发明名称 Data storage apparatus, data processing apparatus, information processing system, and data storage method
摘要 The present invention specifies a location by externally receiving a signal, and disables from reading data stored in a recording medium in accordance with the specified location, thereby enabling to perform a process of preventing data leakage when a data storage apparatus is used at a location other than a predetermined location.
申请公布号 US2006212664(A1) 申请公布日期 2006.09.21
申请号 US20050555308 申请日期 2005.11.02
申请人 CANON KABUSHIKI KAISHA 发明人 TAKARAGI YOICHI
分类号 G06F12/14;G06F13/00;G06F15/00;G06F21/00;G09C1/00;H04N1/00;H04N1/44 主分类号 G06F12/14
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