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. 08, 2022
Filed:
Mar. 04, 2021
Screen Holdings Co., Ltd., Kyoto, JP;
Kazuki Fukui, Kyoto, JP;
SCREEN HOLDINGS CO., LTD., Kyoto, JP;
Abstract
The conversion of the dot percentages using the first conversion table Tdand the second conversion table Tdis performed for the gradation data Dh by the defective nozzle corrector. Here, the first conversion table Tdconverts the dot percentages of the pixels Px corresponding to the normal nozzles Nn having no discharge defect by the first rate Rdlower than 100%, and the second conversion table Tdconverts the dot percentages of the pixels Px corresponding to the surrounding nozzles Na located around the defective nozzle Nd by the second rate Rdhigher than the first rate Rd. Then, the shading correction is performed for the defect complemented gradation data Dc obtained by converting the dot percentages in this way by the shading corrector