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11. 发明申请

US20080284074A1 Shock Absorber Capable of Damping Vibration 有权
标题翻译：减振器能够进行阻尼振动
公开(公告)号：US20080284074A1
公开(公告)日：2008-11-20
申请号：US11749850
申请日：2007-05-17
申请人： JuiJing Lim , Chenyang Ding , Xiong Liu , MingZhong Ding , KianKeong Ooi , ChoonKiat Lim
发明人： JuiJing Lim , Chenyang Ding , Xiong Liu , MingZhong Ding , KianKeong Ooi , ChoonKiat Lim
IPC分类号： F16F7/00 , H05K7/00
CPC分类号： G11B33/08
摘要： A shock absorber is provided that also includes vibration damping. The shock absorber includes at least one shock absorbing frame member that partially surrounds an electronic device enclosure. The shock absorber also includes at least two protrusions that protrude from the at least one shock absorbing frame member. Each protrusion extends beyond the at least one shock absorbing frame member from a recessed surface recessed into the at least one shock absorbing frame member.
摘要翻译：还提供一种减震器，还包括减震。减震器包括部分地围绕电子设备外壳的至少一个减震框架构件。减震器还包括从至少一个减震框架构件突出的至少两个突起。每个突起从凹入到所述至少一个减震框架构件的凹入表面延伸超过所述至少一个减震框架构件。

12. 发明授权

US07349174B2 Soft sensor for operating shock in a disc drive 失效
标题翻译：用于在磁盘驱动器中操作冲击的软传感器
公开(公告)号：US07349174B2
公开(公告)日：2008-03-25
申请号：US10143137
申请日：2002-05-09
申请人： Qiang Bi , Xiong Liu , LeeLing Tan , Wen-Jun Cao , ChoonKiat Lim
发明人： Qiang Bi , Xiong Liu , LeeLing Tan , Wen-Jun Cao , ChoonKiat Lim
IPC分类号： G11B5/596
CPC分类号： G11B27/36 , G11B19/04 , G11B2220/20
摘要： A method of preventing a write operation to a disc in a disc drive during a shock event without the use of a separate shock sensor comprises steps of monitoring an actuator voice coil motor (VCM) control plant output signal, generating an actuator voice coil motor (VCM) plant model module output signal, comparing the VCM plant model module output signal to the VCM control plant module output signal to produce a difference signal, and triggering a write protect gate if the difference signal exceeds a predetermined threshold value. The system comprises a voice coil motor (VCM) control plant module sensitive to a shock event providing a VCM control plant module output, a voice coil motor (VCM) plant model module initially insensitive to the shock event producing a VCM plant model module output, a first comparator module coupled to receive the VCM control plant module output and the VCM plant model module output, operable to generate a difference signal between the model plant module output and the VCM control plant module output, and a triggering module receiving the difference signal for generating a write protect gate signal if the difference signal exceeds a predetermined shock threshold.
摘要翻译：一种在不使用单独的冲击传感器的情况下防止在磁盘驱动器中对盘的写入操作的方法包括以下步骤：监视致动器音圈电机（VCM）控制电路输出信号，产生致动器音圈电机 VCM）工厂模块模块输出信号，将VCM工厂模块模块输出信号与VCM控制站模块输出信号进行比较，产生差分信号，如果差分信号超过预定阈值则触发写保护门。该系统包括对提供VCM控制工厂模块输出的冲击事件敏感的音圈电机（VCM）控制工厂模块，对产生VCM工厂模块模块输出的冲击事件最初不敏感的音圈电机（VCM）工厂模型模块，第一比较器模块，其耦合以接收VCM控制工厂模块输出和VCM工厂模块模块输出，可操作以在模型工厂模块输出和VCM控制工厂模块输出之间产生差分信号;以及触发模块，其接收差分信号如果差分信号超过预定的冲击阈值，则产生写保护门信号。

13. 发明申请

US20050185319A1 System and method for reducing ZAP time and track squeeze in a data storage device 有权
标题翻译：用于减少ZAP时间并跟踪数据存储设备中的挤压的系统和方法
公开(公告)号：US20050185319A1
公开(公告)日：2005-08-25
申请号：US10785628
申请日：2004-02-24
申请人： Xiong Liu , Qiang Bi , TzeMing Pang , ChoonKiat Lim
发明人： Xiong Liu , Qiang Bi , TzeMing Pang , ChoonKiat Lim
IPC分类号： G11B5/596
CPC分类号： G11B5/59605 , G11B19/045
摘要： A method and apparatus for compensating for errors in servo systems. An improved zero acceleration path (ZAP) correction technique is provided, wherein selected tracks of a data storage device are used for ZAP processing in order to reduce the overall time required to perform error compensation for a storage device. For a given selected track to be ZAPed, track profiles of adjoining tracks are used in addition to the track profile of the selected track as part of the ZAP correction determination for the selected track. Using adjacent track profiles as part of the ZAP correction determination assists in mitigating AC track squeeze issues that would otherwise occur when performing selective track ZAPing.
摘要翻译：一种补偿伺服系统误差的方法和装置。提供了一种改进的零加速路径（ZAP）校正技术，其中数据存储设备的选定轨道用于ZAP处理，以便减少对存储设备进行错误补偿所需的总体时间。对于给定的所选轨道要ZAPed，除了所选轨道的轨道轮廓之外，还使用相邻轨道的轨道轮廓，作为所选轨道的ZAP校正确定的一部分。使用相邻轨道配置文件作为ZAP校正确定的一部分有助于减轻执行选择性跟踪ZAPing时会发生的AC轨道挤压问题。

