Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kazumasa Ito0
Hirotaka Hayashi0
Date of Patent
January 4, 2011
0Patent Application Number
121727430
Date Filed
July 14, 2008
0Patent Primary Examiner
Patent abstract
A light-emitting element emits a beam onto a droplet discharged from a nozzle from a direction opposite to a direction of discharge of the droplet. A light-receiving element receives a scattered light generated by scattering of the beam by the droplet. Finally, a failure detecting unit detects a liquid discharge failure from data of the scattered light received by the light-receiving element.
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