Illumination apparatus with signal filters

摘要

An illumination apparatus is provided for outputting a light of mixed colors in a desired color temperature by controlling light outputs from light sources. The illumination apparatus includes a light output setting unit for outputting a set signal presenting a set value for adjusting an output of the light of mixed colors, and a first filter for smoothing the set signal from the light output setting unit. The illumination apparatus further includes a light output adjustment unit for adjusting the light outputs from the respective light sources based on the set signal smoothed by the first filter, and a plurality of second filters smoothing signals outputted from the light output adjustment unit to the light sources, respectively. Each of time constants of the second filters is lower than that of the first filter.

主权项

1. An illumination apparatus for outputting a light of mixed colors in a desired color temperature by controlling light outputs from a plurality of light sources which emit lights of different wavelengths, respectively, the illumination apparatus comprising:
a light output setting unit for outputting a set signal presenting a set value for adjusting an output of the light of mixed colors; a first filter for smoothing the set signal from the light output setting unit;a light output adjustment unit for adjusting the light outputs from the respective light sources based on the set signal smoothed by the first filter; anda plurality of second filters smoothing signals outputted from the light output adjustment unit to the light sources, respectively,
wherein each of time constants of the second filters is lower than that of the first filter.