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. 19, 2016
Filed:
May. 26, 2015
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Taku Yokozawa, Yokohama, JP;
Hiroaki Shirakawa, Kawasaki, JP;
Mitsutoshi Nagamura, Tokyo, JP;
Yuhei Oikawa, Yokohama, JP;
Yosuke Ishii, Kawasaki, JP;
Hiroaki Komatsu, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 29/38 (2006.01); B41J 2/045 (2006.01); B41J 2/14 (2006.01);
U.S. Cl.
CPC ...
B41J 29/38 (2013.01); B41J 2/0454 (2013.01); B41J 2/0458 (2013.01); B41J 2/04528 (2013.01); B41J 2/04551 (2013.01); B41J 2/04553 (2013.01); B41J 2/04563 (2013.01); B41J 2/14153 (2013.01);
Abstract
According to an aspect of the present invention, temperatures at a plurality of different positions in an array direction in an ejection opening array are detected, and heating by a heating element is executed in a case where a temperature difference between the temperatures is higher than a predetermined threshold.