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:
Aug. 05, 2014
Filed:
Jun. 27, 2011
Hiroshi Taira, Inagi, JP;
Kiichiro Takahashi, Yokohama, JP;
Akiko Maru, Tokyo, JP;
Tsukasa Doi, Kawasaki, JP;
Hiroshi Taira, Inagi, JP;
Kiichiro Takahashi, Yokohama, JP;
Akiko Maru, Tokyo, JP;
Tsukasa Doi, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An inkjet printing apparatus is provided that is capable of suppressing an increase in discarded ink by a restore operation of a restore unit. The apparatus is an inkjet printing apparatus that prints an image using a print head having a plurality of ejecting ports for ejecting ink and includes a restore unit that restores the ink ejection function of the print head, and a control unit that controls the restore unit so as to perform a restore operation depending on a parameter involving a growth rate of air bubbles existing inside the print head that is filled with ink.