| 摘要 |
<p>An alarm apparatus comprising a rotatably mounted eccentric weight (5); a motor (1,2) for effecting rotation of the eccentric weight (5) at an alarm time so as to cause vibration of the eccentric weight (5) and thereby provide an alarm, and control means for operating the motor (1,2) at the alarm time characterised in that the eccentric weight (5), the motor (1,2) and the control means are all mounted in a common case (10,17).</p> |
