Reflection type screen

Details Reflection type screen Reflection type screen

1979-11-07

1981-11-03

Wintercorn, Richard A.

350128, 350129, G03B 2156

Patent

active

042982464

ABSTRACT:
A reflection type screen is made of a transparent substrate which has many convex lenses on the front surface and many mirror planes and black planes on the rear surface. Each lens has a focal length so as to form a focus behind the rear surface as a reflective plane. A part of incident rays is reflected on the mirror planes and the other part of the incident rays is absorbed into the black planes.

REFERENCES:
patent: 1942841 (1934-01-01), Shimizu
patent: 2991693 (1961-07-01), MacNeille
patent: 3191495 (1965-06-01), Miller
patent: 3408132 (1968-10-01), Chandler et al.

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