Invention Grant
- Patent Title: Liquid-discharge-failure detecting apparatus and inkjet recording apparatus
- Patent Title (中): 排液故障检测装置和喷墨记录装置
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Application No.: US12172743Application Date: 2008-07-14
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Publication No.: US07862141B2Publication Date: 2011-01-04
- Inventor: Hirotaka Hayashi , Kazumasa Ito
- Applicant: Hirotaka Hayashi , Kazumasa Ito
- Applicant Address: JP Nagoya
- Assignee: Ricoh Elemex Corporation
- Current Assignee: Ricoh Elemex Corporation
- Current Assignee Address: JP Nagoya
- Agency: Foley & Lardner LLP
- Main IPC: B41J29/393
- IPC: B41J29/393
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.
Public/Granted literature
- US20100007686A1 LIQUID-DISCHARGE-FAILURE DETECTING APPARATUS AND INKJET RECORDING APPARATUS Public/Granted day:2010-01-14
Information query
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