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. 22, 2014
Filed:
Oct. 09, 2012
Canon Kabushiki Kaisha, Tokyo, JP;
Kenichi Oonuki, Tokyo, JP;
Kiichiro Takahashi, Yokohama, JP;
Toshiyuki Chikuma, Tokyo, JP;
Hirokazu Yoshikawa, Yokohama, JP;
Hiroshi Taira, Inagi, JP;
Wakako Tanaka, Inagi, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
In an ink jet printing apparatus including a plurality of print heads and a method for controlling the ink jet printing apparatus, ink ejection can be immediately started. If temperatures of both a first print head and a second print head have become equal to or higher than a reference temperature at least once, a printing operation or a preliminary ejection operation using the first print head and the second print head is started even when one of the temperature of the first print head and the temperature of the second print head is lower than the reference temperature.