Optical filter device

Details Optical filter device Optical filter device

1980-04-30

1982-11-09

Mancene, Gene

Card, picture, or sign exhibiting

Display with special effects

Selective or intermittent illumination

40579, 40560, 353 75, 350317, 350319, H04N 572, H01J 6140, G09F 1300

Patent

active

043577717

ABSTRACT:
An optical filter transforms defined color light images from television sets, projectors, and the like, into an endless variety of color abstracts. A plurality of light-collector channels conduct light from a color image to a translucent display screen, each channel diffusing and averaging light passing therethrough.

REFERENCES:
patent: 1791994 (1931-02-01), Altenburg
patent: 2371172 (1945-03-01), Hotchner
patent: 2398799 (1946-04-01), Miller
patent: 3627926 (1971-12-01), Nichols
patent: 3646266 (1972-02-01), Hassell
patent: 3657474 (1972-04-01), Turnrose
patent: 3867630 (1975-02-01), Urban
patent: 4045895 (1977-09-01), Work
patent: 4196010 (1980-04-01), Sandhu
patent: 4246713 (1981-01-01), Eckert

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