Size modulated stochastic screening

Radiation imagery chemistry: process – composition – or product th – Including control feature responsive to a test or measurement

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Details

430204, 430264, 430301, 430302, 430494, 358475, 358298, 358480, G03F 707, G03F 720

Patent

active

056770936

ABSTRACT:
A method for generating a screened reproduction of a multiple tone image comprises the steps of frequency modulation or stochastic screening the multiple image to obtain screened data representing tones of the multiple tone image in terms of halftone dots; reproducing the halftone dots on an imaging element by means of a scanwise exposure, wherein the size or composition of the halftone dot is modulated, by varying the number of microdots (or rels) composing a halftone dot.

REFERENCES:
patent: 5196290 (1993-03-01), Coppens et al.

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