Echo reduction improvement in a front face glare reduction overl

Details Echo reduction improvement in a front face glare reduction overl Echo reduction improvement in a front face glare reduction overl

1977-07-27

1979-08-28

Corbin, John K.

350127, G02B 2700

Patent

active

041659201

ABSTRACT:
An overlay for use on a transmission screen is disclosed which reduces front face glare by providing a plurality of inclined surfaces on the front surface thereof to deflect ambient light away from the viewing area. A coating of opaque material is applied to the peaks of the inclined surfaces to substantially eliminate "echos" of the image being viewed.

REFERENCES:
patent: 2909770 (1959-10-01), Pugsley
patent: 3279340 (1966-10-01), Ramberg et al.
patent: 4012115 (1977-03-01), Brown

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