Track change-over mechanism for a multi-channel tape recorder
    1.
    发明授权
    Track change-over mechanism for a multi-channel tape recorder 失效
    跟踪多通道录像机的切换机制

    公开(公告)号:US4107750A

    公开(公告)日:1978-08-15

    申请号:US760409

    申请日:1977-01-18

    IPC分类号: G11B5/55 G11B21/08

    CPC分类号: G11B5/5504

    摘要: A track change-over mechanism for shifting a magnetic head of a multi-channel tape recorder and comprising a cam follower for moving the magnetic head and bearing upon a stepped cam angularly displaceable with an idler wheel carried on a pivoted lever which rocks to a driving position in which the idler wheel is in driving contact with capstan means for rotating the idler and the stepped cam, an electromagnetic device for directly or indirectly actuating rocking of the pivoted lever and means including a second cam for disengaging the idler wheel drive when the stepped cam has shifted the stepped cam-follower, and thereby the magnetic head, by one step.

    摘要翻译: 一种用于移动多通道磁带录像机的磁头的轨道切换机构,包括用于将磁头和轴承移动到阶梯式凸轮上的凸轮从动件,所述凸台随动器可以与承载在枢转杆上的惰轮成角度地移动, 惰轮与驱动器接触的位置用于使惰轮和阶梯式凸轮旋转;电磁装置,用于直接或间接地驱动转动杆的摇摆;以及装置,包括第二凸轮,用于当步进齿轮 凸轮将台阶凸轮从动件从而使磁头移动一步。

    Track change-over mechanism for a multi-channel tape
    2.
    发明授权
    Track change-over mechanism for a multi-channel tape 失效
    跟踪多通道磁带的切换机制

    公开(公告)号:US4024582A

    公开(公告)日:1977-05-17

    申请号:US605406

    申请日:1975-08-18

    IPC分类号: G11B5/55 G11B21/08

    CPC分类号: G11B5/5504

    摘要: A track change-over mechanism for shifting a magnetic head of a multi-channel tape recorder and comprising a cam follower for moving the magnetic head and bearing upon a stepped cam angularly displaceable with an idler wheel carried on a pivoted lever which rocks to a driving position in which the idler wheel is in driving contact with capstan means for rotating the idler and the stepped cam, an electromagnetic device for directly or indirectly actuating rocking of the pivoted lever and means including a second cam for disengaging the idler wheel drive when the stepped cam has shifted the stepped cam-follower, and thereby the magnetic head, by one step.

    摘要翻译: 一种用于移动多通道磁带录像机的磁头的轨道切换机构,包括用于将磁头和轴承移动到阶梯式凸轮上的凸轮从动件,所述凸台随动器可以与承载在枢转杆上的惰轮成角度地移动, 惰轮与驱动器接触的位置用于使惰轮和阶梯式凸轮旋转;电磁装置,用于直接或间接地驱动转动杆的摇摆;以及装置,包括第二凸轮,用于当步进齿轮 凸轮将台阶凸轮从动件从而使磁头移动一步。