发明名称 |
Head drive device and drive control method of ink jet printer, and ink jet printer |
摘要 |
A head drive apparatus of an ink jet printer having: a plurality of nozzles for jetting liquid drops that are provided for an ink jet head; a plurality of actuators provided in correspondence to the nozzles; and a drive unit that applies a drive signal to the actuators, wherein the drive unit comprising: a drive waveform generator that generates a drive waveform signal being standard of a signal to control drive of the actuators; a modulator that modulates a pulse of a drive waveform signal generated by the drive waveform generator; a digital power amplifier for amplifying power of a modulated signal subjected to the pulse modulation by the modulator; and a low pass filter for smoothing an amplified digital signal subjected to the power amplification by the digital power amplifier and supplying the signal as a drive signal to the actuators. |
申请公布号 |
US8287069(B2) |
申请公布日期 |
2012.10.16 |
申请号 |
US20060158591 |
申请日期 |
2006.12.22 |
申请人 |
TABATA KUNIO;OSHIMA ATSUSHI;SHINKAWA OSAMU;SUZUKI TOSHIYUKI;HATANO TOMOKI;SEIKO EPSON CORPORATION |
发明人 |
TABATA KUNIO;OSHIMA ATSUSHI;SHINKAWA OSAMU;SUZUKI TOSHIYUKI;HATANO TOMOKI |
分类号 |
B41J29/38 |
主分类号 |
B41J29/38 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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