发明名称 DATA RESTORATION METHOD AND DATA RESTORATION APPARATUS
摘要 <P>PROBLEM TO BE SOLVED: To provide a data restoration method excellent in terms of information security as it prevents unnecessary data from being restored. Ž<P>SOLUTION: The data restoration method is provided for restoring data for a recording medium, in which filed data are recorded in the order of time series from the head of a user region. The method includes: a detection step of reading the data sequentially from the head of the user region and detecting the data and information on the time and date of recording of the data; and a restoration step of comparing the detected information on the time and date of recording with reference information on the time and date of recording for comparison, and for output of the detected data as restored data if the information on the time and date of recording is newer, or not restoring the detected data if the information on the time and date of recording is older. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
申请公布号 JP2010066941(A) 申请公布日期 2010.03.25
申请号 JP20080231717 申请日期 2008.09.10
申请人 PANASONIC CORP 发明人 SUMA TOSHINARI;MITA HIDEAKI;OKADA TAKAFUMI
分类号 G06F12/00;G06F3/06;G11B20/10;G11B20/18;G11B27/00;G11B27/10 主分类号 G06F12/00
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