公开(公告)号：US07595955B2

公开(公告)日：2009-09-29

申请号：US12069311

申请日：2008-02-07

申请人： Mirei Hosono ,  Kazunari Tsuchimoto ,  Hideki Ohzeki ,  Tetsuo Ueda ,  Isao Yoneda ,  Kazuyuki Ishibashi ,  Hiroshi Uchida

发明人： Mirei Hosono ,  Kazunari Tsuchimoto ,  Hideki Ohzeki ,  Tetsuo Ueda ,  Isao Yoneda ,  Kazuyuki Ishibashi ,  Hiroshi Uchida

IPC分类号： G11B5/596 ,  G11B20/20

CPC分类号： G11B5/59688 ,  G11B5/59627

摘要： Embodiments of the present invention help to achieve a read error recovery, and suppress decreases in the capacity of the disk drive device and degradation in performance. In one embodiment, a hard disk drive (HDD) performs following control without use of repeatable run-out (RRO) compensation information on a magnetic disk in a normal reading process. When an error occurs in a normal reading process, the HDD moves a read element to a position different from a target position of the normal reading process. At the position where the read element has been moved, the read element reads out the RRO compensation information. In a recovery procedure for the reading process where the error has occurred, the HDD performs following control with compensation by the servo compensation information read out by the read element.

摘要翻译： 本发明的实施例有助于实现读错误恢复，并且抑制磁盘驱动装置的容量的降低和性能的降低。 在一个实施例中，硬盘驱动器（HDD）在正常读取过程中不使用磁盘上的可重复的耗尽（RRO）补偿信息执行以下控制。 当在正常读取过程中发生错误时，HDD将读取元件移动到与正常读取处理的目标位置不同的位置。 在读取元素移动的位置，读取元件读出RRO补偿信息。 在发生错误的读取处理的恢复过程中，HDD通过由读取元素读出的伺服补偿信息进行补偿来执行以下控制。

公开(公告)号：US20090073601A1

公开(公告)日：2009-03-19

申请号：US12283561

申请日：2008-09-11

申请人： Hiroshi Uchida ,  Hideki Ohzeki

发明人： Hiroshi Uchida ,  Hideki Ohzeki

IPC分类号： G11B5/596

CPC分类号： G11B5/5582 ,  G11B5/59627 ,  G11B19/042

摘要： Embodiments of the present invention provide a magnetic disk drive capable of easily suppressing degradation of position error caused by disturbance resulting from vibration from the outside. According to one embodiment, the magnetic disk drive acquires, during a period of time of track following control, data necessary for determining a filtering characteristic required to newly be specified in a peak filter; in association with the start of subsequent seek control, determines the filtering characteristic required to be specified in the peak filter; and specifies the determined filtering characteristic in the peak filter.

摘要翻译： 本发明的实施例提供一种磁盘驱动器，其能够容易地抑制由来自外部的振动引起的干扰引起的位置误差的劣化。 根据一个实施例，磁盘驱动器在跟踪控制的时间段期间获取确定在峰值滤波器中新指定的滤波特性所需的数据; 与后续寻道控制的开始相关联，确定峰值滤波器中规定的滤波特性; 并指定峰值滤波器中确定的滤波特性。

公开(公告)号：US07457076B2

公开(公告)日：2008-11-25

申请号：US11335849

申请日：2006-01-18

申请人： Tetsuo Semba ,  Hiroshi Uchida

发明人： Tetsuo Semba ,  Hiroshi Uchida

IPC分类号： G11B5/596

CPC分类号： G11B5/5547 ,  G11B5/5586

摘要： In seek control for a head of a rotary recorder/reproducer, the seek time is reduced with noise reduced while utilizing a driving force of an actuator effectively. In one embodiment, when a microprocessor generates a control signal for a drive current given to an actuator for head seek, a signal generator generates a prespecified acceleration allowing for the allowable maximum acceleration when the actuator is accelerated, a prespecified deceleration signal allowing for the allowable maximum deceleration when the actuator is decelerated, and a zero level signal when the actuator is settled. Switching from deceleration to settling is performed at a point of time computed by the microprocessor as a time point when settling is to be started so that the head may reach a target position within the shortest period of time.

