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    MAGNETIC DISK DRIVE AND DATA REWRITE METHODS
    41.
    发明申请
    MAGNETIC DISK DRIVE AND DATA REWRITE METHODS 有权
    磁盘驱动器和数据恢复方法

    公开(公告)号：US20100321817A1

    公开(公告)日：2010-12-23

    申请号：US12822130

    申请日：2010-06-23

    申请人： Toru Aida ,  Shuhsuke Kurihara ,  Toshihiko Tsunokawa ,  Hideaki Maeda

    发明人： Toru Aida ,  Shuhsuke Kurihara ,  Toshihiko Tsunokawa ,  Hideaki Maeda

    IPC分类号： G11B15/04

    CPC分类号： G11B20/18 ,  G11B5/09 ,  G11B2020/1869 ,  G11B2220/2516

    摘要： In one embodiment, a magnetic disk drive includes a magnetic disk having data tracks, a magnetic head, a motion mechanism for moving the magnetic head, and a controller. The controller adds a value to a rewrite parameter for a rewrite region based on a number of writes to data tracks related to the rewrite region, the value is chosen to reflect a degree of influence the number of writes have on the rewrite region, and the magnetic head rewrites data of the rewrite region when the rewrite parameter is greater than a threshold. In another embodiment, a method includes writing data tracks in a rewrite region, defining values reflecting a degree(s) of influence on the rewrite region, adding the values to a rewrite parameter upon writing data to the data tracks, determining that the rewrite parameter has reached or exceeded a threshold and rewriting data in the rewrite region.

    摘要翻译： 在一个实施例中，磁盘驱动器包括具有数据磁道的磁盘，磁头，用于移动磁头的运动机构和控制器。 控制器基于对与重写区域相关的数据轨迹的写入次数，向重写区域的重写参数添加值，该值被选择以反映写入次数对重写区域的影响程度，并且 当重写参数大于阈值时，磁头重写重写区域的数据。 在另一个实施例中，一种方法包括在重写区域中写入数据轨迹，定义反映对重写区域的影响程度的值，在将数据写入数据轨道时将该值添加到重写参数，确定重写参数 已达到或超过阈值并重写重写区域中的数据。

    Disk drive
    42.
    发明授权
    Disk drive 有权
    磁盘驱动器

    公开(公告)号：US07852589B2

    公开(公告)日：2010-12-14

    申请号：US11796134

    申请日：2007-04-25

    申请人： Masaomi Ikeda ,  Takao Matsui ,  Masahiko Koizumi ,  Masato Taniguchi ,  Kohji Nakao ,  Hideaki Maeda

    发明人： Masaomi Ikeda ,  Takao Matsui ,  Masahiko Koizumi ,  Masato Taniguchi ,  Kohji Nakao ,  Hideaki Maeda

    IPC分类号： G11B5/35

    CPC分类号： G11B20/10009 ,  G11B20/10027 ,  G11B20/10046 ,  G11B20/10481 ,  G11B20/18 ,  G11B20/1833 ,  G11B27/36 ,  G11B2005/0016 ,  G11B2020/1863 ,  G11B2220/2516

    摘要： Embodiments in accordance with the present invention provide a magnetic disk drive capable of achieving error recovery stably in a simple configuration in the event of thermal asperity (TA) and minimizing the error recovery time required, and a method for controlling the disk drive. According to one embodiment, if TA occurs, a cutoff frequency of a high-pass filter to which a data read signal is input is first increased and a loop gain of a low-order finite impulse response (FIR) filter connected in series to an FIR filter is also increased as high as possible. Next, a Viterbi decoder to which a signal is input from the low-order FIR filter provides feedback to the low-order FIR filter so that an input signal error becomes a minimum. Tap coefficients of the low-order FIR filter are thus optimized.

    摘要翻译： 根据本发明的实施例提供一种磁盘驱动器，其能够在热不均匀（TA）的情况下以简单的配置稳定地实现误差恢复，并且使所需的错误恢复时间最小化，以及控制盘驱动器的方法。 根据一个实施例，如果TA发生，则首先增加输入数据读取信号的高通滤波器的截止频率，并将低阶有限脉冲响应（FIR）滤波器的环路增益串联连接到 FIR滤波器也尽可能高地增加。 接下来，从低阶FIR滤波器输入信号的维特比解码器向低阶FIR滤波器提供反馈，使得输入信号误差变得最小。 因此优化了低阶FIR滤波器的抽头系数。

    POSITIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY AND LITHIUM ION SECONDARY BATTERY INCLUDING SAME
    43.
    发明申请
    POSITIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY AND LITHIUM ION SECONDARY BATTERY INCLUDING SAME 有权
    用于锂离子二次电池和锂离子二次电池的正极

