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    • 32. 发明申请
    • METHOD AND APPARATUS FOR OPERATING A STORAGE DEVICE
    • 用于操作存储设备的方法和装置
    • US20120293889A1
    • 2012-11-22
    • US13575508
    • 2011-01-27
    • Evangelos S. EleftheriouWalter HaeberleJens JelittoAngeliki Pantazi
    • Evangelos S. EleftheriouWalter HaeberleJens JelittoAngeliki Pantazi
    • G11B21/02G11B5/008
    • G11B5/584
    • Method for operating a storage device with a tape and a head wherein the head comprises a first and a second read element. Each read element is operable to detect servo-pattern of a particular servo band. The first and the second read element are arranged such that the tape at first passes one of both read elements and subsequently passes the other of both read elements when the tape moves in a predetermined longitudinal direction. A tape transport direction of the tape along the longitudinal direction is determined. The first read element is selected dependent on the determined tape transport direction, when the determined tape transport direction represents a direction where the tape at first passes the first read element and subsequently the second read element. Otherwise the second read element is selected. A position error signal is determined dependent on the selected read element.
    • 用于操作具有带和头的存储设备的方法,其中所述头部包括第一和第二读取元件。 每个读取元件可操作以检测特定伺服带的伺服图案。 第一和第二读取元件被布置成使得当磁带沿预定的纵向方向移动时,磁带首先通过两个读取元件中的一个并随后通过两个读取元件中的另一个元件。 确定带沿着纵向的带传送方向。 当所确定的磁带传送方向表示磁带首先通过第一读取单元的方向和随后的第二读取单元的方向时,第一读取单元根据确定的磁带传送方向来选择。 否则选择第二个读取元素。 取决于所选择的读取元素来确定位置误差信号。