| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an alarm clock capable of waking only a specific person up. SOLUTION: This alarm clock is provided with an arm band 5 to be worn on an arm, and an alarm clock 3 with a transmitter 19 provided separately from the arm band 5 to transmit a signal B at set time. The arm band 5 is provided with a receiver 27 to receive the signal B from the transmitter 19 and a vibrator 29, and the vibrator 29 vibrates at the time when the receiver 27 receives the signal B from the transmitter 19.</p> |
