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    Systems and methods for detecting head contact
    1.
    发明授权
    Systems and methods for detecting head contact 有权
    检测头部接触的系统和方法

    公开(公告)号：US09343082B2

    公开(公告)日：2016-05-17

    申请号：US12750675

    申请日：2010-03-30

    申请人： Harley Burger ,  David Fitzgerald ,  Jason P. Brenden ,  Stephen Kuehne

    发明人： Harley Burger ,  David Fitzgerald ,  Jason P. Brenden ,  Stephen Kuehne

    IPC分类号： G11B5/02 ,  G11B5/012 ,  G11B5/60

    CPC分类号： G11B5/02 ,  G11B5/012 ,  G11B5/6005 ,  G11B5/6064

    摘要： Various embodiments of the present invention provide systems and methods for determining contact with a storage medium. As an example, a data storage system is disclosed that includes: a head assembly and a data processing circuit. The head includes a head disk interface sensor operable to provide a contact signal indicating contact between the head and a storage medium disposed in relation to the head. The data processing circuit is operable to process the contact signal to yield an indication of a contact between the storage medium and the head.

    摘要翻译： 本发明的各种实施例提供用于确定与存储介质的接触的系统和方法。 作为示例，公开了一种数据存储系统，其包括：头部组件和数据处理电路。 头部包括头盘接口传感器，其可操作以提供指示头部与相对于头部布置的存储介质之间的接触的接触信号。 数据处理电路可操作以处理接触信号以产生存储介质和磁头之间的接触的指示。

    Systems and Methods for Detecting Head Contact
    2.
    发明申请
    Systems and Methods for Detecting Head Contact 有权
    检测头部接触的系统和方法

    公开(公告)号：US20110242691A1

    公开(公告)日：2011-10-06

    申请号：US12750675

    申请日：2010-03-30

    申请人： Harley Burger ,  David Fitzgerald ,  Jason P. Brenden ,  Stephen Kuehne

    发明人： Harley Burger ,  David Fitzgerald ,  Jason P. Brenden ,  Stephen Kuehne

    IPC分类号： G11B27/36

    CPC分类号： G11B5/02 ,  G11B5/012 ,  G11B5/6005 ,  G11B5/6064

    摘要： Various embodiments of the present invention provide systems and methods for determining contact with a storage medium. As an example, a data storage system is disclosed that includes: a head assembly and a data processing circuit. The head includes a head disk interface sensor operable to provide a contact signal indicating contact between the head and a storage medium disposed in relation to the head. The data processing circuit is operable to process the contact signal to yield an indication of a contact between the storage medium and the head.

    摘要翻译： 本发明的各种实施例提供用于确定与存储介质的接触的系统和方法。 作为示例，公开了一种数据存储系统，其包括：头部组件和数据处理电路。 头部包括头盘接口传感器，其可操作以提供指示头部与相对于头部布置的存储介质之间的接触的接触信号。 数据处理电路可操作以处理接触信号以产生存储介质和磁头之间的接触的指示。

    Composite data detector and a method for detecting data
    3.
    发明申请
    Composite data detector and a method for detecting data 有权
    复合数据检测器和数据检测方法

    公开(公告)号：US20060140311A1

    公开(公告)日：2006-06-29

    申请号：US11021019

    申请日：2004-12-23

    申请人： Jonathan Ashley ,  Harley Burger

    发明人： Jonathan Ashley ,  Harley Burger

    IPC分类号： H03D1/00

    CPC分类号： G11B20/10009 ,  H04L25/03318 ,  H04L25/067

    摘要： A composite data detector having first and second data detectors. The second detector of the invention starts in a known state and only runs as long as is necessary before being switched off and handing control back over to the smaller detector. Therefore, the composite data detector of the invention consumes less power than the known composite data detector and estimates bits with higher accuracy.

