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:
Feb. 23, 2016
Filed:
Apr. 07, 2015
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Atsushi Shoji, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 1/29 (2006.01); H04N 1/405 (2006.01); H04N 1/409 (2006.01); G06K 15/14 (2006.01); G03G 15/043 (2006.01); G06K 15/02 (2006.01); H04N 1/00 (2006.01);
U.S. Cl.
CPC ...
G03G 15/043 (2013.01); G06K 15/14 (2013.01); G06K 15/1881 (2013.01); H04N 1/00254 (2013.01); H04N 1/295 (2013.01); H04N 1/405 (2013.01); H04N 1/409 (2013.01);
Abstract
An image forming apparatus applies a dither matrix to multi-valued image data. Then, the apparatus performs an exposure on a photoreceptor drum based on the image data obtained by using the applied dither matrix. In this process, the apparatus performs additional amount of exposure on the photoreceptor drum in a cycle equal to the cycle of the dither matrix, in addition to an amount of the exposure based on the obtained image data.