Autotypical screening with optimised dotshape
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United States of America Patent
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Mar 16, 1999
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N/A
app pub date -
Nov 12, 1996
filing date -
Nov 17, 1995
priority date (Note) -
Expired
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Abstract
A method for generating a screened reproduction of a multiple tone image comprises the steps of autotypical or amplitude modulation screening the multiple tone 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 scan-wise exposure by means of a laser or a LED, wherein in extreme regions of the tone scale the shape of the halftone dots is compact, characterized in that the halftone dots have a ratio of peripheral length to surface area which is minimal.
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