Method of producing a printing plate on a cylindrical...

Details Method of producing a printing plate on a cylindrical... Method of producing a printing plate on a cylindrical...

2007-05-29

2007-05-29

Lamb, Twyler (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S001900, C358S003010, C358S003210, C101S142000, C101S215000, C101S217000, C101S492000, C101S484000

Reexamination Certificate

active

10401254

ABSTRACT:
A method of producing a printing plate on a cylindrical printing-plate carrier includes subdividing the printing-plate carrier by computation in terms of its width and axial length into at least two circumferential subareas. Then an actual transfer characteristic curve for each subarea is determined and compared by computation with a predetermined desired printing characteristic curve for each subarea to find a deviation. The method further includes calculating a correction to compensate for each deviation; receiving a digital image data in a first data format using a raster image processor; converting the digital image data into machine-specific image data including the position and the tonal value in the form of a bitmap; applying the correction for a predetermined desired printing characteristic curve for the edition print to the machine-specific image data using the raster image processor; and supplying the corrected machine-specific image data to an imagesetting unit.

REFERENCES:
patent: 5500801 (1996-03-01), Löffler
patent: 5602970 (1997-02-01), Janser
patent: 6213019 (2001-04-01), Muller
patent: 2002/0043172 (2002-04-01), Hauck

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