公开(公告)号：US06937423B1

公开(公告)日：2005-08-30

申请号：US10773526

申请日：2004-02-06

申请人： Lan V. Ngo ,  Raffi Codilian

发明人： Lan V. Ngo ,  Raffi Codilian

IPC分类号： G11B5/55 ,  G11B5/596 ,  G11B33/08

CPC分类号： G11B5/5582 ,  G11B5/59694 ,  G11B33/08

摘要： A method of reducing rotational vibration effects in a disk drive by sensing vibration in a sensor and generating corresponding sensor data; deriving a statistical sensor (SS) value based on the sensor data; deriving a statistical position error signal (SPES) value from servo sectors read by the head; comparing the SS value to a SS-threshold value; comparing SPES value to a SPES-threshold value; and generating a feed-forward command effort signal for reducing rotational vibration effects if the SS value exceeds the SS-threshold value and if SPES value exceeds the SPES-threshold value.

摘要翻译： 通过感测传感器中的振动并产生相应的传感器数据来减少磁盘驱动器中的旋转振动效应的方法; 基于传感器数据得出统计传感器（SS）值; 从头部读取的伺服扇区得到统计位置误差信号（SPES）值; 将SS值与SS阈值进行比较; 将SPES值与SPES阈值进行比较; 并且如果SS值超过SS阈值并且SPES值超过SPES阈值，则产生用于减少旋转振动效应的前馈命令努力信号。

公开(公告)号：US06892249B1

公开(公告)日：2005-05-10

申请号：US10138070

申请日：2002-05-02

申请人： Raffi Codilian ,  Jonathan L. Hanmann

发明人： Raffi Codilian ,  Jonathan L. Hanmann

IPC分类号： G06F3/033 ,  G06F3/048 ,  G11B20/18 ,  G06F3/00 ,  G06F12/00 ,  H04N5/91

CPC分类号： G06F3/04847 ,  G11B20/18

摘要： A computer program embodied on a computer readable storage medium is disclosed for dependently adjusting at least three operating levels of a disk drive by dependently adjusting a plurality of disk drive parameters. The computer program receives control input from one or more sources, such as an end user, an environmental sensor, or the disk drive, wherein the control input for adjusting at least three operating levels of the disk drive in a dependent manner. In response to the control input, the computer program adjusts a plurality of parameter settings in the disk drive in a dependent manner. In one embodiment, the operating levels dependently adjusted by the control input comprise a performance level, a capacity level and a robustness level.

摘要翻译： 公开了一种体现在计算机可读存储介质上的计算机程序，用于通过依赖性地调整多个磁盘驱动器参数来依赖性地调整磁盘驱动器的至少三个操作级别。 计算机程序接收来自一个或多个源（例如最终用户，环境传感器或磁盘驱动器）的控制输入，其中用于以依赖方式调整磁盘驱动器的至少三个操作级别的控制输入。 响应于控制输入，计算机程序以依赖的方式调整磁盘驱动器中的多个参数设置。 在一个实施例中，由控制输入依赖性地调整的操作级别包括性能级别，容量级别和鲁棒性级别。

公开(公告)号：US06865049B1

公开(公告)日：2005-03-08

申请号：US10184738

申请日：2002-06-28

申请人： Raffi Codilian ,  Timothy A. Ferris

发明人： Raffi Codilian ,  Timothy A. Ferris

IPC分类号： G11B19/00 ,  G11B19/22

CPC分类号： G11B19/00

摘要： Methods and devices for converting the kinetic energy of the rotating spindle motor of a disk drive of a rechargeable battery operated mobile host device into electrical energy during braking of the rotating spindle motor. The converted electrical energy is conditioned and used to charge the rechargeable battery of the mobile host device.

摘要翻译： 用于将可充电电池操作的移动主机装置的磁盘驱动器的旋转主轴电动机的动能转换为旋转主轴电机制动期间的电能的方法和装置。 经转换的电能被调节并用于为移动主机设备的可再充电电池充电。

公开(公告)号：US06862176B1

公开(公告)日：2005-03-01

申请号：US10608874

申请日：2003-06-27

申请人： Raffi Codilian ,  Dalwinder Singh

发明人： Raffi Codilian ,  Dalwinder Singh

IPC分类号： G11B33/02 ,  G11B33/14 ,  G06F1/16

CPC分类号： G11B33/148 ,  G11B33/022 ,  G11B33/142

摘要： Disclosed is a disk drive cover that provides improved disk shrouding and heat dissipation. Part of the cover is recessed relative to the rest and may be substantially circular. The recessed portion may be located approximately adjacent to at least one disk and may be substantially coextensive with at least one disk. Further, the internal side of the recessed portion may be at a vertical depth sufficient enough to shroud at least one disk. Additionally, the recessed portion may further include at least a member that projects from the external side of the recessed portion, such as approximately arcuate-shaped members or approximately rectangular-shaped members, to aid in heat dissipation.

