| 摘要 |
A vibrator is provided to inform a user that he/she is unconscious through vibration by sensing the expansion of user's skin or abdomen when the user is in the state of being unconscious. A vibrator includes a vibration portion(110) and an operation portion. The operation portion is formed as a push switch, and when user's skin is expanded, the push switch reacts. A touch switch is able to be applied in the switch of the operation portion. A recess is formed on the outer surface of the vibration portion, and a battery terminal(234) in which a battery(232) is coupled is formed at the inner surface of the recess. A circuit and a device generating vibration are installed inside the vibration portion. A hinge type cover(231) is attached to the corner of the vibration portion.
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