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:
Jun. 12, 2012
Filed:
Feb. 04, 2011
Applicants:
Nobuhiko Zaima, Abiko, JP;
Tomohisa Itagaki, Abiko, JP;
Yasuhito Shirafuji, Kashiwa, JP;
Takahiro Ishihara, Toride, JP;
Inventors:
Nobuhiko Zaima, Abiko, JP;
Tomohisa Itagaki, Abiko, JP;
Yasuhito Shirafuji, Kashiwa, JP;
Takahiro Ishihara, Toride, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/47 (2006.01); B41J 27/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Restricting a screen line number to prevent degradation in graininess depending on the type of recording paper causes a problem in which the image quality of output matter deteriorates. An image forming apparatus according to the present invention changes an exposure area for one pixel used in image formation in accordance with recording paper in consideration of differences in the influence of the height of toner on graininess depending on recording paper.