发明授权
- 专利标题： Printhead, printing apparatus, and printhead driving method
- 专利标题（中）： 打印头，打印装置和打印头驱动方法
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申请号： US12326823申请日： 2008-12-02
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公开(公告)号： US08186788B2公开(公告)日： 2012-05-29
- 发明人: Jiro Moriyama , Atsushi Sakamoto , Hirokazu Tanaka
- 申请人： Jiro Moriyama , Atsushi Sakamoto , Hirokazu Tanaka
- 申请人地址： JP 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： JP Tokyo
- 代理机构： Canon USA Inc IP Division
- 优先权： JP2007-312657 20071203
- 主分类号： B41J29/38
- IPC分类号： B41J29/38
摘要：
A printhead includes a driving unit configured to drive a plurality of heaters, a register configured to input data of a plurality of bits corresponding to the number of heaters, a latch configured holding the data transferred from the register; a generation unit configured to generate a control signal of the driving unit for each heater based on a value of the data and a change in a level of an enable signal including a plurality of pulse signals; and an output unit outputting the control signal generated by the generation unit to the driving unit in synchronism with the pulse signals.