发明授权
US5172142A Ink jet recording apparatus with driving means providing a driving
signal having upper and lower limits in response to an input signal
失效
具有驱动装置的喷墨记录装置，其响应于输入信号提供具有上限和下限的驱动信号
- 专利标题： Ink jet recording apparatus with driving means providing a driving signal having upper and lower limits in response to an input signal
- 专利标题（中）： 具有驱动装置的喷墨记录装置，其响应于输入信号提供具有上限和下限的驱动信号
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申请号： US681648申请日： 1991-04-08
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公开(公告)号： US5172142A公开(公告)日： 1992-12-15
- 发明人: Yoshitaka Watanabe , Nobuaki Sakurada , Makoto Aoki , Eiichi Sato
- 申请人： Yoshitaka Watanabe , Nobuaki Sakurada , Makoto Aoki , Eiichi Sato
- 申请人地址： JPX Tokyo
- 专利权人： Canon Kabushiki Kaisha
- 当前专利权人： Canon Kabushiki Kaisha
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX60-079597 19850415; JPX60-079598 19850415; JPX60-103173 19850515; JPX60-103174 19850515
- 主分类号： B41J2/05
- IPC分类号： B41J2/05 ; B41J2/07
摘要：
The driving frequency of a head is changed in conformity with temperature, and density data is converted into an optimum head driving voltage in conformity with temperature, whereby the discharge driving frequency and driving voltage of the recording head become optimum under any temperature condition, thus recording of high quality is ensured and since irregularities caused by the temperature variation of the recording head are eliminated. The driving voltage is set by a drive control circuit that includes a plurality of limiters, one of which is chosen in accordance with ambient temperature.
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