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:
Apr. 14, 2009
Filed:
Sep. 02, 2004
Takayuki Ishii, Nagano, JP;
Shin Genta, Nagano, JP;
Kazumi Kamoi, Nagano, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A liquid ejection head is operable to eject a liquid droplet toward a medium at a liquid ejection point A first roller transports the medium toward the liquid ejection point. A second roller ejects the medium transported from the liquid ejection point to the outside of the apparatus. At least one detection roller is directly brought into contact with the medium and is rotated in accordance with the transportation of the medium, the at least one detection roller being disposed in the vicinity of at least one of the first roller and the second roller. A detector detects a rotation amount of the detection roller. A controller controls the transportation of the medium in accordance with the rotation amount.