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. 21, 2015
Filed:
Sep. 29, 2011
Akihiko Noguchi, Matsumoto, JP;
Akihiko Noguchi, Matsumoto, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A printer with a tractor unit driven by a DC motor and a printing control method that acquires accurate load information when continuous paper is loaded. The printer has a printheadthat can move in a primary scanning direction and has discharge nozzles that discharge liquid onto continuous paper, and a tractor unitthat is driven by a DC motor Mt and conveys continuous paper toward the printheadin a secondary scanning direction perpendicular to the primary scanning direction. The printerand printing method also have a load information acquisition unitthat, when continuous paper is loaded in the tractor unit, drives the tractor unitsat least two different constant conveyance speeds V, V, and acquires load information I, Ifor the DC motor Mt at the at least two different conveyance speeds.