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    • 4. 发明授权
    • Electronic typewriter and its control apparatus
    • 电子打字机及其控制装置
    • US4353655A
    • 1982-10-12
    • US13329
    • 1979-02-21
    • Tomoyoshi WatanabeTakanobu HirayamaMotokazu YoshimuraKenji MizunoYukio Inukai
    • Tomoyoshi WatanabeTakanobu HirayamaMotokazu YoshimuraKenji MizunoYukio Inukai
    • H02P8/00B41J1/24B41J7/34B41J9/46B41J29/38B41J35/10B41J1/30
    • B41J1/24
    • An electronic typewriter comprising: a keyboard having a plurality of keys and generating an encoded signal in response to the depression of each key; a printing unit having a print wheel with a plurality of type elements disposed around the periphery thereof, a step motor for rotating the print wheel, a print hammer for impacting the type element brought to a printing position, an ink ribbon, and a ribbon drive mechanism for bringing the ink ribbon to the printing position; and an electronic control circuit for coupling the keyboard to the printing unit. The electronic control circuit controls the rotation of the step motor according to the encoded signal received from the keyboard so as to bring a type element selected by the encoded signal to the printing position within a short time for executing quicker printing, and further controls the action of both the print hammer and the ribbon drive mechanism in response to the rotation of the step motor.
    • 一种电子打字机,包括:具有多个键的键盘,并且响应于每个键的按下而产生编码信号; 具有打印轮的打印单元,所​​述打印轮具有设置在其周边的多个类型元件,用于旋转所述打印轮的步进马达,用于冲击所述打印位置的所述元件的打印锤,墨带和色带驱动器 将墨带带到打印位置的机构; 以及用于将键盘耦合到打印单元的电子控制电路。 电子控制电路根据从键盘接收到的编码信号来控制步进电动机的旋转,以便在短时间内将由编码信号选择的类型元素带到打印位置,以执行更快的打印,并进一步控制动作 响应于步进电机的旋转,打印锤和色带驱动机构两者。