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.:
Date of Patent:
Apr. 23, 2019
Filed:
Jun. 15, 2017
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Takatoshi Nakano, Yokohama, JP;
Minoru Teshigawara, Saitama, JP;
Atsushi Takahashi, Tama, JP;
Takuya Fukasawa, Kawasaki, JP;
Rinako Kameshima, Tachikawa, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/195 (2006.01); B41J 2/045 (2006.01); B41J 2/175 (2006.01); B41J 2/18 (2006.01);
U.S. Cl.
CPC ...
B41J 2/0456 (2013.01); B41J 2/04586 (2013.01); B41J 2/175 (2013.01); B41J 2/17566 (2013.01); B41J 2/18 (2013.01); B41J 2/195 (2013.01);
Abstract
An inkjet printing apparatus and its control method which can suppress defective ejection and wasteful ink consumption are provided. For that purpose, pigment density Nof the ink in a circulation path is calculated, and the ink in the circulation path is discharged on the basis of the pigment density N.