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:
Dec. 17, 2019
Filed:
Sep. 19, 2017
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Satoshi Kitai, Kawasaki, JP;
Kouichi Serizawa, Yokohama, JP;
Masahiko Umezawa, Kawasaki, JP;
Atsushi Takahashi, Kawasaki, JP;
Shinsuke Ikegami, Tokyo, JP;
Takeshi Murase, Yokohama, JP;
Masashi Hayashi, Yokohama, JP;
Yuki Sawai, Yokohama, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/045 (2006.01); B41J 2/21 (2006.01);
U.S. Cl.
CPC ...
B41J 2/0451 (2013.01); B41J 2/04543 (2013.01); B41J 2/04546 (2013.01); B41J 2/04586 (2013.01); B41J 2/2132 (2013.01); B41J 2/2139 (2013.01);
Abstract
Priority order is updated so that an ejection port that is selected as an ejection port subjected to ejection failure determination in a pixel row in which a previous ejection operation is to be performed has the lowest priority order, which is used for selecting an ejection port subjected to ejection failure determination, in a pixel row in which a subsequent ejection operation is to be performed.