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    • 7. 发明授权
    • Redundant disk array with real-time lost data reconstruction
    • 冗余磁盘阵列具有实时丢失的数据重建
    • US06185368B2
    • 2001-02-06
    • US08898509
    • 1997-07-22
    • Yasuo IwasakiHiroyuki Miyawaki
    • Yasuo IwasakiHiroyuki Miyawaki
    • H04N5781
    • G06F11/1088G06F11/1076H04N21/2182H04N21/4147H04N21/4325H04N21/4334
    • A data recording/reproducing apparatus for recording and reproducing data to and from a plurality of record mediums that are non-linearly accessible is disclosed, that comprises a recording/reproducing portion for recording and reproducing data to the record mediums, and a controlling portion for controlling the recording/reproducing portion, wherein when the controlling portion detects that data recorded on one of the record mediums is not reproduced, the controlling portion detects a blank time period for which a host system has not accessed the data recording/reproducing apparatus, causes the recording/reproducing portion to reproduce the data from reproducible record mediums in the blank time period and error correction data recorded on another record medium, and re-structures data that is not reproduced with data that is reproduced from the reproducible record mediums and the error correction data.
    • 公开了一种用于向非线性可访问的多个记录介质记录和再现数据的数据记录/再现装置,包括用于向记录介质记录和再现数据的记录/再现部分,以及用于 控制记录/再现部分,其中当控制部分检测到记录在一个记录介质上的数据未被再现时,控制部分检测主机系统未访问数据记录/再现装置的空白时间段,导致 记录/再现部分,用于在空白时间段内再现可重现的记录介质的数据和记录在另一个记录介质上的纠错数据,并且重构不再现的可再现记录介质再现的数据和错误 校正数据。
    • 8. 发明授权
    • Polyvinyl alcohol polymer production method and polyvinyl alcohol polymer
    • 聚乙烯醇聚合物生产方法和聚乙烯醇聚合物
    • US06743859B2
    • 2004-06-01
    • US09577158
    • 2000-05-24
    • Tsuyoshi KowakaJunji FunakoshiHiroyuki MiyawakiKazunori Watanabe
    • Tsuyoshi KowakaJunji FunakoshiHiroyuki MiyawakiKazunori Watanabe
    • C08F812
    • D01F6/14
    • A method of producing polyvinyl alcohol polymer, with which a high-strength polyvinyl alcohol polymer with a high degree of saponification can be obtained, the polyvinyl ester saponification process can be linked directly with the spinning process, in which the polyvinyl alcohol polymer is made into fiber, the mole ratio of alcohol with respect to the polyvinyl alcohol can be freely selected, and the concentration of the polyvinyl alcohol obtained by the saponification reaction is high. The polyvinyl alcohol polymer that is obtained by this method exhibits a high block character value and is excellent in randomness is provided, wherein a polyvinyl ester is subject to a saponification reaction in an alcohol-containing organic solvent under the presence of a saponification catalyst and the saponification is carried out while distilling off the carboxylic acid ester that is produced by the saponification reaction.
    • 一种生产聚乙烯醇聚合物的方法,通过该方法可以获得高皂化度的高强度聚乙烯醇聚合物,聚乙烯基酯皂化方法可以直接与其中制成聚乙烯醇聚合物的纺丝方法 可以自由选择醇相对于聚乙烯醇的摩尔比,并且通过皂化反应得到的聚乙烯醇的浓度高。 通过该方法获得的聚乙烯醇聚合物显示出高的嵌段特征值,并且提供了无规性优异,其中聚乙烯酯在含醇的有机溶剂中在皂化催化剂存在下进行皂化反应, 在蒸发由皂化反应产生的羧酸酯的同时进行皂化。