Iris-producing lamp device

Details Iris-producing lamp device Iris-producing lamp device

1986-09-15

1987-12-29

Husar, Stephen F.

Illumination

Light source and modifier

Including selected wavelength modifier

35016218, F21V 900

Patent

active

047165065

ABSTRACT:
An iris-producing lamp device comprises one or more non-monochromatic light sources with its socket or sockets mounted on bracket. A paraboloid mirror may be disposed behind each lamp socket and a light source in the focus of the paraboloid mirror and the lamp shade is made of a grating-film iris-producing glass with a non-monochromatic light source in it. Thus the lamp shade can reflect not only its original color but also the other colors when the lamp is shut-off while transmitting a variety of colorful patterns and projecting them to objects around the lamp device when the lamp is on.

REFERENCES:
patent: 734133 (1903-07-01), Porter
patent: 1954199 (1934-04-01), Fraser et al.
patent: 2196214 (1940-04-01), Kantack
patent: 2313489 (1943-03-01), Latrobe
patent: 3379869 (1968-04-01), Dorman
patent: 3522424 (1970-08-01), Fritsch
patent: 4525772 (1985-06-01), Peck

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