Dual screen system

Details Dual screen system Dual screen system

1983-10-04

1986-09-02

Corbin, John K.

350169, G02B 2714

Patent

active

046092536

ABSTRACT:
A dual screen filming apparatus has a fully reflective mirror positioned in the optical path of part of a projected image at an angle of 45.degree.. The mirror reflects the part of the projected image onto a first front projection screen set at 90.degree. to the path of the reflected image. The mirror also has a non-reflecting portion which lies in the path of the remainder of the projected image and is arranged to allow the light to pass therethrough without reflection onto a second front projection screen. The light reflected from the first and second screens is collected by a semi-reflective mirror, positioned intermediate the projector, and the fully reflective mirror and is directed into the lens of a camera to provide a composite image.

REFERENCES:
patent: 3666346 (1972-05-01), Lucas

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