The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7131376 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 07, 2006

Filed:

Sep. 21, 2004
Applicants:

Takaharu Yamamoto, Kyoto, JP;

Kazuya Takeda, Kyoto, JP;

Kazuki Fukui, Kyoto, JP;

Inventors:

Takaharu Yamamoto, Kyoto, JP;

Kazuya Takeda, Kyoto, JP;

Kazuki Fukui, Kyoto, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41F 31/00 (2006.01); B41F 1/34 (2006.01);
U.S. Cl.
CPC ...
Abstract

An ink feeding method includes a density reading step for reading density data obtained by measuring densities of detecting patches on a first image, before an end of a printing operation, a first computing step for computing, from the density data, an ink feed film thickness remaining after prints having the first image are made, a second computing step for computing an ink feed film thickness required for making prints having a second image, from a target density for the prints having the second image, a third computing step for computing a preset ink feeding rate from the ink feed film thickness remaining after the prints having the first image are made, computed in the first computing step, and the ink feed film thickness required for making the prints having the second image, computed in the second computing step, and an ink feeding step for feeding the preset ink based on the preset ink feeding rate computed in the third computing step.


Find Patent Forward Citations

Yamamoto, Takaharu. (2006). Ink feeding method and ink feeding apparatus (U.S. Patent No. 7131376). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7131376

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