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System for halftone screen production
   
Document Number
US Patent 7492480
Issued Date
February 17, 2009
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Inventors
Russell; Gary (Cincinnati, OH)
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Abstract
Method, apparatus and program product generates a threshold array that contains at least one halftone cell having overlapping or dissimilar dots.
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Number of Claims:
67
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Published
February 17, 2009
Application Number
09/939,932
Filed
August 27, 2001
US Classification
358/3.09   358/3.06 358/3.11 358/3.12
Int'l Classification
G06K   15/00   (20060101)   H04N   1/405   (20060101)  
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Assistant Examiner
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USPTO Field of Search
358/1.9   358/3.02   358/3.09   358/3.06   358/3.11   358/3.12   358/3.2   358/3.16  
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