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    • 66. 发明申请
    • Control unit and method for controlling motor for use in printer, and storage medium storing control program
    • 用于控制打印机使用的电机的控制单元和方法以及存储控制程序的存储介质
    • US20050146300A1
    • 2005-07-07
    • US11074761
    • 2005-03-09
    • Hitoshi IgarashiMasanori Yoshida
    • Hitoshi IgarashiMasanori Yoshida
    • B41J19/18B41J19/20H02P7/06H02P7/00
    • B41J19/202
    • There is provided a control unit capable of suppressing the fluctuation in speed a motor for use in a printer. The control unit comprises: a speed detecting part for detecting the speed of a motor for use in a printer in a predetermined period tv; an average speed calculating part for calculating an average speed using at least the current detected speed, which is detected by the speed detecting part, and a detected speed which has been detected n (≧2), which corresponds to substantially half period of the fluctuation in speed of the motor, before the timing in detecting the current detected speed; and a speed control part for controlling the speed of the motor on the basis of a speed deviation of the average speed, which is the output of the average speed calculating part, from a target speed of the motor.
    • 提供了一种能够抑制打印机中使用的电动机的速度波动的控制单元。 控制单元包括:速度检测部分,用于在预定时间段t检测用于打印机的电动机的速度; 用于使用由速度检测部检测到的至少当前检测速度来计算平均速度的平均速度计算部分和已经被检测到的检测速度n(> = 2),其对应于 在检测当前检测速度的定时之前马达的速度波动; 以及速度控制部,其根据作为平均速度计算部的输出的平均速度的速度偏差,根据电动机的目标速度来控制电动机的速度。
    • 70. 发明授权
    • Ink jet printer
    • 喷墨打印机
    • US5867188A
    • 1999-02-02
    • US621779
    • 1996-03-22
    • Susumu MurayamaTakayuki OkudaAtsushi NishizawaSatoshi FujiokaMasanori Yoshida
    • Susumu MurayamaTakayuki OkudaAtsushi NishizawaSatoshi FujiokaMasanori Yoshida
    • B41J2/045B41J2/055B41J19/06B41J19/20B41J25/304B41J25/34B41J2/01
    • B41J25/34
    • The ink jet printer is provided which eliminates play between a carriage supporting an ink jet head and a guide shaft, allows the ink jet head to be releasably attached to the carriage, and provides reliable electrical connection between the ink jet head and the carriage with a reduced number of parts. An embodiment of the ink jet printer of the invention includes a guide shaft extending in a direction orthogonal to a direction in which paper is forwarded. A carriage is slidably mounted on the shaft, moving in reciprocal directions while being guided by the guide shaft. An ink jet head, releasably attached to the carriage, prints ink dots on the paper for forming a printed image by jetting ink out of nozzles. A first electrically connecting portion is arranged on the carriage. A second electrically connecting portion is arranged on the ink jet head so as to come in pressure contact with the first electrically connecting portion. A biasing member provides a pressing force between the first electrically connecting portion and the second electrically connecting portion.
    • 提供了一种喷墨打印机,其消除了支撑喷墨头的托架和引导轴之间的间隙,允许喷墨头可释放地附接到托架,并且在喷墨头和托架之间提供可靠的电连接 减少零件数量。 本发明的喷墨打印机的一个实施例包括沿与纸张转向方向正交的方向延伸的引导轴。 托架可滑动地安装在轴上,在由导向轴引导的同时在往复方向上移动。 一个可释放地连接到滑架上的喷墨头在纸上打印墨点,用于通过从喷嘴喷出墨来形成打印图像。 第一电连接部分布置在托架上。 第二电连接部分布置在喷墨头上以与第一电连接部分压力接触。 偏置构件在第一电连接部分和第二电连接部分之间提供按压力。