    公开(公告)号：US20100151326A1

    公开(公告)日：2010-06-17

    申请号：US12625677

    申请日：2009-11-25

    申请人： Won-Il JUNG ,  Akira Takamuku ,  Hideaki Maeda ,  Naoya Kobayashi

    发明人： Won-Il JUNG ,  Akira Takamuku ,  Hideaki Maeda ,  Naoya Kobayashi

    IPC分类号： H01M4/505

    CPC分类号： H01M4/505 ,  H01M4/02 ,  H01M4/364 ,  H01M4/366 ,  H01M4/485 ,  H01M4/621 ,  H01M4/622 ,  H01M10/052 ,  H01M10/4235 ,  H01M2004/021

    摘要： Disclosed is a rechargeable lithium ion battery including a positive electrode including a positive active material and a negative electrode including a negative active material. The positive active material includes a lithium-manganese-based compound core and a heat resistant polymer disposed on the lithium-manganese-based compound core. The heat resistance polymer has a glass transition temperature (Tg) ranging from about 80 to about 400° C. The positive active material includes a lithium-manganese-based compound core and an inorganic metal compound as well as the heat resistant polymer with a glass transition temperature (Tg) ranging from about 80 to about 400° C. disposed on the lithium-manganese-based compound core.

    摘要翻译： 公开了一种可再充电锂离子电池，其包括正极，其包括正极活性物质和负极，其包含负极活性物质。 正极活性物质包括锂锰基化合物核和设置在锂锰化合物核上的耐热聚合物。 耐热性聚合物的玻璃化转变温度（Tg）为约80〜约400℃。正极活性物质包括锂锰化合物芯和无机金属化合物以及具有玻璃的耐热聚合物 设置在锂锰化合物核心上的约80至约400℃的转变温度（Tg）。

    Numerical controller
    46.
    发明申请
    Numerical controller 审中-公开
    数控机

    公开(公告)号：US20070192707A1

    公开(公告)日：2007-08-16

    申请号：US11706205

    申请日：2007-02-15

    申请人： Hideaki Maeda ,  Shinya Nakamura ,  Susumu Nagayama

    发明人： Hideaki Maeda ,  Shinya Nakamura ,  Susumu Nagayama

    IPC分类号： G06F3/00

    CPC分类号： G05B19/409

    摘要： A numerical controller in which similar icons are created without applying major load onto a memory. Among icon definition data displayed in areas F1 . . . , G1 . . . , H1 . . . , on frames A, B and C, the data that can be expressed by conversions, such as rotation, horizontal mirror image, vertical mirror image, horizontal-and-vertical mirror image, magnification/contraction retaining horizontal/vertical ratio, magnification/contraction varying horizontal/vertical ratio, black/white reversal, display in red, blue, yellow and green, with respect to one parent icon, are substituted with data indicating the conversion contents. It is possible to display many icons with a small storage capacity. The definition data of each icon can be previously written in a ROM and copied to a RAM when the power is turned on to be used for display.

    摘要翻译： 数字控制器，其中创建相似的图标而不对存储器施加主要负载。 在区域F 1中显示的图标定义数据中。 。 。 ，G 1。 。 。 ，H 1。 。 。 在帧A，B和C上，可以通过转换表示的数据，如旋转，水平镜像，垂直镜像，水平和垂直镜像，放大/缩小保持水平/垂直比，放大/缩小 变化的水平/垂直比率，黑/白反转，相对于一个父图标的红色，蓝色，黄色和绿色的显示被用指示转换内容的数据代替。 可以显示许多具有小存储容量的图标。 每个图标的定义数据可以预先写入ROM中，并在电源打开时复制到RAM中以用于显示。

    Signal processing technique for preventing delay in read time from retry operations
    49.
    发明授权
    Signal processing technique for preventing delay in read time from retry operations 失效
    用于防止重试操作中读取时间延迟的信号处理技术

    公开(公告)号：US06972917B2

    公开(公告)日：2005-12-06

    申请号：US10079997

    申请日：2002-02-19

    申请人： Hideaki Maeda ,  Yoshiju Watanabe ,  Naoki Satoh ,  Yasuyuki Ito

    发明人： Hideaki Maeda ,  Yoshiju Watanabe ,  Naoki Satoh ,  Yasuyuki Ito

    IPC分类号： G11B5/012 ,  G11B5/09 ,  G11B19/04 ,  G11B20/14

    CPC分类号： G11B19/04 ,  G11B5/012 ,  G11B5/09 ,  G11B20/1403

    摘要： The present invention enables recovery of data reading, even when thermal asperities or defective media will make it impossible to increase the number of retries or to read the data, occur in the AGC/PLL part. In a device for writing and reading information, when an error occurs in the region of the recording media where the AGC/PLL signal is written, and if that information is written continuously to several sectors, then data reading is performed by using the AGC/PLL of the following sector, without performing a retry, or by performing a minimum number of retries.

    摘要翻译： 本发明能够恢复数据读取，即使在热凹凸或有缺陷的介质使得不可能增加在AGC / PLL部分中发生的重试次数或读取数据。 在用于写入和读取信息的装置中，当写入AGC / PLL信号的记录介质的区域中出现错误，并且如果该信息被连续写入几个扇区，则通过使用AGC / 下一个扇区的PLL，而不执行重试，或通过执行最少的重试次数。