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11. 发明授权

US09323584B2 Load adaptive data recovery pipeline 有权
标题翻译：加载自适应数据恢复管道
公开(公告)号：US09323584B2
公开(公告)日：2016-04-26
申请号：US14020624
申请日：2013-09-06
申请人： Seagate Technology LLC
发明人： Jeffrey John Pream , Bijoy Purushothaman , Venugopal Rao Garuda , Ara Patapoutian
IPC分类号： G06F9/46 , G06F9/50
CPC分类号： G06F9/5083 , G06F9/5016 , G06F2209/5021 , G06F2209/507 , Y02D10/22
摘要： A load adaptive pipeline system includes a data recovery pipeline configured to transfer data between a memory and a host. The pipeline includes a plurality of resources, one or more of the plurality of resources in the pipeline have multiple resource components available for allocation. The system includes a pipeline controller configured to assess at least one parameter affecting data transfer through the pipeline. The pipeline controller is configure to allocate resource components to the one or more resources in the pipeline in response to assessment of the at least one data transfer parameter.
摘要翻译：负载自适应流水线系统包括被配置为在存储器和主机之间传送数据的数据恢复流水线。管线包括多个资源，管道中的多个资源中的一个或多个资源具有可用于分配的多个资源组件。该系统包括流水线控制器，其被配置为评估影响通过流水线的数据传输的至少一个参数。流水线控制器被配置为响应于至少一个数据传输参数的评估将资源组件分配给流水线中的一个或多个资源。

12. 发明授权

US09244766B2 Variable data recovery scheme hierarchy 有权
标题翻译：可变数据恢复方案层次结构
公开(公告)号：US09244766B2
公开(公告)日：2016-01-26
申请号：US14034251
申请日：2013-09-23
申请人： Seagate Technology LLC
发明人： Ara Patapoutian , Bruce Douglas Buch , Ryan James Goss , Mark Allen Gaertner , Arvind Sridharan
IPC分类号： G06F11/10
CPC分类号： G06F11/1048
摘要： Method and apparatus for managing data in a memory, such as a flash memory. In accordance with some embodiments, a memory has a plurality of solid-state non-volatile memory cells. A processing circuit is connected to the memory and configured to direct the execution of a plurality of read error recovery routines in response to at least one uncorrectable read error in a data set retrieved from the memory. The recovery routines are executed in a selected order based on an elapsed recovery time parameter for each of the recovery routines and an estimated probability of success of each of the recovery routines.
摘要翻译：用于管理诸如闪存之类的存储器中的数据的方法和装置。根据一些实施例，存储器具有多个固态非易失性存储单元。处理电路连接到存储器并且被配置为响应于从存储器检索的数据集中的至少一个不可校正的读取错误来引导执行多个读取错误恢复例程。基于每个恢复例程的经过恢复时间参数和每个恢复例程的估计的成功概率，以所选择的顺序执行恢复例程。

13. 发明申请

US20150378890A1 MULTI-DIMENTIONAL DATA RANDOMIZATION 有权
标题翻译：多数据数据随机化
公开(公告)号：US20150378890A1
公开(公告)日：2015-12-31
申请号：US14319021
申请日：2014-06-30
申请人： Seagate Technology LLC
发明人： Nicholas Odin LIen , Ara Patapoutian , Jeffrey J. Pream , Young Pil Kim , David Orrin Sluiter
IPC分类号： G06F12/06 , G06F12/02
CPC分类号： G11C7/18 , G11C8/06 , G11C8/12 , G11C16/08
摘要： The disclosed technology provides for multi-dimensional data randomization in a memory cell array using circular shifts of an initial scrambling sequence. Data addressed to a first row of a data array is randomized using the initial scrambling sequence and data addressed to each row of the memory cell array is randomized using a scrambling sequence that is equal to a circular shift of the initial sequence.
摘要翻译：所公开的技术使用初始加扰序列的循环移位在存储器单元阵列中提供多维数据随机化。使用初始加扰序列对寻址到数据阵列的第一行的数据进行随机化，并且使用等于初始序列的循环移位的加扰序列将寻址到存储器单元阵列的每一行的数据随机化。

