| 摘要 |
PURPOSE: To enable safe evacuation from a room when the power source is turned off owing to the earthquake or the like, by incorporating specified parts into a small table lamp. CONSTITUTION: A charger 6 charges a battery 5 by the power source of AC100V. In the power failure owing to the earthquake or in the power failure due to the exceeding of allowance, a relay switch 2 is operated, and a small table stand 1 is turned on by power charged in the battery 5. When the power source is returned to the normal power source, the relay switch 2 senses that, and the battery 5 is charged. Also, when the power failure is not generated by the earthquake in light-out in the midnight, a vibration sensor 3 is operated, and the small table stand 1 is turned on. |
