Offset printing press for printing securities having quality inspection camera
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United States of America Patent
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Jun 2, 2020
Grant Date -
Aug 9, 2012
app pub date -
Jan 31, 2012
filing date -
Feb 4, 2011
priority date (Note) -
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Abstract
This invention discloses an offset printing press for printing securities, which includes an offset printing unit, inspection camera unit, and sheet quality determination unit. The offset printing unit prints a ground tint pattern on a transported paper sheet. The inspection camera unit is arranged upstream of the offset printing unit in the direction in which the paper sheet is transported, and captures an image of the paper sheet. The sheet quality determination unit determines the quality of the paper sheet based on image data output from the inspection camera unit.
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