Invention Grant
- Patent Title: Drive circuit for inkjet recording head, and inkjet recording device
- Patent Title (中): 喷墨记录头驱动电路,喷墨记录装置
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Application No.: US13540709Application Date: 2012-07-03
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Publication No.: US08727498B2Publication Date: 2014-05-20
- Inventor: Kaoru Satoh
- Applicant: Kaoru Satoh
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Ltd.
- Current Assignee: Ricoh Company, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Harness, Dickey & Pierce, P.L.C.
- Priority: JP2011-164581 20110727; JP2012-095730 20120419
- Main IPC: B41J2/30
- IPC: B41J2/30

Abstract:
A drive circuit for an inkjet recording head includes a plurality of electrically capacitive actuator elements, a drive signal source, a plurality of switching elements, and a plurality of resistances. The actuator elements are provided for a plurality of nozzles, and drive the nozzles to eject ink therefrom. The drive signal source outputs a drive signal for driving the actuator elements. The switching elements are connected to the respective actuator elements to separately drive the actuator elements, and selectively apply the output drive signal to the actuator elements. The resistances are provided for the respective actuator elements, and are connected to low potential sides of the actuator elements. Each of the resistances has a resistance value adjusted in accordance with the length of a wire between the corresponding one of the actuator elements and the drive signal source.
Public/Granted literature
- US20130027474A1 DRIVE CIRCUIT FOR INKJET RECORDING HEAD, AND INKJET RECORDING DEVICE Public/Granted day:2013-01-31
Information query
IPC分类: