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:
Aug. 23, 2022
Filed:
Nov. 09, 2020
Yuichiro Maeyama, Kanagawa, JP;
Yohei Sakon, Kanagawa, JP;
Shingo Takai, Ibaraki, JP;
Noboru Hirano, Kanagawa, JP;
Dai Kurabayashi, Kanagawa, JP;
Yuichiro Maeyama, Kanagawa, JP;
Yohei Sakon, Kanagawa, JP;
Shingo Takai, Ibaraki, JP;
Noboru Hirano, Kanagawa, JP;
Dai Kurabayashi, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A printing apparatus includes a printing device to print, on a sheet, a detection mark for acquiring an amount of deviation of an image, a detection device to read a position of the detection mark and acquire the amount of deviation of the position of the detection mark, and control circuitry to perform correction according to the amount of deviation. The circuitry prints the detection marks on both faces of the sheet in duplex printing, reads the detection marks on both faces with the detection device, calculates a first correction value from the position of the detection mark on a first face on which printing is performed first, calculates a second correction value from the position of the detection mark on a second face on which printing is performed later, and calculates a third correction value from the positions of the detection marks on the first and second faces.