发明名称 |
Electronic lock and key system |
摘要 |
An electronic lock and key system is provided for controlling access. A passive key provides selective access without having a self contained power source. In a passive transponder arrangement, a passive electronic key processes induced or radiated electronic signals to generate a transponder signal for controlling access.
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申请公布号 |
US4036178(A) |
申请公布日期 |
1977.07.19 |
申请号 |
US19750583136 |
申请日期 |
1975.06.02 |
申请人 |
LEE, BARRY THOMAS;HYATT, GILBERT PETER |
发明人 |
LEE, BARRY THOMAS;HYATT, GILBERT PETER |
分类号 |
A01K11/00;(IPC1-7):A01K5/02 |
主分类号 |
A01K11/00 |
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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