Contact screen for making color separation halftone blocks

Details Contact screen for making color separation halftone blocks Contact screen for making color separation halftone blocks

1980-08-12

1982-07-27

Murray, Richard

Facsimile and static presentation processing

Static presentation processing

Attribute control

350317, H04N 146

Patent

active

043420460

ABSTRACT:
A contact screen for making color separation halftone blocks, for use in a picture reproducing machine, wherein a plurality of halftone screens having different screen angles are arranged on a base film in the corresponding positions to color separation reproduction pictures to be reproduced on the base film, and wherein transparent blank spaces are formed between the two adjacent halftone screens.

REFERENCES:
patent: 2428945 (1947-10-01), Singer
patent: 4151555 (1979-04-01), Burnett

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