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. 08, 2014
Filed:
Dec. 09, 2011
Hiroyuki Hagiwara, Nagano, JP;
Yasushi Yajima, Minowa-machi, JP;
Norihito Harada, Azumino, JP;
Daisuke Hiruma, Nagano, JP;
Ryo Hamano, Nagano, JP;
Hiroyuki Ishii, Nagano, JP;
Hiroyuki Hagiwara, Nagano, JP;
Yasushi Yajima, Minowa-machi, JP;
Norihito Harada, Azumino, JP;
Daisuke Hiruma, Nagano, JP;
Ryo Hamano, Nagano, JP;
Hiroyuki Ishii, Nagano, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A liquid ejecting apparatus includes a liquid ejecting head unit including a plurality of liquid ejecting heads in a parallel arrangement. Each liquid ejecting head ejects a liquid from nozzles formed in a nozzle face toward an ejection target object in accordance with a drive signal from a controller. Each liquid ejecting head has an individual two-dimensional code that includes at least a portion of information related to the liquid ejecting head. The liquid ejecting head unit includes a collective two-dimensional code that includes arrangement information of the liquid ejecting heads in the liquid ejecting head unit and collective information related to the information included in the individual two-dimensional codes.