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    • 3. 发明授权
    • Apparatus, storage system, and computer program product for prevention of data loss
    • 装置,存储系统和计算机程序产品,用于防止数据丢失
    • US08069301B2
    • 2011-11-29
    • US12393654
    • 2009-02-26
    • Kazuhiro FukutomiHideaki SatoShinichi KannoShigehiro Asano
    • Kazuhiro FukutomiHideaki SatoShinichi KannoShigehiro Asano
    • G06F12/02
    • G06F12/0246G06F11/108G06F2212/7208G06F2212/7211
    • A data control apparatus includes a mapping-table managing unit that manages a mapping table that is associated with a corrupted-data recovery function of recording data and error correcting code data as redundant data that is given separately from the data, distributed and stored in units of stripe blocks in the plural nonvolatile semiconductor memory devices, the mapping table containing arrangement information of the data and the error correcting code data; a determining unit that determines whether to differentiate frequencies of writing the data into the semiconductor memory devices; and a changing unit that changes the arrangement information by switching the data stored in units of the stripe blocks managed using the mapping table to differentiate the frequencies of writing the data into the semiconductor memory devices, when the determining unit determines that the frequencies of writing the data into the semiconductor memory devices are to be differentiated.
    • 数据控制装置包括映射表管理单元,其管理与记录数据的损坏数据恢复功能和纠错码数据相关联的映射表,作为与数据分开地分配并以单元分布和存储的冗余数据 所述多个非易失性半导体存储器件中的条形块,所述映射表包含所述数据的排列信息和所述纠错码数据; 确定单元,其确定是否将写入数据的频率区分成半导体存储器件; 以及改变单元,其通过切换存储在使用映射表管理的条带块的单元中的数据来改变排列信息,以将写入数据的频率区分为半导体存储器件,当确定单元确定写入的频率 差分数据到半导体存储器件中。
    • 9. 发明申请
    • Planar motor
    • 平面电机
    • US20080122397A1
    • 2008-05-29
    • US11605376
    • 2006-11-29
    • Hideaki SatoKennosuke Kondo
    • Hideaki SatoKennosuke Kondo
    • B64C17/06
    • H02K41/03H02K41/0356H02K2201/18Y10S414/135
    • A common electrode plate formed on a common electrode base attached to the lower surface of the movable stage faces a split electrode plate formed on a split electrode base attached to the upper surface of a main base, which are apart from each other at a predetermined interval. A support mechanism formed of ball bearings, ball stoppers at the movable side, steel balls, ball stoppers at the fixed side, and ball bearings allows the movable stage to move in directions of the X-axis, Y-axis and turning. A linear actuator 19 is driven to move the movable stage in the directions of X-axis, Y-axis, and turning.
    • 形成在安装在可动台的下表面上的公共电极基座上的公共电极板面对形成在分隔电极基板上的分离电极板,该分离电极基板安装在主基板的上表面上,该间隔电极基板以预定间隔彼此分开 。 由球轴承,可动侧的球塞,钢球,固定侧的球塞,以及球轴承构成的支承机构,能够使活动台沿X轴,Y轴,车削方向移动。 驱动线性致动器19沿X轴,Y轴和转动方向移动可动台。