Patent ID: 6724690
Filing Date: 2004-04-20
Classification: G04B,G04G,G04R,G06K

Abstract:
A wrist watch containing tag comprising:a watch case having a ring-shaped frame, a glass lid which seals a top side of the ring-shaped frame, and a bottom lid which seals a bottom side of the ring-shaped frame; a drive section which is accommodated inside said watch case; a display section for displaying time which is accommodated inside the watch case and is driven by said drive section; and an RFID tag which is accommodated inside the watch case and comprises an antenna and an IC chip; wherein, the antenna comprising a wound coil which runs along the inner face of said ring-shaped frame so as to surround said drive section; at least one of said ring-shaped frame and said bottom lid comprising a metal material, and in addition, a slit for preventing the generation of inductive current being provided in at least one of said ring-shaped frame and said bottom lid which comprise(s) the metal material.