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. 05, 2013
Filed:
Apr. 20, 2010
Shunichi Kaizu, Kawasaki, JP;
Hisashi Ishikawa, Urayasu, JP;
Shunichi Kaizu, Kawasaki, JP;
Hisashi Ishikawa, Urayasu, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus includes a print head provided with a plurality of discharge ports, a scanning unit configured to cause the print head to scan the same printing region on a recording medium a number of times, a generation unit configured to generate image forming data for each of scans, based on image information that has been input, and an image forming unit configured to perform image forming by discharging inks from the discharge ports on the recording medium according to the image forming data generated by the generation unit. The generation unit includes a division unit configured to divide the image information, while controlling division coefficients, using each of the discharge ports as the reference based on the division coefficients, and a quantization unit configured to quantize each of image information divided by the division unit.