Method and system for digital imaging of printing forms
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United States of America Patent
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Feb 8, 2011
Grant Date -
Jun 17, 2004
app pub date -
Dec 8, 2003
filing date -
Dec 9, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for digital imaging of a printing form (10) through application of energy is described, in which a burn-off area (66) is detachably fixed by supporting points (68, 84), supporting points (68, 84) being left in place on the printing form (10) through non-imaging of image spots (112) and in which the burn-off from the burn-off area (66) is detached from the printing form (10) in a cleaning step. A supporting point (68, 84) at a reference point is left in place precisely if the number of image spots (110) to be imaged in a surrounding area (18) of the reference point (12) exceeds a limit value and a boundary area (20) in the surrounding area (18) around the reference point (12) contains only image spots (110) to be imaged. The method may be used in a system for digital imaging of printing forms (10) having an energy source (86), a cleaning unit (70), a control unit (96), and an image processing unit (98) with a computing unit (100), in particular with a raster image processor (RIP) (102) in a printing unit of a printing press.
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