发明名称 SECURITY DEVICE FOR INFORMATION PROCESSOR
摘要 PURPOSE:To improve the total security of an information processor by adding a function to an information processor to count the input interruption time of a user to an input device. CONSTITUTION:A security device utilizes a timer means of an operating system which works with an information processor, and this processor carries out a program A107 and at the same time starts a program B108 as the timer interruption processing at each time interval designated by an interruption means 106. In addition both programs A107 and B108 share the value of a time counter means 109 set in an area of a main storage and monitors the input interruption time of a user. Then both programs work in response to each other. Thus the total security is improved for the information processor.
申请公布号 JPH0480855(A) 申请公布日期 1992.03.13
申请号 JP19900195375 申请日期 1990.07.23
申请人 MATSUSHITA ELECTRIC IND CO LTD 发明人 SUGIHARA MICHIYO
分类号 G06F21/00;G06F15/00 主分类号 G06F21/00
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