Printhead and image printing apparatus

    公开(公告)号:US20050157088A1

    公开(公告)日:2005-07-21

    申请号:US11079226

    申请日:2005-03-15

    申请人: Nobuyuki Hirayama

    发明人: Nobuyuki Hirayama

    IPC分类号: B41J2/01 B41J2/05 B41J2/14

    摘要: This invention provides a printhead capable of decreasing the ON resistance value without increasing the heater board size in order to downsize the heater board, an image printing apparatus using the printhead, and a control method therefor. In the printhead, heater resistors are series-connected to normal MOS transistors in each group on a heat board. The pitch of the heater resistors and the pitch of the normal MOS transistors are designed equal to each other in order to shorten the connection line. One high-breakdown-voltage MOS transistor is arranged in each group, and the pitch is designed to a length corresponding to the product of the pitch of the heater resistors and the number x of heater resistors. The high-breakdown-voltage MOS transistor has a higher ON resistance value per unit area than that of the normal MOS transistor. However, the area of the high-breakdown-voltage MOS transistor is larger by x times than that of the normal MOS transistor. This can suppress the ON resistance of the high-breakdown-voltage MOS transistor satisfactorily low.

    Printhead and image printing apparatus
    92.
    发明授权
    Printhead and image printing apparatus 失效
    打印头和图像打印设备

    公开(公告)号:US06890048B2

    公开(公告)日:2005-05-10

    申请号:US10622544

    申请日:2003-07-21

    申请人: Nobuyuki Hirayama

    发明人: Nobuyuki Hirayama

    摘要: This invention provides a printhead capable of decreasing the ON resistance value without increasing the heater board size in order to downsize the heater board, an image printing apparatus using the printhead, and a control method therefor. In the printhead, heater resistors are series-connected to normal MOS transistors in each group on a heat board. The pitch of the heater resistors and the pitch of the normal MOS transistors are designed equal to each other in order to shorten the connection line. One high-breakdown-voltage MOS transistor is arranged in each group, and the pitch is designed to a length corresponding to the product of the pitch of the heater resistors and the number x of heater resistors. The high-breakdown-voltage MOS transistor has a higher ON resistance value per unit area than that of the normal MOS transistor. However, the area of the high-breakdown-voltage MOS transistor is larger by x times than that of the normal MOS transistor. This can suppress the ON resistance of the high-breakdown-voltage MOS transistor satisfactorily low.

    摘要翻译: 本发明提供一种打印头,其能够在不增加加热板尺寸的同时降低导通电阻值,以减小加热板的尺寸,使用打印头的图像打印装置及其控制方法。 在打印头中,加热电阻与散热板上每组的正常MOS晶体管串联连接。 为了缩短连接线,加热电阻的间距和正常MOS晶体管的间距被设计为相互相等。 在每组中布置有一个高耐压MOS晶体管,并且将间距设计成与加热电阻的间距和加热电阻的数量x的乘积相对应的长度。 高耐压MOS晶体管每单位面积的导通电阻值高于正常MOS晶体管。 然而,高击穿电压MOS晶体管的面积比正常MOS晶体管的面积大x倍。 这可以抑制高击穿电压MOS晶体管的导通电阻令人满意地降低。

    Printhead substrate inputting a data signal and a clock signal, printhead, printhead cartridge, and printer thereof
    93.
    发明授权
    Printhead substrate inputting a data signal and a clock signal, printhead, printhead cartridge, and printer thereof 有权
    打印头基板输入数据信号和时钟信号,打印头,打印头墨盒及其打印机

    公开(公告)号:US06742874B2

    公开(公告)日:2004-06-01

    申请号:US10163596

    申请日:2002-06-07

    IPC分类号: B41J205

    摘要: Printhead substrate for inputting a data signal (DATA) in synchronization with a clock signal (CLK). The printhead substrate comprises: input terminals inputting the clock signal and data signal; shift registers inputting and maintaining the data signal in synchronization with the clock signal inputted from the input terminals; and a time lag adjuster arranged between an input terminal and the shift register to adjust a time lag of at least one of the clock signal or data signal. By virtue of adjusting the time lag by the time lag adjuster, setup time and hold time between the clock signal and the data signal inputted to the shift register is ensured.

    摘要翻译: 用于与时钟信号(CLK)同步地输入数据信号(DATA)的打印头基板。 打印头基板包括:输入端子,输入时钟信号和数据信号; 移位寄存器与从输入端子输入的时钟信号同步地输入和保持数据信号; 以及布置在输入端子和移位寄存器之间以调整至少一个时钟信号或数据信号的时滞的时滞调整器。 由于通过时滞调整器调整时滞,确保了时钟信号与输入到移位寄存器的数据信号之间的建立时间和保持时间。