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. 24, 2021
Filed:
Mar. 23, 2020
Canon Kabushiki Kaisha, Tokyo, JP;
Takeshi Shinji, Yokohama, JP;
Satoshi Nishida, Fujisawa, JP;
Isamu Takeda, Machida, JP;
Takanori Mitani, Fujisawa, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
An image forming apparatus, including: a dividing the image data into regions including pixels; an obtaining a first ratio by dividing a total number of the pixels included in groups, the pixels having a density equal to or higher than a predetermined value and arranged consecutively in a predetermined direction, by a total number of the pixels having the density and included in each of the regions; an obtaining a second ratio by dividing the total number of pixels having the density and included in each of the regions by a total number of the pixels included in each of the regions; a determining a target temperature for maintaining a temperature of a fixing portion based on the first and second ratios; and a controlling power to be supplied to the fixing portion so that the fixing portion is maintained at the target temperature.