Projection screen and method for producing the same

Details Projection screen and method for producing the same Projection screen and method for producing the same

1991-04-26

1992-06-09

Wintercorn, Richard A.

Optical: systems and elements

Projection screen

Unitary sheet comprising plural refracting areas

359456, 359459, G03B 2160

Patent

active

051212528

ABSTRACT:
A projection screen is comprised of a sheet formed by a multiplicity of light-transmitting plastic strands which strands are arranged and welded in parallel with one another. The width W (mm) of the screen and the pitch p (mm) of the strands meet the following condition (1):

REFERENCES:
patent: 3561840 (1971-02-01), Seki et al.
patent: 4006965 (1977-02-01), Takada et al.
patent: 4682853 (1987-07-01), Broer et al.
patent: 4688093 (1987-08-01), van der Staak et al.
patent: 4767186 (1988-08-01), Bradley, Jr. et al.
patent: 4911529 (1990-03-01), Van De Ven

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