    摘要翻译： 一种具有第一和第二数据检测器的复合数据检测器。 本发明的第二检测器以已知状态开始，并且仅在被切断之前必要时运行并且将控制返回到较小检测器。 因此，本发明的复合数据检测器比已知的复合数据检测器消耗更少的功率，并且以更高的精度估计比特。

    Systems and methods for codec usage control during storage pre-read
    5.
    发明授权
    Systems and methods for codec usage control during storage pre-read 有权
    存储预读过程中编解码器使用控制的系统和方法

    公开(公告)号：US08250434B2

    公开(公告)日：2012-08-21

    申请号：US12487638

    申请日：2009-06-18

    申请人： Shaohua Yang ,  Yuan Xing Lee ,  Changyou Xu ,  Richard Rauschmayer ,  Harley Burger ,  Kapil Gaba

    发明人： Shaohua Yang ,  Yuan Xing Lee ,  Changyou Xu ,  Richard Rauschmayer ,  Harley Burger ,  Kapil Gaba

    IPC分类号： H03M13/00

    CPC分类号： G11B20/10527 ,  G11B20/10194 ,  G11B2020/10694 ,  G11B2020/10805 ,  G11B2220/2516 ,  H03M13/1102 ,  H03M13/2957 ,  H03M13/6343

    摘要： Various embodiments of the present invention provide systems and methods for data processing. For example, a data processing circuit is disclosed that includes an increased iteration enable signal, a first detector circuit, a second detector circuit, and a data decoding circuit. The first detector circuit receives a data set and performs a data detection on the data set to provide a detected data set. The data decoding circuit receives a derivative of the detected data set and performs a decoding process to provide a decoded data set. The decoded data set is provided to the second detector circuit based at least in part on an assertion level of the increased iteration enable signal.

    摘要翻译： 本发明的各种实施例提供了用于数据处理的系统和方法。 例如，公开了一种数据处理电路，其包括增加的迭代使能信号，第一检测器电路，第二检测器电路和数据解码电路。 第一检测器电路接收数据组并对数据集执行数据检测以提供检测数据集。 数据解码电路接收检测数据组的导数，并进行解码处理，提供解码数据组。 解码数据集至少部分地基于增加的迭代使能信号的断言电平被提供给第二检测器电路。

    Systems and Methods for Codec Usage Control During Storage Pre-read
    8.
    发明申请
    Systems and Methods for Codec Usage Control During Storage Pre-read 有权
    存储预读期间编码器使用控制的系统和方法

    公开(公告)号：US20100322048A1

    公开(公告)日：2010-12-23

    申请号：US12487638

    申请日：2009-06-18

    申请人： Shaohua Yang ,  Yuan Xing Lee ,  Changyou Xu ,  Richard Rauschmayer ,  Harley Burger ,  Kapil Gaba

    发明人： Shaohua Yang ,  Yuan Xing Lee ,  Changyou Xu ,  Richard Rauschmayer ,  Harley Burger ,  Kapil Gaba

    IPC分类号： G11B20/00

    CPC分类号： G11B20/10527 ,  G11B20/10194 ,  G11B2020/10694 ,  G11B2020/10805 ,  G11B2220/2516 ,  H03M13/1102 ,  H03M13/2957 ,  H03M13/6343

    摘要： Various embodiments of the present invention provide systems and methods for data processing. For example, a data processing circuit is disclosed that includes an increased iteration enable signal, a first detector circuit, a second detector circuit, and a data decoding circuit. The first detector circuit receives a data set and performs a data detection on the data set to provide a detected data set. The data decoding circuit receives a derivative of the detected data set and performs a decoding process to provide a decoded data set. The decoded data set is provided to the second detector circuit based at least in part on an assertion level of the increased iteration enable signal.

