Ink feeding rate control method and data correcting method...

Details Ink feeding rate control method and data correcting method... Ink feeding rate control method and data correcting method...

2007-05-15

2007-05-15

Meier, Stephen (Department: 2853)

Incremental printing of symbolic information

Ink jet

Controller

C347S019000

Reexamination Certificate

active

10774538

ABSTRACT:
An ink feeding rate control method for a printing machine includes a step of determining, from image data used in recording images, an average of image area ratios of images in areas on prints corresponding to ink keys, a step of determining, from the image data, an average of image area ratios of images in positions aligned in a printing direction with the detecting patches (i.e. rectangular areas having substantially the same width as the detecting patches and extending in the printing direction) printed in the areas on the prints corresponding to the ink keys, and a step of correcting the reference information based on the average of image area ratios of the images in the areas on the prints corresponding to the ink keys, and the average of image area ratios of the images in the positions aligned in the printing direction with the detecting patches printed on the prints.

REFERENCES:
patent: 6494557 (2002-12-01), Kato et al.
patent: 6601512 (2003-08-01), Yamamoto et al.
patent: 6684780 (2004-02-01), Shiraishi
patent: 6900789 (2005-05-01), Matsuura et al.
patent: 2003/0011798 (2003-01-01), Yamamoto et al.
patent: 2003/0107609 (2003-06-01), Shiraishi
patent: 2002-355950 (2002-12-01), None

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