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:
Mar. 09, 2010
Filed:
Sep. 19, 2008
Applicants:
Ken-ichi Iida, Tokyo, JP;
Hiroshi Kita, Mishima, JP;
Hidetoshi Hanamoto, Suntou-gun, JP;
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/47 (2006.01); G03G 15/043 (2006.01);
U.S. Cl.
CPC ...
Abstract
An image-forming apparatus sets a DAC output voltage, a VI conversion current ID, and a laser current ILusing a correction profile, and performs density nonuniformity correction that addresses various factors contributing to density nonuniformity.