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:
Jul. 14, 2015
Filed:
Sep. 27, 2012
Dainippon Screen Mfg. Co., Ltd., Kyoto-shi, Kyoto, JP;
Seiya Nomura, Kyoto, JP;
Kazuki Fukui, Kyoto, JP;
Hiroyuki Fuchioka, Kyoto, JP;
Kunio Muraji, Kyoto, JP;
SCREEN HOLDINGS CO., LTD., Kyoto, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
An inkjet printing apparatus includes a plurality of nozzles for discharging ink, a CIS (Contact Image Sensor) type scanner for reading, as image data, charts for correction printed in the ink discharged from the nozzles, light emitters for emitting light to the charts for correction, a scanner controller for causing the scanner to scan the charts for correction with a plurality of read conditions, a correction table creator for creating nozzle shading correction tables based on the image data read, and a shading corrector for carrying out shading correction for the nozzles based on the correction tables.