| 摘要 |
PURPOSE:To light each light source in a stable condition when the light color of an illuminating light is made variable by the mixing color of light sources which have plural light colors. CONSTITUTION:The red system, the green system, and the blue system of light sources 2R1, 2R2, 2G1, 2G2, 3B1, and 2B2 are provided giving two sets for each color. One side light source 2B2 of the blue system is connected to a dimmer 4B through a switch element SWB. When the light quantity set to a light quantity data memory 6 is less than 40%, the switch element SWB is turned off, and at the same time, the dimming level of the light source 2B1 is corrected to the two times. |
