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:
Nov. 27, 2012
Filed:
Apr. 27, 2012
Koichi Morishita, Tokyo, JP;
Hisashi Ishikawa, Urayasu, JP;
Koichi Morishita, Tokyo, JP;
Hisashi Ishikawa, Urayasu, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus which forms a halftone image on a print medium () using multipass processing of scanning a single area on the print medium () by a printhead () N times and forming dots every scan operation includes a pass division table () used to set the print density ratio of each scan operation, a print data generation unit () which generates print data of each scan operation, a printer engine () which prints a halftone image on the print medium () on the basis of the generated print data, and a sensor () which detects the state of printing on the print medium () by the printer engine (). The print data generation unit () corrects print data in synchronism with printing by the printer engine () on the basis of the set print density ratio and the detected printing state.