摘要翻译： 公开了一种磁盘驱动器盖，其提供改进的盘覆盖和散热。 盖的一部分相对于其余部分凹进，并且可以是基本上圆形的。 凹部可以位于与至少一个盘大致相邻的位置，并且可以与至少一个盘基本上共同延伸。 此外，凹部的内侧可以具有足以覆盖至少一个盘的垂直深度。 此外，凹部还可以包括从凹部的外侧突出的构件，例如大致圆弧状的构件或大致矩形的构件，以有助于散热。

公开(公告)号：US06798592B1

公开(公告)日：2004-09-28

申请号：US09945563

申请日：2001-08-31

申请人： Raffi Codilian ,  Joseph M. Viglione

发明人： Raffi Codilian ,  Joseph M. Viglione

IPC分类号： G11B509

CPC分类号： G11B5/5582 ,  G11B5/59627

摘要： A method and an apparatus for reducing position error signal in a disk drive, which has an actuator and a magnetic medium, write the servo tracks with a servo track writer using a varying increment. The servo tracks are written after the servo track writer incrementally moves the actuator by a non-constant amount. The non-constant incrementing enables a servo track writing operation to write servo tracks that are at least as wide near the outer circumference as they are near the zero skew position or near the inner circumference.

摘要翻译： 用于减小具有致动器和磁介质的磁盘驱动器中的位置误差信号的方法和装置使用变化的增量用伺服磁道写入器写入伺服磁道。 伺服磁道写入器将执行机构递增地移动非恒定量后，写入伺服磁道。 非恒定增量使得伺服轨迹写入操作能够在外圆周附近写入至少与靠近零倾斜位置或靠近内圆周附近一样宽的伺服轨迹。

公开(公告)号：US06791791B1

公开(公告)日：2004-09-14

申请号：US10010673

申请日：2001-11-30

申请人： Steven J. Alfred ,  Raffi Codilian ,  Serge Hauert ,  Lin Yang

发明人： Steven J. Alfred ,  Raffi Codilian ,  Serge Hauert ,  Lin Yang

IPC分类号： G11B1708

CPC分类号： G11B17/022 ,  G11B17/038

摘要： An aspect of the invention can be regarded as a disk drive that includes a disk drive base and a spindle motor hub rotatably coupled to the disk drive base. The disk drive further includes a first disk disposed about the spindle motor hub and having a first disk stiffness. The disk drive further includes a second disk disposed about the spindle motor hub and having a second disk stiffness different than the first disk stiffness. According to another aspect of the present invention, the second disk has a second disk thickness different than a first disk thickness. According to another aspect of the present invention, the second disk is formed of a second material having a second material stiffness different than a first material stiffness.

摘要翻译： 本发明的一个方面可以被认为是包括盘驱动器基座和可旋转地联接到盘驱动器基座的主轴马达毂的盘驱动器。 磁盘驱动器还包括围绕主轴电动机毂布置并具有第一盘刚度的第一盘。 磁盘驱动器还包括围绕主轴电动机毂布置的第二盘，并具有与第一盘刚度不同的第二盘刚度。 根据本发明的另一方面，第二盘具有不同于第一盘厚度的第二盘厚度。 根据本发明的另一方面，第二盘由具有不同于第一材料刚度的第二材料刚度的第二材料形成。

公开(公告)号：US06760186B1

公开(公告)日：2004-07-06

申请号：US09728551

申请日：2000-11-30

申请人： Raffi Codilian ,  Jim G. Saunders

发明人： Raffi Codilian ,  Jim G. Saunders

IPC分类号： G11B5596

CPC分类号： G11B5/59655

摘要： A disk drive having a marker for identifying the transition between the first and last written servo wedges on a servo track. The marker indicates the likely position where closure error may occur during the operation of the hard disk drive. The marker is used by the control system of a hard disk drive to provide appropriate position control signals to the transducer assembly to maintain the proper positioning of the transducer about the disk surface. A method for forming the marker on a disk surface is further disclosed.

摘要翻译： 一种具有用于识别在伺服磁道上的第一和最后写入的伺服楔之间的转变的标记的磁盘驱动器。 标记表示在硬盘驱动器的操作期间可能发生闭合错误的可能位置。 该标记由硬盘驱动器的控制系统使用以向换能器组件提供适当的位置控制信号，以保持换能器围绕盘表面的适当定位。 进一步公开了一种在盘表面上形成标记的方法。

公开(公告)号：US06735033B1

公开(公告)日：2004-05-11

申请号：US10015147

申请日：2001-12-10

申请人： Raffi Codilian ,  Michael S. Rothberg

发明人： Raffi Codilian ,  Michael S. Rothberg

IPC分类号： G11B1504

CPC分类号： G11B5/596 ,  G11B5/5582

摘要： The invention relates to a method for recovering from shock event to a disk drive. Embedded servo wedges are read to generate position error signal (PES) values. The disk drive is transitioned to a write unsafe state if a PES value is greater than a write unsafe (WUS) threshold and is less than a shock detection threshold. The disk drive is transitioned to a shock recovery state if a PES value is greater than the shock detection threshold. The disk drive is transitioned from the shock recovery state to the write unsafe state if a first number of consecutively generated PES values remain less than the WUS threshold. The disk drive is transitioned from the write unsafe state to the on-track state if a second number of consecutively generated PES values remain less than the arrival threshold, which threshold is less than the WUS threshold.

