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发明名称
Dynamic security system
摘要
A security system involving a user includes a token attachable to the user. The token is associated with the user while attached to the user. The association is automatically discontinued when the token is detached from the user.
申请公布号
US2003177370(A1)
申请公布日期
2003.09.18
申请号
US20020099342
申请日期
2002.03.16
申请人
SMITH MARK T.
发明人
SMITH MARK T.
分类号
G07C9/00;H04K1/00;(IPC1-7):H04K1/00
主分类号
G07C9/00
代理机构
代理人
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