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    Print head substrate, print head using the same, and printing apparatus
    9.
    发明公开
    Print head substrate, print head using the same, and printing apparatus 失效
    Druckkopf-Substrat，Druckkopf mitBenützungdesselben und Druckvorrichtung

    公开(公告)号：EP0927635A2

    公开(公告)日：1999-07-07

    申请号：EP99200744.3

    申请日：1994-09-02

    申请人： CANON KABUSHIKI KAISHA

    发明人： Imanaka, Yoshiyuki, c/o Canon Kabushiki Kaisha ,  Furukawa, Tatsuo, c/o Canon Kabushiki Kaisha ,  Hayasaki, Kimiyuki, c/o Canon Kabushiki Kaisha ,  Maru, Hiroyuki, c/o Canon Kabushiki Kaisha ,  Izumida, Masaaki, c/o Canon Kabushiki Kaisha

    IPC分类号： B41J2/05

    CPC分类号： B41J2/04541 ,  B41J2/04543 ,  B41J2/04573 ,  B41J2/0458

    摘要： The present invention is directed to resolve the noise problem with the ink in an ink jet head without changing the substrate manufacturing process for the ink jet head, that is, increasing the cost on the manufacture, and without needs of disposing a noise countermeasure component on the side of the printer main device, or making the design change for the countermeasure. The present invention is characterized in that to prevent malfunction from arising by the noise, a hysteresis circuit l0l to provide different input data threshold values upon rising and falling is provided on an input portion of the signal for a drive control logic system such as a drive input signal for a shift register 404 and a latch circuit 403 on the same substrate as that of the heating elements 40l, the driver 402 and the drive control logic circuit, utilizing a diffusion layer constituting a driver 402.

    摘要翻译： 本发明旨在解决喷墨头中的墨水的噪音问题，而不改变喷墨头的基​​板制造工艺，即增加制造成本，并且不需要将噪声对策部件设置在 打印机主设备的一侧，或为对策做出设计更改。 本发明的特征在于，为了防止噪声引起的故障，在用于诸如驱动器的驱动控制逻辑系统的信号的输入部分上设置有用于在上升和下降时提供不同输入数据阈值的滞后电路101 用于移位寄存器404的输入信号和与加热元件401，驱动器402和驱动控制逻辑电路相同的基板上的锁存电路403，利用构成驱动器402的扩散层。