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:
Sep. 16, 2014
Filed:
Jun. 22, 2012
Akira Shibasaki, Kawasaki, JP;
Akira Shibasaki, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus in which an operation of reciprocal scans of a print head including a plurality of ejection ports for ejecting at least two kinds of inks onto a print medium and an operation of conveying the print medium are repeatedly performed, and in the meanwhile ink is ejected from the print head to the print medium for printing, comprises input unit configured to input ejection data for ejecting the ink onto the print medium to form an image, calculating unit configured to calculate an area ratio of each ink on the surface of the print medium based upon the ejection data, and setting unit configured to set the ejection data in such a manner that the area ratio is generally constant in the reciprocal scans.