公开(公告)号：US09305581B2

公开(公告)日：2016-04-05

申请号：US12328024

申请日：2008-12-04

申请人： Viswanath Annampedu ,  Terence Karanink ,  Xun Zhang ,  Jeffrey P. Grundvig

发明人： Viswanath Annampedu ,  Terence Karanink ,  Xun Zhang ,  Jeffrey P. Grundvig

IPC分类号： G11B5/596

CPC分类号： G11B5/59627

摘要： Various embodiments of the present invention provide systems and methods for low overhead disk wobble compensation. As an example, a method for performing synchronous wobble compensation processing is disclosed. The method includes providing a medium that includes a servo data region and a user data region. The servo data region includes a clock recovery pattern and a location pattern. A detectable pattern is written to the user data region a known number of bit periods from the location pattern. The detectable pattern is read back, and a fractional processing delay is calculated. Based at least on the fractional processing delay and a known number of bit periods from the location pattern to the end of the servo data region, a wobble compensation pattern is written an integral number of bit periods from the location pattern.

摘要翻译： 本发明的各种实施例提供了用于低架空磁盘摆动补偿的系统和方法。 作为示例，公开了一种用于执行同步摆动补偿处理的方法。 该方法包括提供包括伺服数据区和用户数据区的介质。 伺服数据区域包括时钟恢复模式和位置​​模式。 将可检测图案从位置图案写入用户数据区域已知数量的位周期。 读取可检测图案，并计算分数处理延迟。 至少基于分数处理延迟和从位置模式到伺服数据区域的结束的已知数量的位周期，摆动补偿模式从位置模式写入整数个位周期。

公开(公告)号：US20100142078A1

公开(公告)日：2010-06-10

申请号：US12328024

申请日：2008-12-04

申请人： Viswanath Annampedu ,  Terence Karanink ,  Xun Zhang ,  Jeffrey P. Grundvig

发明人： Viswanath Annampedu ,  Terence Karanink ,  Xun Zhang ,  Jeffrey P. Grundvig

IPC分类号： G11B5/09

CPC分类号： G11B5/59627

摘要： Various embodiments of the present invention provide systems and methods for low overhead disk wobble compensation. As an example, a method for performing synchronous wobble compensation processing is disclosed. The method includes providing a medium that includes a servo data region and a user data region. The servo data region includes a clock recovery pattern and a location pattern. A detectable pattern is written to the user data region a known number of bit periods from the location pattern. The detectable pattern is read back, and a fractional processing delay is calculated. Based at least on the fractional processing delay and a known number of bit periods from the location pattern to the end of the servo data region, a wobble compensation pattern is written an integral number of bit periods from the location pattern.

摘要翻译： 本发明的各种实施例提供了用于低架空磁盘摆动补偿的系统和方法。 作为示例，公开了一种用于执行同步摆动补偿处理的方法。 该方法包括提供包括伺服数据区和用户数据区的介质。 伺服数据区域包括时钟恢复模式和位置​​模式。 将可检测图案从位置图案写入用户数据区域已知数量的位周期。 读取可检测图案，并计算分数处理延迟。 至少基于分数处理延迟和从位置模式到伺服数据区域的结束的已知数量的位周期，摆动补偿模式从位置模式写入整数个位周期。