    摘要翻译： 本发明的各种实施例提供了用于数据处理的系统和方法。 例如，公开了一种数据处理电路，其包括增加的迭代使能信号，第一检测器电路，第二检测器电路和数据解码电路。 第一检测器电路接收数据组并对数据集执行数据检测以提供检测数据集。 数据解码电路接收检测数据组的导数，并进行解码处理，提供解码数据组。 解码数据集至少部分地基于增加的迭代使能信号的断言电平被提供给第二检测器电路。

    Systems and methods for adaptive MRA compensation
    9.
    发明授权
    Systems and methods for adaptive MRA compensation 有权
    用于自适应MRA补偿的系统和方法

    公开(公告)号：US07929240B2

    公开(公告)日：2011-04-19

    申请号：US12337775

    申请日：2008-12-18

    申请人： George Mathew ,  Yuan Xing Lee ,  Harley Burger ,  Li Du

    发明人： George Mathew ,  Yuan Xing Lee ,  Harley Burger ,  Li Du

    IPC分类号： G11B5/03 ,  G11B5/035

    CPC分类号： G11B20/10203 ,  G11B20/10194 ,  G11B2220/2516

    摘要： Various embodiments of the present invention provide systems and methods for reducing head distortion. For example, various embodiments of the present invention provide storage devices that include a storage medium, a read/write head assembly, and an adaptive distortion modification circuit. The storage medium includes information that may be sensed by the read/write head assembly that is disposed in relation to the storage medium. The adaptive distortion modification circuit receives the information sensed by the read/write head assembly and adaptively estimates and implements a distortion compensation factor in the analog domain. In some instances of the aforementioned embodiments, the read/write head assembly includes a magneto resistive head. In such instances, the distortion compensation factor is designed to compensate for non-linear distortion introduced by the magneto resistive head.

    摘要翻译： 本发明的各种实施例提供了减少磁头失真的系统和方法。 例如，本发明的各种实施例提供了包括存储介质，读/写头组件和自适应失真修改电路的存储设备。 存储介质包括可以由相对于存储介质设置的读/写头组件感测到的信息。 自适应失真修改电路接收由读/写头组件感测的信息，并自适应地估计并实现模拟域中的失真补偿因子。 在上述实施例的一些情况下，读/写头组件包括磁阻头。 在这种情况下，失真补偿因子被设计为补偿由磁阻头引入的非线性失真。

    Systems and Methods for Adaptive MRA Compensation
    10.
    发明申请
    Systems and Methods for Adaptive MRA Compensation 有权
    自适应MRA补偿的系统和方法

    公开(公告)号：US20100157464A1

    公开(公告)日：2010-06-24

    申请号：US12337775

    申请日：2008-12-18

    申请人： George Mathew ,  Yuan Xing Lee ,  Harley Burger ,  Li Du

    发明人： George Mathew ,  Yuan Xing Lee ,  Harley Burger ,  Li Du

    IPC分类号： G11B21/02 ,  G11B5/33

    CPC分类号： G11B20/10203 ,  G11B20/10194 ,  G11B2220/2516

    摘要： Various embodiments of the present invention provide systems and methods for reducing head distortion. For example, various embodiments of the present invention provide storage devices that include a storage medium, a read/write head assembly, and an adaptive distortion modification circuit. The storage medium includes information that may be sensed by the read/write head assembly that is disposed in relation to the storage medium. The adaptive distortion modification circuit receives the information sensed by the read/write head assembly and adaptively estimates and implements a distortion compensation factor in the analog domain. In some instances of the aforementioned embodiments, the read/write head assembly includes a magneto resistive head. In such instances, the distortion compensation factor is designed to compensate for non-linear distortion introduced by the magneto resistive head.

    摘要翻译： 本发明的各种实施例提供了减少磁头失真的系统和方法。 例如，本发明的各种实施例提供了包括存储介质，读/写头组件和自适应失真修改电路的存储设备。 存储介质包括可以由相对于存储介质设置的读/写头组件感测到的信息。 自适应失真修改电路接收由读/写头组件感测的信息，并自适应地估计并实现模拟域中的失真补偿因子。 在上述实施例的一些情况下，读/写头组件包括磁阻头。 在这种情况下，失真补偿因子被设计为补偿由磁阻头引入的非线性失真。