| 摘要 |
PURPOSE: A radio paging apparatus using a mobile communication terminal is provided to ring a notifying sound of a mobile communication terminal by calling a mobile communication terminal by pressing a call button of a charger when the mobile communication terminal is lost at home, thereby easily finding out the mobile communication terminal. CONSTITUTION: A call transmitting element is installed at a charger for transmitting a call signal according to specific call button input. A notifying element is installed at a mobile communication terminal(200) to receive the call signal, and then generates a notifying sound. The notifying element includes an RF signal converter(202) converting an RF band signal into a digital signal, a central processing unit(203) outputting a control signal according to the output signal of the RF signal converter, a driving unit(204) outputting a driving signal by the control signal, and a notifying unit(205) receiving the driving signal to ring the notifying sound.
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