Offset printing method

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United States of America Patent

PATENT NO 9242449
APP PUB NO 20130312629A1
SERIAL NO

13872290

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An offset printing method includes creating halftone dots corresponding to a printed image and formed of printing ink, on a surface of a transfer cylinder and transferring the halftone dots to a printing substrate while the transfer cylinder rotates about its longitudinal axis. A halftone value in a printed image on the printing substrate is adjusted to a desired value by modifying a halftone dot size. The offset printing method improves the quality of the printed image by increasing the halftone dot size by a desired amount by providing a relative offset between a device that creates the halftone dots and the surface of the transfer cylinder.

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First Claim

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Patent Owner(s)

  • HEIDELBERGER DRUCKMASCHINEN AG

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Buck, Bernhard Heidelberg, DE 16 41
Hauck, Axel Karlsruhe, DE 33 109

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