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    Using disk drive parallelism to increase drive capability while maintaining a baseline performance
    61.
    发明授权
    Using disk drive parallelism to increase drive capability while maintaining a baseline performance 有权

    公开(公告)号：US10090010B1

    公开(公告)日：2018-10-02

    申请号：US15702933

    申请日：2017-09-13

    Applicant: Seagate Technology LLC

    Inventor： Mehmet Fatih Erden

    IPC: G11B5/09 ,  G11B5/58 ,  G11B19/20 ,  G11B5/012

    Abstract: A baseline performance of a disk drive is found based on a media speed and a bit aspect ratio of the drive. A parallelism architecture is chosen for the disk drive based on an end-use application of the drive. The parallelism architecture includes two heads capable of simultaneously accessing one or more disks of the disk drive. An increased performance of the disk drive is determined due to the parallelism architecture, and at least one of the media speed and bit aspect ratio are reduced such that a final drive performance with the parallelism architecture satisfies the baseline performance, the baseline performance being less than the increased performance. The reduction of the media speed and/or bit aspect ratio increases another capability of the drive over that of the equivalent drive.

    Read head with co-planar readers offset from a third reader
    64.
    发明授权
    Read head with co-planar readers offset from a third reader 有权
    读头与第三读者偏移的共平面读取器

    公开(公告)号：US09570104B1

    公开(公告)日：2017-02-14

    申请号：US15067399

    申请日：2016-03-11

    Applicant: Seagate Technology LLC

    Inventor： Mehmet Fatih Erden ,  Edward Charles Gage

    IPC: G11B5/02 ,  G11B20/10 ,  G11B5/48

    CPC classification number: G11B20/10009 ,  G11B5/012 ,  G11B5/4886 ,  G11B2220/2516

    Abstract: A combination user data signal is read from two or more inner tracks of a recording medium via a first reader that encompasses the inner tracks. First and second data signals are read from respective first and second outer tracks that surround the inner tracks via second and third co-planar readers that are on a same head-gimbal assembly as the first reader. The first reader is centered between and downtrack from the first and second co-planar readers on the read head. User data is recovered based on the combination user data signal and the first and second data signals.

    Abstract translation: 组合的用户数据信号经由包含内部轨道的第一读取器从记录介质的两个或多个内部轨道读取。 第一和第二数据信号通过与第一读取器在同一个万用头组件上的第二和第三共面读取器从围绕内部轨道的相应的第一和第二外部轨道读取。 第一个阅读器位于阅读头上的第一和第二个共平面读取器之间的中心和下降之间。 基于组合用户数据信号和第一和第二数据信号来恢复用户数据。

    Relaxing media design constraints with two-dimensional magnetic recording
    65.
    发明授权
    Relaxing media design constraints with two-dimensional magnetic recording 有权
    放松介质设计约束与二维磁记录

    公开(公告)号：US09373349B1

    公开(公告)日：2016-06-21

    申请号：US14724993

    申请日：2015-05-29

    Applicant: SEAGATE TECHNOLOGY LLC

    Inventor： Mehmet Fatih Erden ,  Edward Charles Gage

    IPC: G11B5/82 ,  G11B5/74 ,  G11B20/10

    CPC classification number: G11B5/746 ,  G11B5/012 ,  G11B5/3948 ,  G11B5/4886 ,  G11B20/10222 ,  G11B20/10268 ,  G11B20/1217

    Abstract: Technologies are described herein for relaxing design constraints on magnetic recording media through the use of two-dimensional magnetic recording in a storage device. A storage device comprises a magnetic recording surface comprising a plurality of discrete storage locations formatted in an ordered pattern, the magnetic recording surface configured so that a single bit of data is stored in two or more of the discrete storage locations. The storage device further includes a read-write channel configured to utilize two-dimensional magnetic recording to read and write data to the magnetic recording surface.

    Abstract translation: 本文描述了通过在存储装置中使用二维磁记录来放松对磁记录介质的设计限制的技术。 存储装置包括磁记录表面，其包括以有序图案格式化的多个离散存储位置，所述磁记录表面被配置为使得单个位数据被存储在两个或更多个离散存储位置中。 存储装置还包括被配置为利用二维磁记录将数据读取和写入磁记录表面的读写通道。

    Requirement relaxation for multiple readers in presence of large skew angle range
    66.
    发明授权
    Requirement relaxation for multiple readers in presence of large skew angle range 有权
    存在大偏斜角度范围的多位读者需要放松

    公开(公告)号：US09123384B2

    公开(公告)日：2015-09-01

    申请号：US14665150

    申请日：2015-03-23

    Applicant: Seagate Technology LLC

    Inventor： Mehmet Fatih Erden ,  Scott Warmka ,  Barmeshwar Vikramaditya ,  Ralph William Cross

    IPC: G11B21/02 ,  G11B20/20 ,  G11B20/10

    CPC classification number: G11B20/10388 ,  G11B5/012 ,  G11B5/09 ,  G11B20/10305

    Abstract: A readback signal from a first reader and a readback signal from a second reader are received, the first reader and the second reader configured to read two-dimensional data from at least one track of a recording media. A quality metric of the second reader is measured based on the readback signal. It is determined if the quality metric for the second reader is above a threshold. If the quality metric is above the threshold, the first reader and the second reader are used to read the data.

    Abstract translation: 接收来自第一读取器的回读信号和来自第二读取器的回读信号，第一读取器和第二读取器被配置为从记录介质的至少一个轨道读取二维数据。 基于回读信号测量第二读取器的质量度量。 确定第二读取器的质量度量是否高于阈值。 如果质量度量高于阈值，则使用第一读取器和第二读取器来读取数据。

    Reading narrow data tracks with multiple wide readers
    67.
    发明授权
    Reading narrow data tracks with multiple wide readers 有权
    阅读窄数据轨道与多个宽读者

    公开(公告)号：US09105302B1

    公开(公告)日：2015-08-11

    申请号：US14446047

    申请日：2014-07-29

    Applicant: Seagate Technology LLC

    Inventor： Mehmet Fatih Erden ,  Jason Charles Jury

    IPC: G11B20/10 ,  G11B5/48

    CPC classification number: G11B20/10268 ,  G11B5/012 ,  G11B5/265 ,  G11B5/4886

    Abstract: Technologies are described herein for utilizing multiple, wide readers to read narrow data tracks on a magnetic recording media in a storage device. A system for reading a data track on a magnetic recording media comprises a plurality of reader elements and a multi-reader decoder module operably connected to the plurality of reader elements. Each of the reader elements is configured to read a magnetic signal from the magnetic recording media. Each reader element may be wider than a width of the data track on the recording media. The multi-reader decoder module is configured to receive a read signal from each of the reader elements, and decode the data on the data track based on the read signals from the reader elements.

    Abstract translation: 本文描述了利用多个宽读取器来读取存储设备中的磁记录介质上的窄数据轨的技术。 用于在磁记录介质上读取数据轨道的系统包括多个读取器元件和可操作地连接到多个读取器元件的多读取器解码器模块。 每个读取器元件被配置为从磁记录介质读取磁信号。 每个读取器元件可以比记录介质上的数据轨道的宽度宽。 多读取器解码器模块被配置为从每个读取器元件接收读取信号，并且基于来自读取器元件的读取信号对数据轨道上的数据进行解码。

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