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    • 2. 发明授权
    • Motor control device and motor control method
    • 电机控制装置及电机控制方式
    • US06600286B2
    • 2003-07-29
    • US09796429
    • 2001-03-02
    • Hirotomo TanakaHidetoshi KodamaMasafumi FuruyamaToshiyuki Takahara
    • Hirotomo TanakaHidetoshi KodamaMasafumi FuruyamaToshiyuki Takahara
    • G05B1101
    • B41J19/202B41J11/0065B41J11/0095B41J11/42B41J13/0009
    • A motor control apparatus and a motor control method according to a first aspect of the invention are configured to instruct deenergization of a motor a predetermined period of time later than arrival of a subject to be driven by the motor at a speed measuring position. The predetermined period of time corresponds to a current speed of the motor upon arrival of the subject to be driven at the speed measuring position, and the speed measuring position is at a predetermined distance before a target stop position of the subject to be driven. The motor control apparatus according to a second aspect of the invention includes a position detector for detecting the position of paper driven by a paper feeding motor on the basis of output pulses of an encoder that rotates in response to rotation of the paper feeding motor, and a drive controller for controllably driving the paper feeding motor by additionally applying a current value to the paper feeding motor on the basis of a target value of the paper feeding amount and an output of the position detector. Further, a current value signal is generated that causes the paper to stop or rotate in the reverse direction from a normal paper feeding direction in response to output pulses of the encoder after the paper feeding amount reaches the target value. The drive controller also controllably drives the paper feeding motor in response to the current value signal.
    • 根据本发明的第一方面的电动机控制装置和电动机控制方法被配置为在电动机的速度测量位置到达要被驱动的被摄体到达之后的预定时间段内指示电动机的断电。 预定时间段对应于在速度测量位置被驱动的被摄体到达时的电动机的当前速度,并且速度测量位置在被驱动对象的目标停止位置之前处于预定距离。 根据本发明的第二方面的电动机控制装置包括位置检测器,用于基于响应于供纸电动机的旋转而旋转的编码器的输出脉冲来检测由供纸电动机驱动的纸张的位置,以及 驱动控制器,用于通过基于给纸量的目标值和位置检测器的输出额外地向供纸马达施加电流值来可控地驱动给纸马达。 此外,产生电流值信号,该电流值信号响应于在给纸量达到目标值之后的编码器的输出脉冲,使纸张从正常的纸张馈送方向以相反方向停止或旋转。 驱动控制器还可控地驱动供纸马达响应于当前值信号。
    • 10. 发明授权
    • Paper feeding device for a printer
    • 打印机送纸装置
    • US4793606A
    • 1988-12-27
    • US162888
    • 1988-03-02
    • Tadashi YasuokaHidetoshi Kodama
    • Tadashi YasuokaHidetoshi Kodama
    • B41J11/58B41J13/00B65H1/04B65H1/26
    • B65H1/266B65H1/04
    • A paper feeding device for a printer, which is constituted by a paper feeding tray and a tray receiver. The paper feeding tray has a rotatable hopper plate supported at the bottom thereof, a hopper shaft disposed at the lower surface of the front end of the hopper plate, two moving levers respectively connected to two ends of the hopper shaft, and movably supported by two sides of the paper feeding tray, guide grooves formed in the two sides in the tray fitting direction, two movable members supported by the two guide grooves, and have outwardly extending securing portions, and a spring disposed between the movable levers and the movable members, and for pushing up the hopper plate through the hopper shaft with respect to the movable lever.A tray receiver contains two side plates disposed at a certain interval which allows the paper feeding tray to be inserted, securing grooves on the inner surfaces of the rear portion of the two side plates, and which engage with the securing portions during the mounting of the paper feeding tray, and which prevent the movement of the movable members and expands the spring to increase spring force, and a lock cam movably supported on the inner surface of the front portion of the two side plates, and which has a cam surface to which the hopper shaft can be engaged when the paper feeding tray is mounted.
    • 一种用于打印机的送纸装置,其由进纸托盘和托盘接收器构成。 供纸托盘在其底部具有可旋转的料斗板,设置在料斗板前端下表面的料斗轴,两个分别连接到料斗轴的两端的移动杆,可移动地由两个 供纸托盘的侧面,在托盘配合方向上形成的两侧的引导槽,由两个引导槽支撑的两个可动构件,并且具有向外延伸的固定部分,以及设置在可动杆和可动构件之间的弹簧, 并且用于相对于可动杆将料斗板推过料斗轴。 托盘接收器包含以一定间隔设置的两个侧板,其允许进纸盘被插入,将两个侧板的后部的内表面上的固定槽固定在两个侧板的后部的内表面上,并且在安装 进纸盘,并且防止可动件的移动并使弹簧膨胀以增加弹簧力;以及锁定凸轮,其可移动地支撑在两个侧板的前部的内表面上,并且具有凸轮表面 当安装进纸托盘时,料斗轴可以接合。