14. 发明授权

US09025359B2 Applying a bias signal to memory cells to reverse a resistance shift of the memory cells 有权
公开(公告)号：US09025359B2
公开(公告)日：2015-05-05
申请号：US13761301
申请日：2013-02-07
申请人： Seagate Technology LLC
发明人： Ara Patapoutian , Antoine Khoueir , Ryan James Goss , Jon D. Trantham
IPC分类号： G11C13/00
摘要： Data is written to cells of a resistance-based, non-volatile memory. An activity metric is tracked since the writing of the data to the cells. In response to the activity metric satisfying a threshold, a bias signal is applied to the cells to reverse a resistance shift of the cells.

15. 发明申请

US20150089317A1 STORAGE DEVICE WITH MULTIPLE CODING REDUNDANCIES 有权
标题翻译：具有多个编码冗余的存储设备
公开(公告)号：US20150089317A1
公开(公告)日：2015-03-26
申请号：US14032677
申请日：2013-09-20
申请人： Seagate Technology LLC
发明人： Ara Patapoutian , Deepak Sridhara , Zheng Wang , Jason Charles Jury
IPC分类号： H03M13/23
CPC分类号： H03M13/353 , G11B20/1217 , G11B20/1833 , H03M13/1102 , H03M13/1515 , H03M13/152
摘要： A storage device is configured to utilize different encoding and decoding schemes in reading and writing data to different regions of a storage device based on the position of the storage regions and/or component-specific physical characteristics of the regions. Each encoding scheme may include multiple different types of encoders selected based an optimization process for each region.
摘要翻译：存储设备被配置为基于存储区域的位置和/或区域的组件特定物理特性来利用不同的编码和解码方案来将数据读取和写入存储设备的不同区域。每个编码方案可以包括基于每个区域的优化处理选择的多种不同类型的编码器。

16. 发明申请

US20150074488A1 DYNAMIC DISTRIBUTION OF CODE WORDS AMONG MULTIPLE DECODERS 有权
标题翻译：多个解码器中的代码的动态分配
公开(公告)号：US20150074488A1
公开(公告)日：2015-03-12
申请号：US14020630
申请日：2013-09-06
申请人： Seagate Technology LLC
发明人： Jeffrey John Pream , Ara Patapoutian
IPC分类号： G06F11/10
CPC分类号： G06F11/108 , G06F11/1048
摘要： A device comprising a data transfer channel is configured to transfer data between multiple memory devices and a host device. The channel includes multiple decoders and a buffer coupled between the multiple memory devices and the multiple decoders. The buffer is configured to store code words received from the memory devices. Channel control logic is configured to determine availability of one or more of the multiple decoders and to distribute the code words to the one or more decoders based on decoder availability.
摘要翻译：包括数据传输通道的设备被配置为在多个存储器设备和主机设备之间传送数据。信道包括多个解码器和耦合在多个存储器件和多个解码器之间的缓冲器。缓冲器被配置为存储从存储器件接收的代码字。信道控制逻辑被配置为确定多个解码器中的一个或多个解码器的可用性，并且基于解码器可用性将码字分发到一个或多个解码器。

