Offset printing press for printing securities having quality inspection camera
AssigneeKomori Corporation
InventorHitoshi Funada
Life of this patent
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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.
Claims10
An offset printing press for printing securities, comprising:
- an offset printing unit which prints, by an offset printing, a ground tint pattern on a transported paper sheet which includes an anticounterfeit means before being introduced to the offset printing press;
- an inspection camera unit which is arranged upstream of said offset printing unit in a direction in which the paper sheet is transported, and captures an image of the paper sheet before the ground tint pattern is printed;
- and
- a sheet quality determination unit which determines a quality of the paper sheet on which no ground tint pattern is printed by inspecting a quality of the anticounterfeit means based on image data output from said inspection camera unit,
- a printing quality camera which is arranged downstream of said offset printing unit in the direction in which the paper sheet is transported, and captures an image of the paper sheet on which the ground tint pattern is printed by said offset printing unit;
- and
- a printing quality determination unit which determines a printing quality of the ground tint pattern on the paper sheet based on image data output from said printing quality camera.
Dependencies are inferred from the claim text.