(under subclass 230) Subject matter having at least one source of light emitting light having a spectral distribution different from the light emitted by at least one other source, or having at least two modifiers each of which affects light of one selected wavelength differently from light of another wavelength, the selected wavelengths of the two modifiers being different.
SEE OR SEARCH THIS CLASS, SUBCLASS:
1+, for subject matter for producing particular wavelengths for the purpose of simulating daylight.