摘要翻译： 在用于旋转记录器/再现器的头部的寻道控制中，在有效地利用致动器的驱动力的同时，寻求时间减少，噪声降低。 在一个实施例中，当微处理器产生用于头部寻道的致动器的驱动电流的控制信号时，信号发生器产生预先指定的加速度，允许执行器被加速时允许的最大加速度，预定的减速信号允许允许 执行器减速时的最大减速度，执行机构稳定时为零电平信号。 从减速到稳定的切换是在由微处理器计算的时间点作为开始建立的时间点执行的，以便头部可以在最短时间内到达目标位置。

公开(公告)号：US20080285170A1

公开(公告)日：2008-11-20

申请号：US12152756

申请日：2008-05-16

申请人： Hiroshi Uchida ,  Gaku Ikedo

发明人： Hiroshi Uchida ,  Gaku Ikedo

IPC分类号： G11B21/02

CPC分类号： G11B5/5582 ,  G01H1/003 ,  G11B19/042

摘要： Embodiments of the present invention provide a magnetic disk drive, in which a disturbance component contained in an output signal from a rotational vibration detector, can be appropriately suppressed irrespective of frequency of the component, and a method of controlling the drive. According to one embodiment, in a magnetic disk drive having a rotational vibration detector for detecting rotational vibration of a drive housing, a main control circuit performs a head moving step of driving a voice coil motor to move a magnetic head on a magnetic disk, a frequency estimation step of estimating a frequency of each disturbance component contained in an output signal from the rotational vibration detector after moving the magnetic head, and a suppressor setting step of setting a notch filter for suppressing the disturbance component based on the estimated frequency.

摘要翻译： 本发明的实施例提供了一种磁盘驱动器，其中可以适当地抑制来自旋转振动检测器的输出信号中包含的干扰分量，而不考虑部件的频率，以及控制驱动的方法。 根据一个实施例，在具有用于检测驱动器壳体的旋转振动的旋转振动检测器的磁盘驱动器中，主控制电路执行驱动音圈电机以使磁头移动到磁盘上的磁头移动步骤， 频率估计步骤，用于在移动磁头之后估计来自旋转振动检测器的输出信号中包含的每个扰动分量的频率;以及抑制器设置步骤，基于估计的频率设置用于抑制干扰分量的陷波滤波器。

公开(公告)号：US07436614B2

公开(公告)日：2008-10-14

申请号：US11143511

申请日：2005-06-01

申请人： Hiroshi Uchida

发明人： Hiroshi Uchida

IPC分类号： G11B15/14

CPC分类号： G11B19/04 ,  G11B5/40 ,  G11B5/5526 ,  G11B27/034 ,  G11B27/322 ,  G11B2220/2516

摘要： Embodiments of the invention provide a data storage device and its control method that are capable of minimizing the possibility of head deterioration while maintaining the minimum required sustained data rate. In one embodiment, each track is divided into three areas (A, B, and C). When a ⅓ track is accessed, the head is changed to access a ⅓ track on the next recording surface. In this instance, LBAs are assigned to disks so that heads Hd0 through Hd4, which access both surfaces of disks 0 and 1, are selected for accessing purposes in the Hd0, Hd1, Hd2, Hd3, Hd0, and Hd1 order while an area selection is made in the area A, area B, and area C order.

摘要翻译： 本发明的实施例提供一种数据存储装置及其控制方法，其能够在保持最小所需持续数据速率的同时最大限度地降低磁头劣化的可能性。 在一个实施例中，每个轨道被分成三个区域（A，B和C）。 当访问1/3轨道时，头部被更改为访问下一个记录表面上的1/3轨道。 在这种情况下，将LBA分配给磁盘，使得访问磁盘0和1的两个表面的磁头Hd 0至Hd 4被选择用于Hd 0，Hd 1，Hd 2，Hd 3，Hd 0， 并在区域A，区域B和区域C顺序中进行区域选择。

公开(公告)号：US20070253100A1

公开(公告)日：2007-11-01

申请号：US11796228

申请日：2007-04-26

申请人： Hiroshi Uchida ,  Isao Yoneda ,  Hideki Ohzeki

发明人： Hiroshi Uchida ,  Isao Yoneda ,  Hideki Ohzeki

IPC分类号： G11B5/596

CPC分类号： G11B5/5526

摘要： Embodiments in accordance with the present invention provide a magnetic disk drive with reduced noise during seek operation without causing any delay in control response. According to one embodiment of the present invention, a control circuit of a magnetic disk drive controls the drive power supplied to a voice coil motor during a seek operation adapted to move a magnetic head over a target track formed on a magnetic disk so as to bring the travel speed of the magnetic head close to a predetermined target speed. The control circuit determines a provisional current according to the difference between the predetermined target speed and an actual travel speed in an acceleration zone adapted to accelerate the magnetic head to the predetermined target speed. If the provisional current exceeds a limit specified in relation to an elapsed time from the start of acceleration, the control circuit sets the limit as the current of the drive power supplied to the voice coil motor to control the motor.

