Method of lighting for colored shadows

Details Method of lighting for colored shadows Method of lighting for colored shadows

1977-05-19

1979-02-06

Goldberg, Gerald

Illumination

Plural light sources

Particular wavelength

362811, 362228, F21P 504

Patent

active

041387147

ABSTRACT:
Beautifully and balancedly colored shadows can be imparted by arranging color lamps in three R, G and B groups, illuminating an object to obtain colored shadows of the object to give the ratios of illuminances by the color light lamps; ##EQU1## in a range surrounded by the following ratios of j-k-l-m-n-e-f-j in the triangular coordinate of FIG. 2 wherein I.sub.R designates an illuminance by only the lamp in the R group; I.sub.G designates an illuminance by only the lamp in the G group and I.sub.B designates an illuminance by only the lamp in the B group.

REFERENCES:
patent: 3501852 (1970-03-01), Hartel et al.
patent: 3816739 (1974-06-01), Stolov
patent: 3945729 (1976-03-01), Rosen

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