Projector apparatus

Details Projector apparatus Projector apparatus

1987-12-02

1989-06-13

Haroian, Harry N.

Optics: image projectors

Reflector

353DIG3, 353 77, G03B 21132, G03B 2128

Patent

active

048386863

ABSTRACT:
Projector apparatus including a light source, a projection head and a projection stage aperture for an object, the image of which is to be produced. The aperture is situated in the ray path between the light source and the projection head. An ellipsoidal mirror is situated in the light path between the light source and the aperture. One focal point of the ellipsoidal mirror substantially coincides with the light source and the other focal point of the mirror substantially coincides with the projection head. The projection head includes a deflection means. The projection head is situated substantially in a plane constituting a normal plane to the aperture plane and containing the front edge line of the aperture, as observed in the generally horizontal projection direction.

REFERENCES:
patent: 3752575 (1973-08-01), Ataka
patent: 3770344 (1973-11-01), Fukushima

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