| US 7,586,648 B2 | ||
| Variable-dot halftoning | ||
| David J. Evans, London (United Kingdom); and Ronald Veck, London (United Kingdom) | ||
| Assigned to CADlink Technology Corporation, Ontario (Canada) | ||
| Filed on Nov. 02, 2005, as Appl. No. 11/264,036. | ||
| Claims priority of provisional application 60/624172, filed on Nov. 03, 2004. | ||
| Prior Publication US 2006/0092472 A1, May 04, 2006 | ||
| Int. Cl. H04N 1/405 (2006.01) | ||
| U.S. Cl. 358—3.06 [358/3.2; 358/1.16] | 13 Claims |
| 1. A method for enabling a program that communicates a document description from a composition system to a printing system
to manage variable-dot halftones for use with variable-dot printing devices, comprising:
using a selected halftone cell size to choose an array comprising at least one string defining a halftone cell intensity value,
said string comprising at least one pixel imbution value, wherein said pixel imbution value is in the range of 0 to P, wherein
P is the number of physical appearances that a painted pixel can have;
using a selected halftone cell intensity value to choose a string; and
painting at least one pixel within a halftone cell according to a pixel imbution value within the chosen string.
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