| 摘要 |
<p>PURPOSE: To provide a safety apparatus wherein lighting can be secured and evacuee can be guided when an earthquake occurs. CONSTITUTION: A vibration detector 2 including a switch which is turned on in response to an earthquake of a predetermined magnitude or stronger is provided. A means for holding an ON-state of the switch is provided, A series circuit of a dry battery 5 and a lamp 4 is connected between an end and the other end of the switch. The lamp 4 is lit on an earthquake, and also the lit lamp is held to secure lighting as well as to obtain an effect for guiding evacuee.</p> |
