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    • 4. 发明授权
    • Mechanism for transmitting driving force to recording and/or reproducing
apparatus
    • 将驱动力发送到记录和/或再现装置的机构
    • US5295639A
    • 1994-03-22
    • US829577
    • 1992-02-03
    • Toshiya KurokawaToshiyuki Yamazaki
    • Toshiya KurokawaToshiyuki Yamazaki
    • G11B15/44G11B15/50G11B15/665G11B15/18
    • G11B15/50G11B15/442G11B15/6653
    • A system for supplying driving force to a recording and/or reproducing apparatus includes a first gear train which causes a supply or take-up reel table to rotate at a first speed, and a second gear train which causes the supply or take-up reel table to rotate at a second speed higher than the first speed. By selecting one of these gear trains, the apparatus selectively operates in a FF/REW mode or a high-speed FF/REW mode. In the FF/REW mode, the tape forwarding or rewinding is performed in a tape loaded condition in which tape is arranged in the usual tape traveling path. In the high-speed FF/REW mode, it is performed in a tape unloaded condition in which the tape is arranged at a location other than in the tape traveling path, or is housed within a tape cassette. The system has a torque limiter between a driving source and the first or second gear train. When the apparatus operates in a forward or reverse reproduction mode, the torque limiter acts on the first gear train so as to decrease the rotation speed of the supply or take-up reel table depending upon the load applied to the first gear train.
    • 一种用于向记录和/或再现装置提供驱动力的系统包括:第一齿轮系,其使得供给或卷带轮台以第一速度旋转;以及第二齿轮系,其使供应或卷取卷轴 工作台以比第一速度高的第二速度旋转。 通过选择这些齿轮系中的一个,该装置选择性地以FF / REW模式或高速FF / REW模式操作。 在FF / REW模式中,磁带转发或倒带在磁带装载状态下进行,其中磁带布置在通常的磁带传送路径中。 在高速FF / REW模式中,它是在磁带未装载状态下执行的,其中磁带布置在磁带行进路径之外的位置处,或被容纳在磁带盒内。 该系统在驱动源和第一或第二齿轮系之间具有扭矩限制器。 当设备以正向或反向再现模式操作时,扭矩限制器作用在第一齿轮系上,以便根据施加到第一齿轮系的负载来减小供给或卷带盘的转速。