Anti-glare device and method

Details Anti-glare device and method Anti-glare device and method

1982-07-22

1984-09-25

Punter, William H.

350167, 350276R, G02B 2700, G02B 2728

Patent

active

044732775

ABSTRACT:
An anti-glare device for a transmission screen includes a layer of transparent material having a front surface and a back surface. The front surface is provided with a saw-toothed profile, while the back surface is bonded to a circular polarizer. By mounting the anti-glare device a predetermined distance in front of a transmission screen, glare due to ambient light can be substantially eliminated without producing echo images.

REFERENCES:
patent: 1610423 (1926-12-01), Cawley
patent: 2200646 (1940-05-01), Strong et al.
patent: 2887566 (1959-05-01), Marks
patent: 2918670 (1959-12-01), Cusano et al.
patent: 4012115 (1977-03-01), Brown
patent: 4165920 (1979-08-01), Brown

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