发明名称 |
SYSTEM AND METHOD FOR PREVENTING ILLEGAL USE OF A WORK BASED ON TIME |
摘要 |
PURPOSE: A system and a method for preventing illegal use of a work based on time are provided to prevent a user to install a work if allowed time expires, thereby preventing illegal use of a work based on time. CONSTITUTION: An approval server(130) mounts a program for encoding approval time. The approval server generates an approval symbol encoding approval time. If a work is installed, a computer(112) requests the approval symbol. An installation time is compared with an extracted approval time after an installation program of the computer extracts the approval time. |
申请公布号 |
KR20100012290(A) |
申请公布日期 |
2010.02.08 |
申请号 |
KR20080073599 |
申请日期 |
2008.07.28 |
申请人 |
DUALLOG CO., LTD.;KIM, MYUNG SOO |
发明人 |
KIM, MYUNG SOO |
分类号 |
G06F21/12;G06F21/10;G06F21/30;G06F21/51;H04L9/08 |
主分类号 |
G06F21/12 |
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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