发明名称 |
AUTHENTICATION COMMUNICATION SYSTEM, AUTHENTICATION COMMUNICATION APPARATUS, AND AUTHENTICATION COMMUNICATION METHOD |
摘要 |
An authentication communication system is provided that is capable of storing information relating to revoked devices in less area than is conventionally required.A computer unit 30 stores in advance revocation information that indicates at least one revoked apparatus, and when authenticating a driver unit 20 judges, based on the revocation information, whether or not the driver unit 20 is revoked. The computer unit 30 prohibits communication with the driver unit 20 when the driver unit 20 is judged to be revoked, and communicates with the driver unit 20 when the driver unit 20 is judged not to be revoked. |
申请公布号 |
WO03096339(A2) |
申请公布日期 |
2003.11.20 |
申请号 |
WO2003JP05570 |
申请日期 |
2003.05.01 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
OHMORI, MOTOJI;NAKANO, TOSHIHISA;NAGAI, TAKAHIRO;ISHIHARA, HIDESHI;TATEBAYASHI, MAKOTO |
分类号 |
G11B20/00 |
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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