17. 发明授权

US08976474B1 Universal modulation coding for a data channel 有权
标题翻译：数据通道的通用调制编码
公开(公告)号：US08976474B1
公开(公告)日：2015-03-10
申请号：US14045584
申请日：2013-10-03
申请人： Seagate Technology LLC
发明人： Zheng Wang , Ara Patapoutian , Raman C. Venkataramani , Gil I. Shamir
IPC分类号： G11B20/14 , G11B20/16 , G11B5/09 , H03M7/00
CPC分类号： G11B20/1426 , G11B20/1403
摘要： Technologies are described herein for implementing a universal modulation coding mechanism for a data channel. A user data sequence comprising a first number of bits is received. The user data sequence is encoded into a codeword sequence comprising a second number of bits utilizing a modulation encoder. The modulation encoder may encode the user data sequence based on a set of Markov state transition probabilities. The modulation encoder may implement a data de-compressor algorithm from a lossless data compression scheme. The codeword sequence is output to the data channel. The codeword sequence is subsequently received from the data channel, and the user data sequence is decoded from the codeword sequence utilizing a modulation decoder. The modulation decoder may decode the user data sequence based on the same set of Markov states transition probabilities. The modulation de-coder may implement the data compressor algorithm from the lossless data compression scheme.
摘要翻译：本文描述了用于实现数据信道的通用调制编码机制的技术。接收包括第一位数的用户数据序列。使用调制编码器将用户数据序列编码成包括第二位数的码字序列。调制编码器可以基于一组马尔可夫状态转换概率对用户数据序列进行编码。调制编码器可以从无损数据压缩方案实现数据去压缩器算法。码字序列被输出到数据信道。随后从数据信道接收码字序列，并且利用调制解码器从码字序列解码用户数据序列。调制解码器可以基于同一组马尔科夫状态转换概率对用户数据序列进行解码。调制解码器可以从无损数据压缩方案实现数据压缩算法。

18. 发明授权

US11977445B2 Host-level outer codes 有权
公开(公告)号：US11977445B2
公开(公告)日：2024-05-07
申请号：US17590129
申请日：2022-02-01
申请人： Seagate Technology LLC
发明人： Ara Patapoutian , Ryan McCallister , Ian Davies
IPC分类号： G06F11/10 , G06F11/00 , G11C29/52
CPC分类号： G06F11/1076
摘要： A method includes detecting, by a first data storage device, an error when reading data from the first data storage device. The method further includes correcting a portion of the error, by a controller of a host system, using host-level outer codes; and communicating, by the controller, error correction information to the first data storage device in response to correcting the portion of the error using the host-level outer codes.

19. 发明授权

US11960767B2 Outer codes for data storage devices 有权
公开(公告)号：US11960767B2
公开(公告)日：2024-04-16
申请号：US17689386
申请日：2022-03-08
申请人： Seagate Technology LLC
发明人： Ryan P. McCallister , Ara Patapoutian , Mark A. Gaertner , Ian Davies
IPC分类号： G06F3/06 , H03M13/15
CPC分类号： G06F3/0659 , G06F3/0604 , G06F3/0619 , G06F3/0635 , G06F3/0689 , H03M13/1515
摘要： A method includes receiving, by a data storage device, a read command. The method further includes reading a first set of outer code stored to a magnetic recording medium of the data storage device and storing the first set of outer code to memory. The method further includes receiving a write command to write data to the magnetic recording medium and writing a second set of outer code to the magnetic recording medium in connection with the write command.

20. 发明公开

US20230289095A1 OUTER CODES FOR DATA STORAGE DEVICES 审中-公开
公开(公告)号：US20230289095A1
公开(公告)日：2023-09-14
申请号：US17689386
申请日：2022-03-08
申请人： Seagate Technology LLC
发明人： RYAN P. McCALLISTER , Ara Patapoutian , Mark A. Gaertner , Ian Davies
IPC分类号： G06F3/06 , H03M13/15
CPC分类号： G06F3/0659 , G06F3/0635 , G06F3/0619 , G06F3/0604 , G06F3/0689 , H03M13/1515
摘要： A method includes receiving, by a data storage device, a read command. The method further includes reading a first set of outer code stored to a magnetic recording medium of the data storage device and storing the first set of outer code to memory. The method further includes receiving a write command to write data to the magnetic recording medium and writing a second set of outer code to the magnetic recording medium in connection with the write command.

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