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:
Aug. 31, 2004
Filed:
Aug. 28, 2001
Yuichiro Toyohara, Fujisawa, JP;
Ken-ichiro Kitajima, Toride, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus includes a plurality of image forming devices for forming respective monochromatic images in accordance with input image signals. The apparatus is operable in a first mode for forming a multi-color image by the plurality of image forming devices at a first image formation speed and in a second mode for forming a multi-color image by the plurality of image forming devices at a second image formation speed. The apparatus also includes an execution device for executing, for respective image formation speeds, calibrating operations for correcting image density levels of output images formed by the image forming devices in response to image density levels of the input image signals.