LIGHT-CONTROLLED LIGHTING DEVICE AND SIGHT LINE GUIDING SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a light-controlled lighting device using LEDs as light sources capable of replacing that using an incandescent lamp as a light source without changing a control part supplying light control voltage.

SOLUTION: The sight line guiding lamp 21-1, as a light-controlled lighting device emitting light with a quantity of light corresponding to a light control voltage level input from the control part 4, comprises a plurality of LEDs 31 lighted by the power depending on the light control voltage level, and an LED driving circuit 32 lighting the plurality of LEDs 32 by the power depending on the light control voltage level so that the lamp gets into a light-controlled state corresponding to the light control voltage level.

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