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. 09, 2021
Filed:
Jul. 29, 2019
Screen Holdings Co., Ltd., Kyoto, JP;
Tomotaka Kato, Kyoto, JP;
Keiji Hatano, Kyoto, JP;
SCREEN HOLDINGS CO., LTD., Kyoto, JP;
Abstract
A printing apparatus for printing on a printing medium transported includes the following elements. A print head including a plurality of print head modules, a printing controller for controlling printing of a testing chart by selecting a reference print head module to provide a reference for recording positions, causing the reference print head module to print a reference chart, and causing one of the print head modules shifted relative to the reference print head module to print a comparison chart, a scanner for acquiring testing image data, an image processor for creating an extract reference chart, creating an extract comparison chart, and creating a composite testing chart by superimposing these charts, and a deviation amount calculator for calculating a deviation amount based on the composite testing chart.