14. 发明授权

US06829115B2 Method and apparatus for measuring half frequency whirl in a spindle motor 有权
标题翻译：测量主轴电机半频旋转的方法和装置
公开(公告)号：US06829115B2
公开(公告)日：2004-12-07
申请号：US10171133
申请日：2002-06-13
申请人： Xiong Liu , ChoonKiat Lim , YongJie Tang , Pow-Hing Yong
发明人： Xiong Liu , ChoonKiat Lim , YongJie Tang , Pow-Hing Yong
IPC分类号： G11B2736
CPC分类号： G11B5/59627 , G11B7/0953 , G11B19/20 , G11B21/106 , G11B33/08
摘要： An apparatus and method of indirectly measuring half frequency whirl in a spindle motor having a rotor adapted to rotate a disc having a track which is followed by a transducer head that is actuated by a control system is provided. Vibration signals produced at the transducer head while the transducer head follows the track are detected. The half frequency whirl is determined as a function of the detected vibration signals.
摘要翻译：提供了一种间接测量具有转子的主轴电动机中的半频旋转的装置和方法，所述转子适于旋转具有由控制系统致动的传感器头跟随的轨道的盘。检测在换能器头跟随轨道时在换能器头处产生的振动信号。根据检测到的振动信号确定半频旋转。

15. 发明授权

US06687094B2 Head actuator for a data storage head having a low mass with lateral stiffness 失效
标题翻译：具有低质量和横向刚度的数据存储头的头致动器
公开(公告)号：US06687094B2
公开(公告)日：2004-02-03
申请号：US09897702
申请日：2001-06-29
申请人： Xiong Liu , Shri Hari Narayan , Michael Joo Chiang Toh , Choonkiat Lim , ChorShan Cheng
发明人： Xiong Liu , Shri Hari Narayan , Michael Joo Chiang Toh , Choonkiat Lim , ChorShan Cheng
IPC分类号： G11B555
CPC分类号： G11B5/4826 , G11B5/5565
摘要： An actuator having a relatively low mass for supporting flexible head suspension assemblies to read data from or write data to discs. The actuator includes an actuator body adapted to rotationally coupled to a base chassis of the disc drive and a yoke assembly including yoke arms extending from the actuator body. The actuator includes at least one rigid actuator arm rigidly supporting the flexible head suspension assemblies. The rigid actuator arm includes multiple arm plates supported in spaced relation to provide a thickness of the actuator arm for lateral stiffness.
摘要翻译：具有相对低质量的致动器，用于支撑柔性头悬挂组件以从盘读取数据或向盘写数据。致动器包括适于旋转地联接到盘驱动器的底架的致动器主体和包括从致动器主体延伸的轭臂的轭组件。致动器包括刚性地支撑柔性头悬挂组件的至少一个刚性致动器臂。刚性致动器臂包括以间隔开的方式支撑的多个臂板，以提供用于横向刚度的致动器臂的厚度。

16. 发明授权

US08702073B2 Shock absorber capable of damping vibration 有权
标题翻译：减振器能够减震
公开(公告)号：US08702073B2
公开(公告)日：2014-04-22
申请号：US11749850
申请日：2007-05-17
申请人： JuiJing Lim , Chenyang Ding , Xiong Liu , MingZhong Ding , KianKeong Ooi , ChoonKiat Lim
发明人： JuiJing Lim , Chenyang Ding , Xiong Liu , MingZhong Ding , KianKeong Ooi , ChoonKiat Lim
IPC分类号： F16M1/00 , F16M13/00
CPC分类号： G11B33/08
摘要： A shock absorber is provided that also includes vibration damping. The shock absorber includes at least one shock absorbing frame member that partially surrounds an electronic device enclosure. The shock absorber also includes at least two protrusions that protrude from the at least one shock absorbing frame member. Each protrusion extends beyond the at least one shock absorbing frame member from a recessed surface recessed into the at least one shock absorbing frame member.
摘要翻译：还提供一种减震器，还包括减震。减震器包括部分地围绕电子设备外壳的至少一个减震框架构件。减震器还包括从至少一个减震框架构件突出的至少两个突起。每个突起从凹入到所述至少一个减震框架构件的凹入表面延伸超过所述至少一个减震框架构件。

