Invention Grant
- Patent Title: Liquid ejecting apparatus and controlling method of the same
- Patent Title (中): 液体喷射装置及其控制方法
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Application No.: US12649220Application Date: 2009-12-29
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Publication No.: US08376492B2Publication Date: 2013-02-19
- Inventor: Kinya Ozawa
- Applicant: Kinya Ozawa
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: Kilpatrick Townsend & Stockton LLP
- Priority: JP2009-002641 20090108
- Main IPC: B41J29/38
- IPC: B41J29/38

Abstract:
A liquid ejecting apparatus includes: a liquid ejecting head which includes a pressure generating chamber communicating with a nozzle opening and a pressure generating element causing variation in a pressure of a liquid in the pressure generating chamber and which ejects the liquid from the nozzle opening by an operation of the pressure generating element; and a driving signal generating unit which generates a series of driving signals containing a driving pulse used to drive the pressure generating element. The driving pulse generated by the driving signal generating unit contains a plurality of expansion components expanding the pressure generating chamber and drawing a meniscus and an ejection component varying a voltage so as to contract the expanded pressure generating chamber and ejecting a liquid droplet. The expansion component includes a first expansion component and a second expansion component drawing the meniscus at a voltage variation ratio different from that of the first expansion component.
Public/Granted literature
- US20100171778A1 LIQUID EJECTING APPARATUS AND CONTROLLING METHOD OF THE SAME Public/Granted day:2010-07-08
Information query
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