发明名称 |
Information storage medium and electronic device using the same |
摘要 |
Security is ensured by judging agreement with a specific indication, such as a trademark, whose identity is socially recognizable to effectively expel counterfeits from the market. A game machine in which a CD-ROM 17 is mounted on a game machine 10 to play a game based on program information stored in the CD-ROM 17 comprises a recognition sensor 22 reading a trademark indication region 20 on the exterior surface of the CD-ROM 17, and a judging unit judging whether a specific trademark TM is displayed in a trademark indication region, the game based on the program information being prevented from starting or if started stopped when the specific trademark TM is not displayed.
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申请公布号 |
US6102800(A) |
申请公布日期 |
2000.08.15 |
申请号 |
US19970869596 |
申请日期 |
1997.06.05 |
申请人 |
SEGA ENTERPRISES, LTD. |
发明人 |
KITAHARA, ATSUSHI;OWAKI, HIDETAKA |
分类号 |
G11B20/00;G11B23/28;G11B23/40;H04N5/775;(IPC1-7):A63F9/22 |
主分类号 |
G11B20/00 |
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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