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:
Aug. 16, 2016
Filed:
May. 19, 2014
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Yoshiaki Murayama, Tokyo, JP;
Minoru Teshigawara, Saitama, JP;
Satoshi Azuma, Kawasaki, JP;
Takuya Fukasawa, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 29/38 (2006.01); B41J 2/21 (2006.01);
U.S. Cl.
CPC ...
B41J 2/2146 (2013.01); B41J 2/2142 (2013.01);
Abstract
Multiple test pattern printing using each of multiple printing element arrays are read, and in a case where a streak is present in predetermined test patterns of the multiple test patterns at the same position in the direction of the array of the printing elements, determination is made that the streak is not due to failure of a printing element.