公开(公告)号：US07158337B2

公开(公告)日：2007-01-02

申请号：US11245644

申请日：2005-10-07

申请人： Tung Nguyen ,  Sang Hoon Chu ,  Jun Seok Shim ,  Kang Seok Lee ,  Soo Il Choi ,  Seong Hwan Yu

发明人： Tung Nguyen ,  Sang Hoon Chu ,  Jun Seok Shim ,  Kang Seok Lee ,  Soo Il Choi ,  Seong Hwan Yu

IPC分类号： G11B5/596

CPC分类号： G11B5/59644 ,  G11B5/5556

摘要： The present invention is a method and apparatus for positioning a read/write head in a hard disk drive. The method comprises providing a disk having a at least one side with a plurality of tracks, where each of the tracks has a servo field with servo bits. The servo bits are read to provide a position signal for positioning a read/write head. The method determines a difference in position between an initial and a subsequent position of the read/write head on a track, where the subsequent location occurs after the read/write head has moved one revolution from the initial position on the track. The initial and subsequent positions are offset laterally. The method generates a compensation signal based on the initial position, the subsequent position and the difference. The position signal and the compensation signal are combined to provide a compensated position signal for positioning the read/write head. Various embodiments are described.

摘要翻译： 本发明是用于将读/写头定位在硬盘驱动器中的方法和装置。 该方法包括提供具有多个轨道的至少一个侧面的盘，其中每个轨道具有带伺服位的伺服场。 读取伺服位以提供用于定位读/写头的位置信号。 该方法确定读/写头在轨道上的初始位置和后续位置之间的位置差异，其中随后的位置在读/写头已经从轨道上的初始位置移动一圈之后发生。 初始位置和后续位置横向偏移。 该方法基于初始位置，后续位置和差异产生补偿信号。 位置信号和补偿信号被组合以提供用于定位读/写头的补偿位置信号。 描述各种实施例。

公开(公告)号：US06982849B2

公开(公告)日：2006-01-03

申请号：US09952684

申请日：2001-09-13

申请人： Tung Nguyen ,  Sang Hoon Chu ,  Jun Seok Shim ,  Kang Seok Lee ,  Soo Il Choi ,  Seong Hwan Yu

发明人： Tung Nguyen ,  Sang Hoon Chu ,  Jun Seok Shim ,  Kang Seok Lee ,  Soo Il Choi ,  Seong Hwan Yu

IPC分类号： G11B5/596

CPC分类号： G11B5/59633 ,  G11B5/59688 ,  G11B27/3027

摘要： The present invention is a method and apparatus for positioning a read/write head in a hard disk drive. The method comprises providing a disk having a at least one side with a plurality of tracks, where each of the tracks has a servo field with servo bits. The servo bits are read to provide a position signal for positioning a read/write head. The method determines a difference in position between an initial and a subsequent position of the read/write head on a track, where the subsequent location occurs after the read/write head has moved one revolution from the initial position on the track. The initial and subsequent positions are offset laterally. The method generates a compensation signal based on the initial position, the subsequent position and the difference. The position signal and the compensation signal are combined to provide a compensated position signal for positioning the read/write head. Various embodiments are described.

公开(公告)号：US06724553B2

公开(公告)日：2004-04-20

申请号：US10037783

申请日：2001-10-22

申请人： Jong Yun Yun ,  Kang Seok Lee ,  Sang Hoon Chu ,  Gyu Tack Kim

发明人： Jong Yun Yun ,  Kang Seok Lee ,  Sang Hoon Chu ,  Gyu Tack Kim

IPC分类号： G11B509

CPC分类号： G11B5/4886 ,  G11B5/012 ,  G11B5/59627 ,  G11B5/59683 ,  G11B27/3027 ,  G11B2005/0016 ,  G11B2220/20

摘要： A method for writing and reading data in a hard disk drive and compensating for an offset between a write element and a read element of a head. The method determines an offset time by determining the difference between a desired sync byte position and an actual sync byte position located between a preamble and a data sector of the disk. The difference corresponds to the offset between the read and write elements. The offset time is subtracted from the normal time for enabling the read gate of a disk drive pre-amplifier.

