Optical system

Details Optical system Optical system

1987-01-16

1989-08-01

Arnold, Bruce V.

Optics: image projectors

Plural projection paths with single light source

350167, 353102, G02B 1318, G02B 2700

Patent

active

048529800

ABSTRACT:
An optical system for illuminating an object, including an entrance pupil for receiving light from a light source, an exit pupil for passing the light received to an object to be illuminated, and an optical axis which extends through the optical sytem to the light source and the object respectively, wherein the entrance height of the light received in the entrance pupil is substantially proportioned to the tangent of the exit angle in the exit pupil.

REFERENCES:
patent: 3702395 (1972-11-01), Rosendahl
patent: 4412726 (1983-11-01), Horimoto

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