| 摘要 |
PURPOSE: To provide an emergency lighting device which can emergently turn on the other lamp by automatically switching predecided one lamp to the other lamp when the latter is faulty and a guide lamp apparatus. CONSTITUTION: An emergency lighting device 2 is provided with a detecting means 38 and backup emergency lighting switching means 40 in addition to an emergency lighting switching means 30 and is constituted so that the device 2 can emergently turn on another lamp 24 by inputting emergency power supply Vb to the other lighting circuit 23 in a backing-up state when one lamp 20 does not emergently light even when the emergency power supply Vb is supplied to predecided one lighting circuit 21 by means of an emergency lighting switching means 30. A guide lamp apparatus is constituted of this emergency lighting device and an apparatus main body having a housing section for housing the device and a display panel. |
