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. 11, 2011
Filed:
Oct. 14, 2008
Toshihiro Hayashi, Matsumoto, JP;
Toshihiro Hayashi, Matsumoto, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A droplet-ejection detecting device for detecting ejection of droplets from a plurality of nozzle orifices, includes: a beam scanning mechanism which scans a plurality of droplet ejection lines along which droplets ejected from the nozzle orifices fly, by emitting a beam to intersect the droplet ejection lines, thereby subjecting the droplets to irradiation with the beam; a light receiving unit which receives light obtained as a result of the irradiation; and an ejection determining mechanism which determines safe ejections of the droplets from the nozzle orifices based on a received-light signal output from the light receiving unit.