EARTHQUAKE DETECTING DEVICE AND EVACUATION GUIDE SYSTEM USING SAME WHEN ATTACKED BY EARTHQUAKE

摘要

PROBLEM TO BE SOLVED: To provide such an earthquake detecting device and an escape guide system when attacked by an earthquake in a way that people in a room can safely escape if an earthquake takes lace. SOLUTION: When an earthquake sensor 19 detects a tremor of the 4th degree or larger on the seismic scale and a photosensor 20 detects the ambient lightness being less than a specific value, a light emitting means 12 emits light in the direction to a door.