发明名称 STORAGE MEDIA ACCESS SYSTEM
摘要 PROBLEM TO BE SOLVED: To prevent unlawful use by keeping the security in a rewritable external storage media. SOLUTION: Although a user can access to the external storage media 2 from a personal computer (PC) 1, the user cannot access to the external storage media 2 from the PC 1 except a predetermined access management program 3 on the external storage media 2. The user obtains a list of file of a file 4 recorded on the external storage media 2 and the contents of the file so that the concealment of the file can be attained so as to prevent unlawful use. COPYRIGHT: (C)2004,JPO
申请公布号 JP2004110588(A) 申请公布日期 2004.04.08
申请号 JP20020274094 申请日期 2002.09.19
申请人 RICOH CO LTD 发明人 YAMAGATA JUNICHI;KUNIEDA TAKAYUKI;WAKITA YOSHIKI;FURUKAWA TAKAHIRO;MORITOMO ICHIRO
分类号 G06F12/14;G06F3/06;G06F12/00;G06F21/24;G11B20/10;G11B20/12;G11B27/00;(IPC1-7):G06F12/14 主分类号 G06F12/14
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