Curved screen, particularly motion-picture projection screen

Details Curved screen, particularly motion-picture projection screen Curved screen, particularly motion-picture projection screen

1986-11-18

1988-06-14

Wintercorn, Richard A.

52 81, G03B 2156

Patent

active

047508078

ABSTRACT:
The invention relates to a curved screen, particularly a motion-picture projection screen.
It comprises a bearing geodesic structure, a reticulated secondary frame fastened to the hubs of the bearing structure, and arched polygonal elements mounted on the secondary frame, the adjacent polygonal elements having their edges overlapping.

REFERENCES:
patent: 2978074 (1961-04-01), Schmidt
patent: 3848897 (1967-10-01), Hourdiaux
patent: 4057323 (1977-11-01), Ward, Jr.
patent: 4078351 (1978-03-01), Simpson

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