a substrate disposed on a rear side of the dial plate within the exterior case;
a first ground layer disposed on the substrate;
an antenna that has a planar emitting electrode disposed between a center of the exterior case and an inner wall surface of the exterior case and opposed to the first ground layer, a planar short-circuit part electrically connecting an end part of the emitting electrode to the first ground layer, and a connecting part connecting the emitting electrode to a receiving circuit of the substrate; and
a second ground layer disposed on an opposite side to the emitting electrode side across the short-circuit part on the substrate and having a width equal to or greater than a width of the short-circuit part.
|