Invention Grant
US08702188B2 Device and method for driving liquid-drop ejection head and image forming apparatus
有权
用于驱动液滴喷射头和成像装置的装置和方法
- Patent Title: Device and method for driving liquid-drop ejection head and image forming apparatus
- Patent Title (中): 用于驱动液滴喷射头和成像装置的装置和方法
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Application No.: US12591088Application Date: 2009-11-06
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Publication No.: US08702188B2Publication Date: 2014-04-22
- Inventor: Hitoshi Kida
- Applicant: Hitoshi Kida
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Limited
- Current Assignee: Ricoh Company, Limited
- Current Assignee Address: JP Tokyo
- Agency: Harness, Dickey & Pierce
- Priority: JP2008-293784 20081117
- Main IPC: B41J29/38
- IPC: B41J29/38
Abstract:
An OFF timing of a drive waveform is set to be concentrated on a position of the drive waveform where a long time with substantially no voltage fluctuation can be ensured, and a pulse present before the position timewise is sequentially selected and applied to a pressure generating element.
Public/Granted literature
- US20100123909A1 Device and method for driving liquid-drop ejection head and image forming apparatus Public/Granted day:2010-05-20
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