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.

Date of Patent:
Jan. 27, 2015

Filed:

Oct. 17, 2012
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Yoichi Takikawa, Kawasaki, JP;

Hideki Kubo, Kawasaki, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01); H04N 1/401 (2006.01); H04N 1/407 (2006.01);
U.S. Cl.
CPC ...
H04N 1/401 (2013.01); G03G 15/5058 (2013.01); G03G 15/55 (2013.01); H04N 1/4078 (2013.01);
Abstract

An image forming apparatus for forming an image based on an electrophotographic process applied to image data that represents the image includes a device configured to perform a periodic movement for image formation, a storage unit configured to store a table for correcting density variation caused by the device, the table initially generated when a physical property of the device is in a reference state, a prediction unit configured to predict an amplitude of the variation caused when the physical property is in a state different from the reference state, and an adjustment unit configured to adjust the table based on the amplitude predicted by the prediction unit.


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