Variable color luminaire

Details Variable color luminaire Variable color luminaire

H - Electricity

05

B

H05B 37/02 (2006.01) H05B 41/392 (2006.01)

Patent

CA 2104738

A variable color luminaire is arranged for controlling a plurality of light sources of different emission colors to be at predetermined dimming levels by means of dimmers, performing a comparison operation to obtain a quantity-of-light ratio and a reference quantity-of-light ratio from detection signals with respect to light outputs of the light sources detected by detectors, and subjecting the light sources to a quantity-of-light correction by means of a corrector according to results of the comparison operation so as to attain a blended color light as set, whereby the resultant blended color light can be prevented from deviating from the set blended color light even when dimming quantity of the respective light sources is close to upper and lower dimming limits.

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