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:
Jun. 30, 2009
Filed:
Feb. 27, 2006
Satoshi Nakata, Nagano-ken, JP;
Hitoshi Igarashi, Nagano-ken, JP;
Yoshiyuki Kimoto, Nagano-ken, JP;
Koji Niioka, Nagano-ken, JP;
Satoshi Nakata, Nagano-ken, JP;
Hitoshi Igarashi, Nagano-ken, JP;
Yoshiyuki Kimoto, Nagano-ken, JP;
Koji Niioka, Nagano-ken, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
There is provided a liquid ejecting apparatus for ejecting liquid to a printing material, having a platen for supporting the printing material, an ejection head for ejecting the liquid to the printing material by reciprocating on the printing material supported by the platen, an optical sensor reciprocating together with the ejection head and having a light emitting section for emitting light toward the printing material and the platen and a light receiving section for receiving light reflected from the printing material to optically detect whether or not the printing material exists, a usage measuring section for measuring usage of the liquid ejecting apparatus and a correcting section for correcting a result detected by the optical sensor based on the usage measured by the usage measuring section.