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    Magnetic tape apparatus for controlling a back tension of a magnetic tape running on a rotary drum
    2.
    发明公开
    Magnetic tape apparatus for controlling a back tension of a magnetic tape running on a rotary drum 失效
    Magnetbandgerätzur Steuerung der Gegenspannung eines auf einer Drehtrommel laufenden Magnetbandes

    公开(公告)号：EP0782136A1

    公开(公告)日：1997-07-02

    申请号：EP96309539.3

    申请日：1996-12-27

    申请人： Mitsumi Electric Company Ltd. ,  Hewlett-Packard Company

    发明人： Annen, Ryoichi, c/o Mitsumi Elec. Co., Ltd. ,  Setsumasa, Keiichi, c/o Mitsumi Elec. Co., Ltd. ,  Ode, Naoki, c/o Mitsumi Elec. Co., Ltd. ,  Maule, Hugo William ,  Steven, Peter J.

    IPC分类号： G11B15/43

    CPC分类号： G11B15/43

    摘要： A magnetic tape apparatus includes a head (31) which reproduces data from or records data onto a magnetic tape (62), taken out from a cassette (60), when the tape is running. A supply reel shaft (33) rotates a supply reel to supply the tape from the cassette to the head. A take-up reel shaft (34) rotates a take-up reel to wind the tape from the head around the take-up reel. A back tension applying mechanism (36) has a brake part (53) which presses the supply reel shaft to produce a braking force on the supply reel shaft, the back tension applying mechanism applying a back tension to the tape when the braking force is produced. A pressing force varying mechanism (80) controls a pressing force of the brake part on the supply reel shaft such that the pressing force is maintained at an appropriate level for a type of the cassette.

    摘要翻译： 磁带装置包括当磁带运行时从磁带（60）中取出数据或将数据记录到磁带（62）上的磁头（31）。 供带盘轴（33）使供带盘旋转以将带从盒带提供到头部。 收纸卷轴（34）旋转收纸卷轴，使卷带头绕卷绕卷轴卷起。 背张力施加机构（36）具有制动部（53），该制动部（53）按压供带盘轴以在供带盘轴上产生制动力，当制动力产生时，背张力施加机构向带施加反张力 。 按压力变化机构（80）控制制动部件在供带盘轴上的按压力，使得对于一种类型的盒子，按压力保持在适当的水平。

    Tape drives for use with tape cartridges
    4.
    发明公开
    Tape drives for use with tape cartridges 失效
    Bandantrieb zur Benutzung mit Bandkassetten

    公开(公告)号：EP0837466A1

    公开(公告)日：1998-04-22

    申请号：EP96307482.8

    申请日：1996-10-15

    申请人： Hewlett-Packard Company

    发明人： Maule, Hugo William

    IPC分类号： G11B15/61 ,  G11B15/665 ,  G11B15/675

    CPC分类号： G11B15/665 ,  G11B15/61 ,  G11B15/675

    摘要： In a tape drive which uses a tape cartridge, the cartridge housing 34 is vertically referenced with respect to a positioning pin 30 in the operative position of the cartridge, and a spring-loaded tape guide 28 which is slidable on the positioning pin 30 is vertically referenced with respect to the cartridge housing 34 to ensure proper vertical alignment of the tape guide 28 with the cartridge housing 34 and reduce wear on the edge of the tape 25.

    摘要翻译： 在使用带盒的磁带驱动器中，盒壳体34在盒的操作位置相对于定位销30竖直地标记，并且可在定位销30上滑动的弹簧加载的带引导件28垂直 相对于盒壳体34参考，以确保带引导件28与盒壳体34的适当的垂直对准，并减少带25的边缘上的磨损。