Projection screen assembly

Details Projection screen assembly Projection screen assembly

1977-10-05

1979-08-21

Wintercorn, Richard A.

G03B 2160

Patent

active

041651545

ABSTRACT:
The screen assembly includes a transparent plate which has one surface formed with lenticuler lens and the other surface matted, so as to diffuse light beams projected thereon and scatter in directions toward the surroundings of the screen assemby where the observers are situated, and not in directions upwards and downwards nor sidewards of the screen assembly.

REFERENCES:
patent: 3832032 (1974-08-01), Shimada

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