| 摘要 |
A terminal unit of a mobile communication system of the type using a vibrating device for alerting the user of the terminal unit to an incoming call by vibration. The terminal unit has a flat belt clip which is the single member of the terminal unit positioned closest to the user's body when the unit is put on the user's body. A piezoelectric element or similar vibration source included in the vibrating device is securely received in a recess which is formed in the body of the belt clip.
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