Patent ID: 6715417
Filing Date: 2004-04-06
Classification: B41F,B41P,H04N

Abstract:
A printing press for printing a color chart including a plurality of color chart fields in a margin of printing paper, said printing press equipped with a color chart measuring apparatus for reading each of said color chart fields on said printing paper to measure color chart information,said printing press comprising: a transport section for transporting said printing paper; an imaging section for capturing an image on said printing paper transported by said transport section; a reading time setting section for determining, in accordance with a transport operation of said printing paper, a reading time during which said imaging section reads an image of said color chart; an image data storage section for storing image data on an area read by said imaging section during said reading time, as readout image data; a color chart actual position calculation section for calculating an actual position in which each of said color chart fields was actually printed, on the basis of said readout image data; and a color chart information determination section for determining color chart information about each of said color chart fields from said readout image data corresponding to said actual position.