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:
Jan. 19, 2016
Filed:
Mar. 13, 2015
Seiko Epson Corporation, Tokyo, JP;
Takafumi Ogimura, Nagano, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A serial inkjet printer includes a recording head having a plurality of nozzles between which a pitch is X inches, a carriage, a first roller pair, and a second roller pair. The first roller pair is configured to move a medium at an upstream side of a conveyance direction of the medium relative to the recording head, and includes a drive roller with a hollow structure and a driven roller. A circumferential length Y of the drive roller is 2 to 4 inches. When a length along the conveyance direction of a row formed by the nozzles is Z inches, Y is greater than Z. While repeating scanning of the recording head and conveying of the medium, recording is performed in band units at a printing speed of 20 to 30 ipm, and stop error precision of the medium during conveyance is X/2 inches or less.