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:
Jul. 02, 2013
Filed:
Jun. 15, 2011
Atsushi Takahashi, Kawasaki, JP;
Yuji Hamasaki, Kawasaki, JP;
Naomi Yamamoto, Abiko, JP;
Kei Yoshizawa, Tokyo, JP;
Yoshinori Nakagawa, Kawasaki, JP;
Nobuhiro Kitabatake, Kawasaki, JP;
Atsushi Takahashi, Kawasaki, JP;
Yuji Hamasaki, Kawasaki, JP;
Naomi Yamamoto, Abiko, JP;
Kei Yoshizawa, Tokyo, JP;
Yoshinori Nakagawa, Kawasaki, JP;
Nobuhiro Kitabatake, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A printing apparatus, including a print head having a discharge port, a stirring portion configured to stir ink in an ink tank, a valve disposed on a supply path, a cap for capping the discharge port, and a pressure reducing unit configured to reduce pressure in the cap, executes, in parallel, a stirring operation for stirring ink in the ink tank by the stirring portion and a pressure reducing operation for reducing pressure on the print head side from the valve in the supply path by the pressure reducing unit with the valve closed.