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    • 32. 发明授权
    • Data recording apparatus and system having sustained high transfer rates
    • 具有持续高传输速率的数据记录装置和系统
    • US07903930B2
    • 2011-03-08
    • US10939209
    • 2004-09-09
    • Kouji FujitaHideo NishijimaKazuya Yamashita
    • Kouji FujitaHideo NishijimaKazuya Yamashita
    • H04N9/80
    • G11B20/1251G11B5/012G11B20/10G11B27/329G11B2005/001G11B2020/10537G11B2020/10944G11B2220/20G11B2220/2516H04N5/781H04N9/8042
    • According to the invention, techniques for recording data onto recording media at relatively high transfer rates for relatively long periods of time. Embodiments according to the present invention include systems and apparatus capable of an improved sustained rate of data recording onto disk type-recording media, for example. Many embodiments can remove the upper limits of both recording capacity and the number of media that can be used. Select embodiments can be used with different kinds of recording media as well. In a specific embodiment, the area on a hard disk is divided into three areas. A first area can be suitable for sequential recording of continuous data. A second area can be suitable for random recording of discontinuous data. A third area can be used for recording logical sector numbers, coupling logical sector numbers, and file information that are used for marking each of the first and second areas, so that continuous data can be recorded on the hard disk at a high data rate.
    • 根据本发明,用于以相当高的传送速率在相对长的时间段内将数据记录到记录介质上的技术。 根据本发明的实施例包括例如能够将数据记录到盘式记录介质上的持续速率提高的系统和装置。 许多实施例可以消除记录容量和可以使用的介质数量的上限。 选择实施例也可以与不同种类的记录介质一起使用。 在具体实施例中,将硬盘上的区域划分为三个区域。 第一个区域适用于连续记录连续数据。 第二个区域适用于不连续数据的随机记录。 第三区域可以用于记录逻辑扇区号,耦合逻辑扇区号和用于标记第一和第二区域中的每一个的文件信息,使得可以以高数据速率将连续数据记录在硬盘上。
    • 33. 发明申请
    • TORQUE WRENCH
    • 扭矩扳手
    • US20100206141A1
    • 2010-08-19
    • US12599387
    • 2008-05-28
    • Shogo NakataTadashi HanaiKouji FujitaMasahiko UmekawaHiroshi Uchida
    • Shogo NakataTadashi HanaiKouji FujitaMasahiko UmekawaHiroshi Uchida
    • B25B23/144
    • B25B23/1425
    • [Problem to be Solved] The invention aims at ease of operation compatible with improved accuracy of measurement.[Constitution] The invention includes a tightening portion 10 such as a ratchet wrench, a housing 20 having a front side cover part 21 and a back side grip part 22, a shaft-like strain body 30 that is contained inside the housing 20 and has a leading end coupled with the replaceable tightening portion 10, first distortion sensors 42a and 42b and second distortion sensors 43a and 43b that are arranged at spaced points in the axial direction of the strain body 30 for measuring a tightening torque T, a setting portion 70 for setting a tightening torque set value etc., a microprocessor chip 100 having functions including computation of the tightening torque T while correcting errors due to changes in point of effort based on the detection result of the first distortion sensors 42a and 42b and the second distortion sensors 43a and 43b, and an output portion 300 for outputting the tightening torque T etc.
    • [待解决的问题]本发明旨在易于操作,与提高的测量精度相兼容。 [结构]本发明包括一个紧固部分10,例如棘轮扳手,具有前侧盖部分21和后侧抓握部分22的壳体20,容纳在壳体20内部的轴状应变体30, 与可变形紧固部分10连接的前端,第一变形传感器42a和42b以及第二变形传感器43a和43b,其布置在应变体30的轴向方向上的间隔点处,用于测量紧固转矩T;设定部分70 用于设定紧固扭矩设定值等的微处理器芯片100,具有包括计算紧固扭矩T的功能,同时基于第一失真传感器42a和42b的检测结果来校正由于努力点的变化引起的误差,以及第二失真 传感器43a和43b,以及用于输出紧固扭矩T等的输出部分300。
    • 35. 发明申请
    • OPTICAL DISC DRIVE APPARATUS
    • 光盘驱动器
    • US20090147632A1
    • 2009-06-11
    • US12260118
    • 2008-10-29
    • Kouji Fujita
    • Kouji Fujita
    • G11B7/00
    • G11B7/08517G11B7/0953
    • In an optical disc drive apparatus, when a start time of a tracking pull-in operation is adjusted according to the eccentricity amount of the optical disc, a suitable starting point of the tracking pull-in operation can be always captured and the pull-in operation of the tracking control can be stably performed, without depending on the eccentricity amount of the optical disc. Further, the eccentricity amount and an eccentricity phase are detected from a track zero crossing signal before the tracking pull-in, and an eccentricity compensation signal of the track is added to the tracking control signal. As a result, also in the optical disc with the large eccentricity amount, the tracking pull-in operation can be stably performed.
