Rear projection screen

Details Rear projection screen Rear projection screen

1982-06-08

1984-09-04

Wintercorn, Richard A.

G03B 2160

Patent

active

044694024

ABSTRACT:
Provided is a rear projection screen having a front surface receiving light rays from a projector and a viewing surface formed with a lenticulated surface in which lenticules each consisting of a crest, troughs and flanks interconnecting the crest and trough are continuously laid. The flank surface is provided with, on at least a part thereof, a total reflecting surface on which all light rays impinging thereto are reflected and then emanate from the crest through a medium interface thereof. Further, a concave surface is provided in each crest portion.

REFERENCES:
patent: 2510344 (1950-06-01), Law
patent: 2529701 (1950-11-01), Maloff
patent: 2738706 (1956-03-01), Thompson, Jr.
patent: 2870673 (1959-01-01), Schwesinger
patent: 3218924 (1965-10-01), Miller
patent: 3257900 (1966-06-01), Goodbar et al.
patent: 3279314 (1966-10-01), Miller
patent: 3578841 (1971-05-01), Elmer
patent: 3830556 (1974-08-01), Bratkowski

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