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1.发明授权Determination of optimum threshold voltage to read data values in memory cells 有权确定最佳阈值电压以读取存储器单元中的数据值公开(公告)号：US09135109B2
公开(公告)日：2015-09-15
申请号：US13794716
申请日：2013-03-11
Applicant: Seagate Technology LLC
Inventor： Mai A. Ghaly , Bruce Douglas Emo
CPC classification number: G06F11/1008 , G01R31/3171 , G06F11/1048 , G11C7/14 , G11C16/3404 , G11C29/021 , G11C29/028
Abstract: An adaptive search scheme leads to threshold voltages that have lower bit error rates over initial values. An initial reference voltage is used and data is measured for set steps in voltage about the initial value sufficient to fit a polynomial curve. A minimum is used to determine the lowest bit error rate and corresponding optimum threshold voltage. This voltage is adopted as the new threshold voltage for reading the given data.
Abstract translation: 自适应搜索方案导致阈值电压与初始值相比具有较低的误码率。 使用初始参考电压，并且测量关于初始值的电压的设定步长的数据，以足以拟合多项式曲线。 最小值用于确定最低误码率和相应的最佳阈值电压。 该电压被用作读取给定数据的新阈值电压。
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公开(公告)号：US08947814B2
公开(公告)日：2015-02-03
申请号：US13861976
申请日：2013-04-12
Applicant: Seagate Technology LLC
Inventor： Bruce Douglas Emo
CPC classification number: G11B21/02 , G11B5/40 , G11B5/455 , G11B5/59622 , G11B5/6005 , G11B5/6029 , G11B5/6076 , G11B19/048
Abstract: A data storage system having a read channel configured to function in a normal operation mode and a test mode. In the normal operation mode, the read channel is configured to decode a readback signal to obtain data bits. In the test mode, the read channel is configured to extract gain control loop data and/or timing control loop data from the readback signal.
Abstract translation: 一种具有被配置为在正常操作模式和测试模式下起作用的读通道的数据存储系统。 在正常操作模式下，读通道被配置为解码回读信号以获得数据位。 在测试模式中，读取通道被配置为从回读信号中提取增益控制环路数据和/或定时控制环路数据。
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3.发明申请DETERMINATION OF OPTIMUM THRESHOLD VOLTAGE TO READ DATA VALUES IN MEMORY CELLS 有权确定最佳阈值电压以读取存储器单元中的数据值公开(公告)号：US20140258796A1
公开(公告)日：2014-09-11
申请号：US13794716
申请日：2013-03-11
Applicant: SEAGATE TECHNOLOGY LLC
Inventor： Mai A. Ghaly , Bruce Douglas Emo
IPC: H03M13/15
CPC classification number: G06F11/1008 , G01R31/3171 , G06F11/1048 , G11C7/14 , G11C16/3404 , G11C29/021 , G11C29/028
Abstract: An adaptive search scheme leads to threshold voltages that have lower bit error rates over initial values. An initial reference voltage is used and data is measured for set steps in voltage about the initial value sufficient to fit a polynomial curve. A minimum is used to determine the lowest bit error rate and corresponding optimum threshold voltage. This voltage is adopted as the new threshold voltage for reading the given data.
Abstract translation: 自适应搜索方案导致阈值电压与初始值相比具有较低的误码率。 使用初始参考电压，并且测量关于初始值的电压的设定步长的数据，以足以拟合多项式曲线。 最小值用于确定最低误码率和相应的最佳阈值电压。 该电压被用作读取给定数据的新阈值电压。
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公开(公告)号：US20130222937A1
公开(公告)日：2013-08-29
申请号：US13861976
申请日：2013-04-12
Applicant: Seagate Technology LLC
Inventor： Bruce Douglas Emo
IPC: G11B21/02
CPC classification number: G11B21/02 , G11B5/40 , G11B5/455 , G11B5/59622 , G11B5/6005 , G11B5/6029 , G11B5/6076 , G11B19/048
Abstract: A data storage system having a read channel configured to function in a normal operation mode and a test mode. In the normal operation mode, the read channel is configured to decode a readback signal to obtain data bits. In the test mode, the read channel is configured to extract gain control loop data and/or timing control loop data from the readback signal.
Abstract translation: 一种具有被配置为在正常操作模式和测试模式下起作用的读通道的数据存储系统。 在正常操作模式下，读通道被配置为解码回读信号以获得数据位。 在测试模式中，读取通道被配置为从回读信号中提取增益控制环路数据和/或定时控制环路数据。
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