Control circuit for a stepping motor
    1.
    发明授权
    Control circuit for a stepping motor 失效
    步进电机控制电路

    公开(公告)号:US4626760A

    公开(公告)日:1986-12-02

    申请号:US711846

    申请日:1985-03-14

    CPC分类号: H02P8/12 G04C3/143

    摘要: The control circuit comprises means for measuring current flow in the motor winding including an auxiliary transistor and means to form periodically a current mirror from such auxiliary transistor and one of the transistors coupled to the winding for applying thereto energization pulses, i.e. motor drive pulses, catch-up pulses or check pulses.

    摘要翻译: 控制电路包括用于测量包括辅助晶体管的电动机绕组中的电流的装置,以及用于从这种辅助晶体管周期性地形成电流镜的装置,以及耦合到绕组的晶体管中的一个施加到其上的通电脉冲,即电动机驱动脉冲,捕获 - 脉冲或检查脉冲。