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. 04, 2006
Filed:
Jul. 15, 2003
Yoshito Mizoguchi, Kanagawa, JP;
Isao Ebisawa, Tokyo, JP;
Shinichi Sato, Kanagawa, JP;
Yoshihide Aikawa, Kanagawa, JP;
Yoshito Mizoguchi, Kanagawa, JP;
Isao Ebisawa, Tokyo, JP;
Shinichi Sato, Kanagawa, JP;
Yoshihide Aikawa, Kanagawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An ink-jet printing apparatus according to the present invention has a main tank storing ink, a sub-tank releasably connectable with the main tank through an ink supply passage and a printing head for ejecting ink supplied from the sub-tank, for performing printing by ejecting ink from the printing head to a printing medium. The apparatus includes an ink supply controller for supplying ink from the main tank to the sub-tank through the ink supply passage during a period after completion of printing at a preceding time and before starting printing at a next time, and an ink draining controller for performing ink draining of at least a part of ink remaining in the sub-tank during the period after completion of printing at the preceding time and before starting printing at the next time and in advance of ink supply by the ink supply controller.