Dynamic color pattern generator

Details Dynamic color pattern generator Dynamic color pattern generator

1974-08-20

1976-03-23

Haroian, Harry N.

Optics: image projectors

Miscellaneous

353 77, G03B 2100

Patent

active

039457222

ABSTRACT:
To produce the most pleasing display of the color patterns, the colored light, which is produced by interference of light waves from the two surfaces of a thin liquid film, is separated from the principal beam of the incident light, magnified, and projected onto a screen. Reflection from the thin liquid film is specular reflection (angle of reflection equals angle of incidence). The position of the projection lens is determined by the position of the light source. Thin liquid films, such as soap bubbles, reflect colored light by interference of light waves which reflect from the front and back surfaces of the films. The color of the light is a function of the thickness of the film.

REFERENCES:
patent: 2417621 (1947-03-01), Traub
patent: 2953676 (1960-09-01), Glasser et al.
patent: 3689139 (1972-09-01), Gross et al.

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