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:
Jan. 12, 2021
Filed:
Aug. 20, 2019
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Yukihiro Shindo, Abiko, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/04 (2006.01); G03G 15/043 (2006.01); G03G 15/01 (2006.01);
U.S. Cl.
CPC ...
G03G 15/04027 (2013.01); G03G 15/0115 (2013.01); G03G 15/043 (2013.01); G03G 15/04018 (2013.01); G03G 15/04054 (2013.01);
Abstract
An image forming apparatus includes a printer unit that prints an image on a sheet using a line head in which a plurality of light emitting devices are arranged, and a storage unit that stores information regarding light amounts corresponding to the light emitting devices of the line head. The image forming apparatus generates a mask pattern based on the information regarding the light amounts obtained from the storage unit and a target light amount, and executes mask processing on halftone image data that is in positional correspondence with the light emitting devices using the generated mask pattern.