| 摘要 |
PURPOSE: A multi-functional wrist watch is provided to prevent the loss of personal belongings of a user. CONSTITUTION: A multi-functional wrist watch is provided with a vibration means (500). The vibrating means has a function of vibration using a power source applied to a watch body (10) or watch bands (20,30) and comprises a motor, an eccentric cam, and a control unit. The motor is built in a case and is operated with a battery in the watch body or a battery stored in the case. The eccentric cam is provided on the rotary shaft of the motor to provide the vibration force to the case in the eccentric rotation. In case a sensor provided on an external body is out of the range of a predetermined distance value from the vibration means, the control unit outputs a sensing value to operate the vibration means. |
