Light projector

Details Light projector Light projector

1978-05-24

1980-01-08

Lechert, Jr., Stephen J.

Illumination

Elongated source light unit or support

With or including transparent or translucent member

362210, 362225, 362240, 362241, 362243, 362245, 362263, F21S 300

Patent

active

041830776

ABSTRACT:
A light projector for providing uniform surface area illumination of the type utilized in motion picture studios or the like, employs a housing having a reflector arranged at one end and a Fresnel lens arranged at the other end. At least two linear light sources are located in the interior of the projector at right angles to the optical axis and are electrically connected to a three-phase energization circuit. The lamps are arranged in a star-shaped pattern, relative one to another, and each is a single, self-operating, interchangeable unit, such that by replacing only one of the lamps in the light projector the color temperature of the illumination may be maintained approximately at the desired value.

REFERENCES:
patent: 3087382 (1963-04-01), De Nygorden
patent: 3379868 (1968-04-01), Taillon

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