摘要翻译： 本发明涉及从休克事件恢复到磁盘驱动器的方法。 读取嵌入式伺服楔以产生位置误差信号（PES）值。 如果PES值大于写入不安全（WUS）阈值且小于冲击检测阈值，则磁盘驱动器转换到写入不安全状态。 如果PES值大于冲击检测阈值，则磁盘驱动器转换到休克恢复状态。 如果连续生成的PES值的第一数目保持小于WUS阈值，则磁盘驱动器从冲击恢复状态转换到写不安全状态。 如果第二数量的连续生成的PES值保持小于到达阈值，该阈值小于WUS阈值，则磁盘驱动器从写入不安全状态转换到在轨状态。

公开(公告)号：US06707635B1

公开(公告)日：2004-03-16

申请号：US09684561

申请日：2000-10-05

申请人： Raffi Codilian ,  Donald R. Turner

发明人： Raffi Codilian ,  Donald R. Turner

IPC分类号： G11B5596

CPC分类号： G11B5/59627

摘要： The present invention may be embodied in a method, and related apparatus, for determining a repeatable runout (RRO) compensation value sets for a plurality of tracks on a disk in a disk drive, wherein the disk drive is initially manufactured and then shipped for installation in a host system. Each track comprises a plurality of embedded servo sectors that define a circumferential path that may have RRO requiring compensation during track following. The method comprises determining first RRO value sets for a first portion of the tracks to a first desired learning level by measuring the RRO for the first portion tracks based on a first predetermined number of disk rotations during the initial manufacturing of the disk drive. The first portion tracks are not adjacent to each other. Then, after the disk drive is shipped for installation in the host system, RRO value sets are determined for a second portion of tracks to a second desired learning level by measuring the RRO for the second portion tracks based on at least a second predetermined number of disk rotations. The learning technique of the invention allows the disk drive to be shipped for installation in a host system with a portion of its tracks having little or no RRO compensation. After shipment, the disk drive may continue to improve the RRO compensation until all of the tracks have been optimally compensated. Thus, the learning technique allows maintained manufacturing throughput without unnecessarily increasing manufacturing costs for high data storage capacity disk drives.

摘要翻译： 本发明可以体现在用于确定磁盘驱动器中的盘上的多个轨道的可重复跳动（RRO）补偿值集合的方法和相关装置中，其中磁盘驱动器最初被制造并且然后运送以进行安装 在主机系统中。 每个轨道包括多个嵌入式伺服扇区，所述多个嵌入式伺服扇区限定了在轨道追踪期间可能需要补偿的RRO的圆周路径 该方法包括通过基于磁盘驱动器的初始制造期间的第一预定数量的盘旋转来测量第一部分轨迹的RRO，来确定轨道的第一部分的第一RRO值集合到第一期望学习水平。 第一部分轨道彼此不相邻。 然后，在磁盘驱动器被运送以安装在主机系统中之后，通过基于至少第二预定数量的第二部分磁道测量第二部分磁道的RRO，将轨道的第二部分确定为第二期望学习电平的RRO值集合 磁盘旋转。 本发明的学习技术允许磁盘驱动器运输以安装在主机系统中，其一部分磁道具有很少或没有RRO补偿。 装运后，磁盘驱动器可以继续改善RRO补偿，直到所有轨道都被最佳地补偿。 因此，学习技术允许维持制造量，而不会不必要地增加高数据存储容量盘驱动器的制造成本。

公开(公告)号：US06628473B1

公开(公告)日：2003-09-30

申请号：US09872237

申请日：2001-05-31

申请人： Raffi Codilian ,  Thomas D. Hanan ,  Anil Sareen

发明人： Raffi Codilian ,  Thomas D. Hanan ,  Anil Sareen

IPC分类号： G11B5012

CPC分类号： G11B5/012 ,  G11B5/553 ,  G11B19/04

摘要： The invention may be embodied in a disk drive for use in a mobile device. The mobile device may be a hand held computing device such as a personal digital assistant (PDA) or a mobile terminal such as a cellular telephone. The mobile device includes a host processor for accessing data on the disk drive. The disk drive has a rotating disk media surface and a moveable read/write head disposed over the media surface. The disk drive includes a first data storage zone on the disk media surface for storing data on first data tracks using a first track pitch, and a second data storage zone on the common disk media surface for storing data on second data tracks using a second data track pitch. The first data track pitch is substantially wider than the second data track pitch.

摘要翻译： 本发明可以体现在用于移动设备的磁盘驱动器中。 移动设备可以是手持计算设备，例如个人数字助理（PDA）或诸如蜂窝电话的移动终端。 移动设备包括用于访问磁盘驱动器上的数据的主机处理器。 磁盘驱动器具有旋转盘介质表面和设置在介质表面上的可移动读/写头。 磁盘驱动器包括在磁盘介质表面上的第一数据存储区，用于使用第一磁道间距存储第一数据磁道上的数据;以及在公共磁盘介质表面上的第二数据存储区，用于使用第二数据存储第二数据磁道上的数据 轨道。 第一数据磁道间距基本上比第二数据磁道间距宽。