| 摘要 |
<p>The invention is an emergency lighting system for elevator enable to supply an emergency power to the AV device in case of elevator power off to illuminate the inner space of the elevator. The invention comprises a display device 10 provided in the inner space of the elevator cage 100 to display an AV signal, and an emergency power supply 20 connected to the display device 10 to supply the electric power instead of the ordinary power supply in case of elevator power off, the display device 10 having an AV output 11 to display the AV signal, and a controller 12 to control the power supply and the AV output, the controller being capable of switching the ordinary power supply to the emergency power supply 20 in case of the elevator power off.</p> |
