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    • 3. 发明授权
    • Helical scan magnetic tape recorder with capstan assisted vacuum
threading
    • 具有CAPSTAN辅助真空螺纹的螺旋扫描磁带记录仪
    • US5184258A
    • 1993-02-02
    • US712834
    • 1991-06-10
    • Frederic F. GrantVincent J. PiarulliAlexander R. MaxeyRobert Ryerson
    • Frederic F. GrantVincent J. PiarulliAlexander R. MaxeyRobert Ryerson
    • G11B15/61G11B15/665
    • G11B15/6656
    • A helical scan magnetic tape recorder includes a rotary magnetic head scanner and a received magnetic tape cassette including spaced coplanar supply and take-up reels having magnetic tape spooled on the reels with a span of magnetic tape extending between the reels. Supply and take-up vacuum cavities are located contiguous to and on respective opposite sides of the scanner. Supply and take-up capstans are spaced from the rotary head scanner located in a tape transport path between the vacuum cavities and the tape cassette. Magnetic tape is initially removed from the cassette and moved to a tape vacuum loading position where it partially contacts the rotary head scanner, by a mechanical threading device. Thereafter, vacuum is applied to the vacuum cavities to draw the tape into contact with the vacuum cavities to substantially wrap the tape around the rotary head scanner. The supply and take-up capstans are rotated during vacuum threading to assist drawing the tape into the vacuum cavities.
    • 螺旋扫描磁带录像机包括旋转磁头扫描器和接收的磁带盒,其包括间隔开的共面电源和卷取卷轴,磁带卷绕在卷轴上,磁带跨越卷轴之间延伸一段磁带。 供应和吸收真空腔定位在扫描仪的相对两侧和相对的两侧。 供应和卷绕绞盘与位于真空腔和带盒之间的带传送路径中的旋转头扫描仪隔开。 磁带最初从盒中取出并移动到通过机械穿线装置部分地接触旋转头扫描器的带真空装载位置。 此后,将真空施加到真空腔,以将带拉出与真空腔接触,从而基本上将带缠绕在旋转头扫描仪周围。 供应和卷取绞盘在真空穿线期间旋转,以帮助将带拉入真空腔。
    • 6. 发明授权
    • Automatic threading of a web using a flexible threading band
    • 使用柔性穿线带自动穿线
    • US4991038A
    • 1991-02-05
    • US274900
    • 1988-11-21
    • Frederic F. GrantVincent J. Piarulli
    • Frederic F. GrantVincent J. Piarulli
    • G11B15/61G11B15/665
    • G11B15/6653G11B15/61
    • A web, contained in a cassette, is automatically threaded along an external transport path past a web utilization station, by means of a flexible threading band which pushes the web around the path. In a preferred embodiment, magnetic tape, contained in a cassette, is automatically threaded about a tape transport path past a magnetic head assembly by means of a flexible threading band contained in a threading band. The threading band is positioned behind a segment of the magnetic tape and is ejected from its own cassette, (1) to pull the magnetic tape out of the tape cassette, (2) to wrap the tape around a rotary head scanner of a magnetic tape recording/reproducing apparatus, and (3) to configure the tape to the tape transport path. After the tape is threaded, the flexible band is withdrawn into its cassette.
    • 包含在盒式磁带中的网通过沿着路径推动卷筒纸的柔性穿线带沿着外部传输路径自动地穿过网络利用站。 在一个优选实施例中,包含在盒中的磁带通过包含在穿线带中的柔性穿线带自动地绕磁带传送路径穿过磁头组件。 螺纹带位于磁带的一段后面并从其自身的盒中弹出,(1)将磁带拉出带盒,(2)将磁带包裹在磁带的旋转磁头扫描器 记录/再现装置,以及(3)将带配置到磁带传送路径。 胶带穿线后,将柔性带退回到其盒中。