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公开(公告)号：US09424870B2
公开(公告)日：2016-08-23
申请号：US14567873
申请日：2014-12-11
发明人： SangHyub Lee , JungWook Hur , YoChan Cho
CPC分类号： G11B5/59627 , G11B19/045 , G11B20/10009 , G11B20/12
摘要： Technologies are described herein for preventing adjacent track erasure in a storage device using position error signal compensation from a previously written track in a storage device. A first data track is written to a recording medium in the storage device while position error signal information regarding deviations of a read/write head from an ideal center of the first data track are recorded. The recorded position error signal information is then utilized during the writing of a second, adjacent data track to the recording medium to position the read/write head in order to compensate for non-uniformities in the writing of the first data track.
摘要翻译： 这里描述了用于防止存储设备中的相邻轨道擦除的技术，其使用来自存储设备中的先前写入的轨道的位置误差信号补偿。 第一数据轨道被写入存储装置中的记录介质，同时记录有关读/写磁头与第一数据磁道的理想中心的偏差的位置误差信号信息。 然后在将第二相邻数据磁道写入记录介质的位置误差信号信息被使用以定位读/写磁头，以便补偿第一数据磁道的写入中的不均匀性。
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公开(公告)号：US20160171996A1
公开(公告)日：2016-06-16
申请号：US14567873
申请日：2014-12-11
发明人： SangHyub Lee , JungWook Hur , YoChan Cho
IPC分类号： G11B5/596
CPC分类号： G11B5/59627 , G11B19/045 , G11B20/10009 , G11B20/12
摘要： Technologies are described herein for preventing adjacent track erasure in a storage device using position error signal compensation from a previously written track in a storage device. A first data track is written to a recording medium in the storage device while position error signal information regarding deviations of a read/write head from an ideal center of the first data track are recorded. The recorded position error signal information is then utilized during the writing of a second, adjacent data track to the recording medium to position the read/write head in order to compensate for non-uniformities in the writing of the first data track.
摘要翻译： 这里描述了用于防止存储设备中的相邻轨道擦除的技术，其使用来自存储设备中的先前写入的轨道的位置误差信号补偿。 第一数据轨道被写入存储装置中的记录介质，同时记录有关读/写磁头与第一数据磁道的理想中心的偏差的位置误差信号信息。 然后在将第二相邻数据磁道写入记录介质的位置误差信号信息被使用以定位读/写磁头，以便补偿第一数据磁道的写入中的不均匀性。
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公开(公告)号：US09030781B1
公开(公告)日：2015-05-12
申请号：US14530698
申请日：2014-11-01
发明人： YoChan Cho , HooSan Lee , JungWook Hur
CPC分类号： G11B5/3951 , G11B5/3106 , G11B5/40 , G11B5/455 , G11B19/041
摘要： Technologies are described herein for detecting an external magnetic field affecting a magnetic storage device through use of the read/write heads of the device. The magneto-resistive resistance (“MRR”) associated with a pair of read/write heads oriented to read and write opposite recording surfaces of the storage medium. If the change in the MRR associated with the first read/write head is in an inverse direction to the change in MRR associated with the second read/write head and the change in the MRR of either read/write head exceeds a threshold, then all operations of the storage device are halted and the read/write heads are parked.
摘要翻译： 这里描述了用于通过使用装置的读/写头来检测影响磁存储装置的外部磁场的技术。 与一对读取和写入存储介质的相反记录表面的一对读/写头相关联的磁阻电阻（“MRR”）。 如果与第一读/写头相关联的MRR的变化与与第二读/写头相关联的MRR的变化成反向，并且读/写头的MRR的变化超过阈值，则全部 停止存储设备的操作并且停止读/写头。
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公开(公告)号：US09070405B2
公开(公告)日：2015-06-30
申请号：US14041172
申请日：2013-09-30
发明人： JungWook Hur , TaeYoung Kim
CPC分类号： G11B20/10046
摘要： An implementation of a system disclosed herein provides a method of determining a frequency of baseline noise in a target or read sensor signal and rejecting a band of signals from the target or read sensor signal substantially around the frequency of the baseline noise, including devices to implement this method.
摘要翻译： 本文公开的系统的实现方式提供了一种确定目标或读取传感器信号中的基线噪声的频率的方法，并且基本上围绕基线噪声的频率拒绝来自目标或读取传感器信号的信号频带，包括实现的设备 这种方法。
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公开(公告)号：US20150092288A1
公开(公告)日：2015-04-02
申请号：US14041172
申请日：2013-09-30
发明人： JungWook Hur , TaeYoung Kim
IPC分类号： G11B20/10
CPC分类号： G11B20/10046
摘要： An implementation of a system disclosed herein provides a method of determining a frequency of baseline noise in a target or read sensor signal and rejecting a band of signals from the target or read sensor signal substantially around the frequency of the baseline noise, including devices to implement this method.
摘要翻译： 本文公开的系统的实现方式提供了一种确定目标或读取传感器信号中的基线噪声的频率的方法，并且基本上围绕基线噪声的频率拒绝来自目标或读取传感器信号的信号频带，包括实现的设备 这种方法。
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