| 摘要 |
<p>An audio unit is disclosed, which comprises a vibration detection sensor which is installed in an audio unit; a control device which controls the power of the audio unit when a signal is not inputted from the vibration detection sensor until a certain time period; and a timer which sets a time at the control device which controls the power of the audio unit in accordance with the signal inputted from the vibration detection sensor.</p> |
