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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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