    • 在光盘驱动装置中,当根据光盘的偏心量来调整跟踪引入操作的开始时间时,可以始终捕获跟踪引入操作的合适的起始点并且引入 可以稳定地执行跟踪控制的操作,而不依赖于光盘的偏心量。 此外,在跟踪拉入之前从轨道过零信号检测偏心量和偏心相位,并且轨道的偏心补偿信号被添加到跟踪控制信号。 结果,即使在偏心量大的光盘中,也能够稳定地进行追踪拉入动作。
    • 37. 发明授权
    • Data recording apparatus and system having sustained high transfer rates
    • 具有持续高传输速率的数据记录装置和系统
    • US07349623B1
    • 2008-03-25
    • US09528491
    • 2000-03-17
    • Kouji FujitaHideo NishijimaKazuya Yamashita
    • Kouji FujitaHideo NishijimaKazuya Yamashita
    • H04N5/91
    • G11B20/1251G11B5/012G11B20/10G11B27/329G11B2005/001G11B2020/10537G11B2020/10944G11B2220/20G11B2220/2516H04N5/781H04N9/8042
    • According to the invention, techniques for recording data onto recording media at relatively high transfer rates for relatively long periods of time. Embodiments according to the present invention include systems and apparatus capable of an improved sustained rate of data recording onto disk type-recording media, for example. Many embodiments can remove the upper limits of both recording capacity and the number of media that can be used. Select embodiments can be used with different kinds of recording media as well. In a specific embodiment, the area on a hard disk is divided into three areas. A first area can be suitable for sequential recording of continuous data. A second area can be suitable for random recording of discontinuous data. A third area can be used for recording logical sector numbers, coupling logical sector numbers, and file information that are used for marking each of the first and second areas, so that continuous data can be recorded on the hard disk at a high data rate.
    • 根据本发明,用于以相当高的传送速率在相对长的时间段内将数据记录到记录介质上的技术。 根据本发明的实施例包括例如能够将数据记录到盘式记录介质上的持续速率提高的系统和装置。 许多实施例可以消除记录容量和可以使用的介质数量的上限。 选择实施例也可以与不同种类的记录介质一起使用。 在具体实施例中,将硬盘上的区域划分为三个区域。 第一个区域适用于连续记录连续数据。 第二个区域适用于不连续数据的随机记录。 第三区域可以用于记录逻辑扇区号,耦合逻辑扇区号和用于标记第一和第二区域中的每一个的文件信息,使得可以以高数据速率将连续数据记录在硬盘上。
    • 38. 发明申请
    • Torque wrench
    • 扭力扳手
    • US20060225519A1
    • 2006-10-12
    • US11327495
    • 2006-01-09
    • Takamichi NakagawaShogo NakataMasahiko UmekawaTadashi HanaiKouji Fujita
    • Takamichi NakagawaShogo NakataMasahiko UmekawaTadashi HanaiKouji Fujita
    • B25B23/14
    • B25B23/1425
    • The invention seek to enable to share main components other than a tightening unit even in use for different effective lengths corresponding to ranges of tightening torques. There are provided: a tightening unit 10 such as a ratchet; a housing 20 having a two-divided structure including a front side cover part 21 and a back side grip part 22; a strain body 30 provided inside the housing 20 and replaceably coupling the tightening unit 10 thereto; a distortion sensor 40, provided to the strain body 30, for detecting the distorted amount of the strain body 30 due to the tightening force of the tightening unit 10; a microprocessor chip 100 having functions including computing the tightening torque of the tightening unit 10 based on torque reference values prepared in advance and detection results of the distortion sensor 40; and an output unit 300 for outputting such as the tightening torque.
    • 本发明寻求使紧固单元以外的主要部件能够共享,即使在与紧固扭矩的范围相对应的不同有效长度的情况下也是如此。 提供:紧固单元10,例如棘轮; 具有包括前侧盖部21和后侧抓握部22的双分割结构的壳体20; 设置在壳体20内的应变体30,并且可更换地将紧固单元10连接到其上; 变形传感器40,其设置在应变体30上,用于检测由于紧固单元10的紧固力引起的应变体30的畸变量; 微处理器芯片100具有以下功能:包括基于预先准备的转矩基准值和失真传感器40的检测结果来计算紧固单元10的紧固扭矩; 以及用于输出诸如紧固扭矩的输出单元300。