摘要翻译： 根据本发明的实施例提供一种在寻道操作期间具有降低的噪声的磁盘驱动器，而不会导致控制响应的任何延迟。 根据本发明的一个实施例，磁盘驱动器的控制电路在搜索操作期间控制提供给音圈电机的驱动电力，以便将磁头移动到形成在磁盘上的目标磁道上，以便带动 磁头的行进速度接近预定的目标速度。 控制电路根据预定目标速度与适于将磁头加速到预定目标速度的加速区域中的实际行驶速度之间的差异来确定临时电流。 如果临时电流超过关于从加速开始起的经过时间规定的限制，则控制电路将限制设定为作为提供给音圈电动机的驱动电力的电流以控制电动机。

公开(公告)号：US20070230025A1

公开(公告)日：2007-10-04

申请号：US11725038

申请日：2007-03-15

申请人： Hiroshi Uchida ,  Mirei Hosono ,  Hideki Ohzeki ,  Tetsuo Ueda

发明人： Hiroshi Uchida ,  Mirei Hosono ,  Hideki Ohzeki ,  Tetsuo Ueda

IPC分类号： G11B5/596

CPC分类号： G11B5/59627

摘要： Embodiments of the present invention provide a magnetic recording apparatus capable of generating RRO compensation information that can expand the disturbance frequency range in which to compensate for RRO. Embodiments of the present invention describe a magnetic recording apparatus that uses a plurality of repetitive control systems to detect repeatable runout during the rotation of a magnetic recording medium for a frequency characteristic of each of the repetitive control systems. The magnetic recording apparatus further generates compensation information to compensate for each of the detected repeatable runout. The magnetic recording apparatus still further writes the compensation information generated for each of the repetitive control systems to a servo signal, thus suppressing and controlling the repeatable runout.

摘要翻译： 本发明的实施例提供一种磁记录装置，其能够产生可以扩大其中补偿RRO的干扰频率范围的RRO补偿信息。 本发明的实施例描述了一种磁记录装置，其使用多个重复控制系统来检测用于每个重复控制系统的频率特性的磁记录介质旋转期间的可重复跳动。 磁记录装置进一步产生补偿信息以补偿每个检测到的可重复跳动。 磁记录装置还将针对每个重复控制系统生成的补偿信息写入伺服信号，从而抑制和控制可重复的跳动。

公开(公告)号：US20070218305A1

公开(公告)日：2007-09-20

申请号：US11587162

申请日：2005-04-21

申请人： Satoru Ishigaki ,  Hiroshi Uchida ,  Yoshio Miyajima ,  Katsutoshi Morinaka

发明人： Satoru Ishigaki ,  Hiroshi Uchida ,  Yoshio Miyajima ,  Katsutoshi Morinaka

IPC分类号： G03F7/004

CPC分类号： G03F7/027 ,  C08G18/0823 ,  C08G18/4854 ,  C08G18/672 ,  C08G18/755 ,  C09D175/16 ,  G03F7/032 ,  G03F7/033 ,  G03F7/035 ,  G03F7/038 ,  G03F7/0388 ,  H05K3/287 ,  Y10T428/31855 ,  C08G18/6692

摘要： There are provided a novel photosensitive resin composition, a cured film of which has ample flexibility, and which yields an insulating protective coating having superior soldering heat resistance, thermal degradation resistance and electroless gold plating resistance. The photosensitive resin composition as claimed in the present invention comprises: a photopolymerizeable component containing a urethane acrylate compound (A) and a compound (B) having an ethylenic unsaturated group other than said urethane acrylate compound (A), a thermosetting resin (C), a photopolymerization initiator (D) and a thermal polymerization catalyst (E); wherein, said urethane acrylate compound (A) is the reaction product of an isocyanate compound (a-1) of the following general formula (1): CH2═CH—COO—R—NCO  (1) (wherein, R represents a hydrocarbon group having 1 to 30 carbon atoms) with a polyhydroxy compound (a-2).