摘要翻译： 一种用于在硬盘驱动器中写入和读取数据并补偿写入元件和头部的读取元件之间的偏移的方法。 该方法通过确定期望的同步字节位置和位于盘的前同步码和数据扇区之间的实际同步字节位置之间的差异来确定偏移时间。 差异对应于读取和写入元素之间的偏移。 从启用磁盘驱动器前置放大器的读取门的正常时间减去偏移时间。

公开(公告)号：US06958875B2

公开(公告)日：2005-10-25

申请号：US10376082

申请日：2003-02-27

申请人： Jong Yun Yun ,  Yeong Kyun Lee ,  Kang Seok Lee ,  Ho In Sou

发明人： Jong Yun Yun ,  Yeong Kyun Lee ,  Kang Seok Lee ,  Ho In Sou

IPC分类号： G11B5/03 ,  G11B5/55 ,  G11B19/04 ,  G11B20/10 ,  G11B21/08 ,  G11B27/36 ,  G11B33/14

CPC分类号： G11B20/10481 ,  G11B5/03 ,  G11B5/5534 ,  G11B19/04 ,  G11B20/10009 ,  G11B21/083 ,  G11B27/36 ,  G11B33/144 ,  G11B2220/20

摘要： A self-vaccine as used herein will refer to methods of operating a disk drive and the apparatus implementing such methods, which make the disk drive immune to changes in temperature, that keep the disk drive healthy when hot or cold. The invention includes a self-vaccine extending the read channel optimization parameter database of a track zone or sequence to test temperature ranges actually found in the user's operation of the disk drive. The invention also includes the self-vaccine updating the read channel optimization parameter database for an already tested temperature range, whenever there has been sufficient time passed since the read channel optimization was performed for that temperature range. The invention includes read channel optimized parameters for at least temperature ranges within the embedded disk controller, which are updated in the user's operating environment during idle time providing the self-vaccine. The invention includes disk drives including a self-vaccine method.

摘要翻译： 本文所用的自体疫苗将指操作磁盘驱动器的方法和实施这种方法的装置，这使得磁盘驱动器免受温度变化，从而在热或冷时保持磁盘驱动器的健康。 本发明包括扩展轨道区域或序列的读取通道优化参数数据库的自疫苗，以测试在盘驱动器的用户操作中实际发现的温度范围。 本发明还包括对于已经测试的温度范围的读通道优化参数数据库的自疫苗，每当从该温度范围执行读取通道优化已经有足够的时间过去时。 本发明包括用于嵌入式盘控制器内的至少温度范围的读通道优化参数，其在提供自疫苗的空闲时间期间在用户的操作环境中被更新。 本发明包括包括自身疫苗方法的磁盘驱动器。

公开(公告)号：US20090059414A1

公开(公告)日：2009-03-05

申请号：US11899496

申请日：2007-09-05

申请人： Kang Seok Lee ,  Brian D. Strom

发明人： Kang Seok Lee ,  Brian D. Strom

IPC分类号： G11B21/02

CPC分类号： G11B19/28 ,  G11B19/00 ,  G11B21/12 ,  G11B21/22

摘要： A hard disk drive with a head, and a disk that is rotated by a spindle motor. The drive includes a controller that operates in a low-speed idle mode where the spindle motor speed is reduced and the head is moved to a contact start-stop zone of the disk. Reducing the speed of the spindle motor, instead of spinning down the disk allows the disk drive to rapidly resume normal operation. Parking the head at a certain area of the disk, instead of a position off disk, allows the drive to more readily re-establish a mode where data can be retrieved or stored.

摘要翻译： 带头的硬盘驱动器和由主轴电机旋转的盘。 该驱动器包括一个控制器，该控制器在主轴电机速度降低并且磁头移动到磁盘的触点启动 - 停止区域的低速空闲模式下运行。 降低主轴电机的速度，而不是旋转磁盘允许磁盘驱动器快速恢复正常运行。 将磁头停放在磁盘的某个区域，而不是磁盘上的位置，使驱动器更容易地重新建立可以检索或存储数据的模式。