17. 发明授权

US07457075B2 System and method for reducing ZAP time and track squeeze in a data storage device 有权
标题翻译：用于减少ZAP时间并跟踪数据存储设备中的挤压的系统和方法
公开(公告)号：US07457075B2
公开(公告)日：2008-11-25
申请号：US10785628
申请日：2004-02-24
申请人： Xiong Liu , Qiang Bi , TzeMing Jimmy Pang , ChoonKiat Lim
发明人： Xiong Liu , Qiang Bi , TzeMing Jimmy Pang , ChoonKiat Lim
IPC分类号： G11B5/596
CPC分类号： G11B5/59605 , G11B19/045
摘要： A method and apparatus for compensating for errors in servo systems. An improved zero acceleration path (ZAP) correction technique is provided, wherein selected tracks of a data storage device are used for ZAP processing in order to reduce the overall time required to perform error compensation for a storage device. For a given selected track to be ZAPed, track profiles of adjoining tracks are used in addition to the track profile of the selected track as part of the ZAP correction determination for the selected track. Using adjacent track profiles as part of the ZAP correction determination assists in mitigating AC track squeeze issues that would otherwise occur when performing selective track ZAPing.
摘要翻译：一种补偿伺服系统误差的方法和装置。提供了一种改进的零加速路径（ZAP）校正技术，其中数据存储设备的选定轨道用于ZAP处理，以便减少对存储设备进行错误补偿所需的总体时间。对于给定的所选轨道要ZAPed，除了所选轨道的轨道轮廓之外，还使用相邻轨道的轨道轮廓，作为所选轨道的ZAP校正确定的一部分。使用相邻轨道配置文件作为ZAP校正确定的一部分有助于减轻执行选择性跟踪ZAPing时会发生的AC轨道挤压问题。

18. 发明申请

US20070257410A1 External shock absorber 审中-公开
标题翻译：外部减震器
公开(公告)号：US20070257410A1
公开(公告)日：2007-11-08
申请号：US11418444
申请日：2006-05-04
申请人： Michael Toh , Jui Lim , ChoonKiat Lim , Xiong Liu
发明人： Michael Toh , Jui Lim , ChoonKiat Lim , Xiong Liu
IPC分类号： F16F1/36
CPC分类号： F16F1/3605
摘要： Embodiments of the invention are directed to an external shock absorber for an electronic device such as a disc drive. The external shock absorber is made from an elastomeric material with an arrangement of foam-like internal and external cavities. The external shock absorber may be placed adjacent to a housing of an electronic device to provide shock absorption, may cover a portion of the electronic device housing, or may be shaped to cover a portion of the electronic device housing.
摘要翻译：本发明的实施例涉及一种用于诸如盘驱动器的电子设备的外部减震器。外部减震器由具有泡沫状内部和外部空腔的布置的弹性体材料制成。外部减震器可以邻近电子设备的壳体放置以提供减震，可以覆盖电子设备壳体的一部分，或者可以被成形为覆盖电子设备壳体的一部分。

19. 发明申请

US20050125194A1 Method of determining the mass unbalance of an actuator 失效
标题翻译：确定执行器质量不平衡的方法
公开(公告)号：US20050125194A1
公开(公告)日：2005-06-09
申请号：US10731806
申请日：2003-12-09
申请人： Xiong Liu , ChoonKiat Lim , Kong Thia , Pow-Hing Yong
发明人： Xiong Liu , ChoonKiat Lim , Kong Thia , Pow-Hing Yong
IPC分类号： G06F15/00 , G11B5/48 , G11B5/55 , G11B25/04 , G11B25/08
CPC分类号： G11B5/5521 , G11B5/4806 , G11B25/043
摘要： The present invention is a method of determining mass unbalance of an actuator mechanism in a system. The method includes calculating a center of gravity in first x and y components with respect to a first coordinate system of the actuator mechanism. The method also includes calculating the center of gravity in second x and y components with respect to a second coordinate system of the actuator mechanism. The total mass unbalance of the actuator mechanism is then calculated.
摘要翻译：本发明是确定系统中致动器机构的质量不平衡的方法。该方法包括相对于致动器机构的第一坐标系来计算第一x和y分量中的重心。该方法还包括相对于致动器机构的第二坐标系计算第二x和y分量中的重心。然后计算执行器机构的总质量不平衡。

20. 发明授权

US07328118B2 Method of determining the mass unbalance of an actuator 失效
标题翻译：确定执行器质量不平衡的方法
公开(公告)号：US07328118B2
公开(公告)日：2008-02-05
申请号：US10731806
申请日：2003-12-09
申请人： Xiong Liu , ChoonKiat Lim , Kong Beng Terang Thia , Pow-Hing Yong
发明人： Xiong Liu , ChoonKiat Lim , Kong Beng Terang Thia , Pow-Hing Yong
IPC分类号： G01D1/00
CPC分类号： G11B5/5521 , G11B5/4806 , G11B25/043
摘要： The present invention is a method of determining mass unbalance of an actuator mechanism in a system. The method includes calculating a center of gravity in first x and y components with respect to a first coordinate system of the actuator mechanism. The method also includes calculating the center of gravity in second x and y components with respect to a second coordinate system of the actuator mechanism. The total mass unbalance of the actuator mechanism is then calculated.
摘要翻译：本发明是确定系统中致动器机构的质量不平衡的方法。该方法包括相对于致动器机构的第一坐标系来计算第一x和y分量中的重心。该方法还包括相对于致动器机构的第二坐标系计算第二x和y分量中的重心。然后计算执行器机构的总质量不平衡。

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