Multiple color light with structure to prevent color bleeding

Details Multiple color light with structure to prevent color bleeding Multiple color light with structure to prevent color bleeding

1987-12-08

1989-06-13

Lazarus, Ira S.

Illumination

Multiple filament light unit

With mask or screen for at least one filament

362231, 362293, 362298, F21V 900

Patent

active

048397792

ABSTRACT:
A light apparatus has a first source of light, a first surface for causing light transmitted therethrough from the first source to have a first color, a second source of light, a second surface for causing light transmitted therethrough from the second source to have a second color, and a coating on the second surface to prevent light from the first source that is transmitted through the first surface from passing through the second surface.

REFERENCES:
patent: 1262394 (1918-04-01), Schickerling
patent: 1374344 (1921-04-01), Williams
patent: 1460511 (1923-07-01), Richardson
patent: 1649975 (1927-11-01), Parks
patent: 1666876 (1928-04-01), Price
patent: 1923181 (1933-08-01), Albers
patent: 1998157 (1935-04-01), Fossum, Jr.
patent: 4644452 (1987-02-01), Kasboske
patent: 4713736 (1987-12-01), Kasboske

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