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. 23, 2013
Filed:
Mar. 01, 2010
Yuichi Sakurada, Yokohama, JP;
Nobuyuki Satoh, Yokohama, JP;
Masato Kobayashi, Yokohama, JP;
Tomonori Kimura, Kawasaki, JP;
Arata Suzuki, Zushi, JP;
Yasuo Sakurai, Yokohama, JP;
Yuichi Sakurada, Yokohama, JP;
Nobuyuki Satoh, Yokohama, JP;
Masato Kobayashi, Yokohama, JP;
Tomonori Kimura, Kawasaki, JP;
Arata Suzuki, Zushi, JP;
Yasuo Sakurai, Yokohama, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A recording device including a paper feeder tray that accommodated a recording medium, a print head that discharges ink on the recording medium to record an image thereon, a transfer roller that transfers the recording medium and a printed test chart on which multiple marks are arranged, a control device that controls the transfer roller, a first detection device that detects a rotation position of the transfer roller, a second detection device that detects the multiple marks arranged on the printed test chart, and a transfer device that transfers the recording medium from the paper feeder tray to the second detection device, wherein the control device obtains an difference between an actual transfer amount of each of the multiple marks obtained by detecting the multiple marks by the second detection device and a predetermined theoretical transfer amount of each of the multiple marks relating to a rotation position of the transfer roller, calculates a correction amount for the rotation amount of the transfer roller based on a relationship between the rotation position of the transfer roller and the difference, and controls the rotation amount of the transfer roller using the correction amount.