发明名称 メモリシステム、メモリ装置、情報処理装置、メモリシステムの動作方法および比較演算器
摘要 PROBLEM TO BE SOLVED: To provide a technique that makes it hard to copy a memory device.SOLUTION: A memory information protection system 1A includes: a memory device 20; and an information processor 10 that executes information processing using information that is read from the memory device 20. The information processor 10 includes: a power controller 110 that supplies power to the memory device 20; a current measurement circuit 120 that measures consumption current that flows from the information processor 10 to the memory device 20; and determination means that calculates the amount of change of the consumption current per unit time as a change rate of the consumption current, and determines whether or not the memory device 20 is an authorized product on the basis of the calculated change rate.
申请公布号 JP6068878(B2) 申请公布日期 2017.01.25
申请号 JP20120191230 申请日期 2012.08.31
申请人 株式会社メガチップス 发明人 菅原 崇彦
分类号 G06F21/10 主分类号 G06F21/10
代理机构 代理人
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