摘要翻译： 提供了一种新颖的感光性树脂组合物，其固化膜具有充分的柔软性，并且产生具有优异的耐焊接耐热性，耐热劣化性和无电镀金电镀性的绝缘保护涂层。 本发明的感光性树脂组合物包含：含有氨基甲酸酯丙烯酸酯化合物（A）和除所述氨基甲酸酯丙烯酸酯化合物（A）以外具有乙烯性不饱和基团的化合物（B）的光聚合性成分，热固性树脂（C） ，光聚合引发剂（D）和热聚合催化剂（E）; 其中，所述氨基甲酸酯丙烯酸酯化合物（A）是下列通式（1）的异氰酸酯化合物（a-1）的反应产物：<？in-line-formula description =“In-line Formula”end =“lead “ - > CH 2 - -CH-COO-R-NCO（1）<？在线公式描述=”在线式“末端=”尾“→（其中，R表示 具有1〜30个碳原子的烃基）与多羟基化合物（a-2）。

公开(公告)号：US07206162B2

公开(公告)日：2007-04-17

申请号：US11000680

申请日：2004-11-30

申请人： Tetsuo Semba ,  Matthew White ,  Hiroshi Uchida

发明人： Tetsuo Semba ,  Matthew White ,  Hiroshi Uchida

IPC分类号： G11B5/596 ,  G11B5/58 ,  G11B5/55

CPC分类号： G11B5/5547

摘要： Embodiments of the present invention provide a method and a system for generating optimal feedforward signal for the seek control to suppress the RTV (Random Transient Vibrations) and the seek acoustic noise. One aspect is directed to a method of providing a revised feedforward signal using an adaptive filter in a feedforward control system for controlling an actuator to move a head to seek a track and settle on the track of a disk in a disk drive apparatus. The method comprises performing a seek operation of the head using an initial feedforward signal; obtaining an error signal at settling after performing the seek operation; determining filter characteristics of the adaptive filter to minimize the error signal; and implementing the adaptive filter having the determined filter characteristics in the feedforward control system to produce a revised feedforward signal for controlling the actuator for moving the head in the disk drive apparatus.

摘要翻译： 本发明的实施例提供了一种用于产生用于搜索控制以抑制RTV（随机瞬态振荡）和寻呼声学噪声的最佳前馈信号的方法和系统。 一个方面涉及一种在前馈控制系统中使用自适应滤波器来提供修正的前馈信号的方法，用于控制致动器移动磁头以寻找磁道并将其稳定在盘驱动装置中的盘的轨道上。 该方法包括使用初始前馈信号来执行头的寻道操作; 在执行寻道操作之后获得沉降中的误差信号; 确定自适应滤波器的滤波器特性以最小化误差信号; 并且在前馈控制系统中实现具有确定的滤波器特性的自适应滤波器，以产生用于控制用于在盘驱动装置中移动磁头的致动器的修正前馈信号。

公开(公告)号：US07107206B1

公开(公告)日：2006-09-12

申请号：US10130357

申请日：2000-11-17

申请人： Hiroshi Uchida ,  Meiying Zhu

发明人： Hiroshi Uchida ,  Meiying Zhu

IPC分类号： G06F17/28

CPC分类号： G06F17/2872 ,  G06F17/289

摘要： A system is disclosed which allows communication between various kinds of languages. The conversion processing portion (300) rewrites components of the representation in the natural language constructing given natural language representation to universal language elements corresponding thereto in the universal language dictionary (210). The conversion processing portion (300) joins multiple rewritten universal language elements by applying the rewriting rules (220) in accordance with an order in universal language element and creates representation in universal language, which is represented in the binary relation. A reverse-conversion processing portion (350) resolves representation in universal language represented in the binary relation to universal language elements constructing joins therein with reference to the rewriting rules (220) in accordance with rules for representation in the binary relation, which are included in the rules. The reverse-conversion processing portion (350) rewrites the resolved universal language elements to components constructing the natural language representation with reference to the universal language dictionary (120) in order to create representation in natural language.

摘要翻译： 公开了允许各种语言之间的通信的系统。 转换处理部分（300）将构成给定自然语言表示的自然语言中的表示的分量重写到通用语言字典（210）中对应的通用语言元素。 转换处理部分（300）通过根据通用语言元素中的顺序应用重写规则（220）来连接多个重写的通用语言元素，并以二进制关系表示的通用语言中创建表示。 反向转换处理部分（350）根据二进制关系中表示的规则，参照重写规则（220），以二进制关系表示的通用语言，以通用语言元素构成其中的连接，解释为通用语言。 规则。 反转换处理部分（350）将所解析的通用语言元素重写成参照通用语言字典（120）构建自然语言表示的组件，以便以自然语言创建表示。