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:
May. 16, 2023
Filed:
Mar. 03, 2021
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Shoei Moribe, Kanagawa, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 1/60 (2006.01); H04N 1/04 (2006.01); H04N 1/401 (2006.01); B41J 2/21 (2006.01);
U.S. Cl.
CPC ...
H04N 1/605 (2013.01); H04N 1/0408 (2013.01); H04N 1/4015 (2013.01); H04N 1/6027 (2013.01); B41J 2/2132 (2013.01); B41J 2/2146 (2013.01);
Abstract
An apparatus corrects a measurement value obtained by measuring a first image formed using a recording element that ejects ink, to identify a density characteristic of the recording element. The apparatus includes a first acquisition unit configured to acquire a second image obtained by measuring the first image, an identification unit configured to identify a boundary between regions in the second image, each of the regions corresponding to one of a plurality of head modules including the recording element, and a first correction unit configured to correct a measurement value of the second image based on the identified boundary.