发明名称 |
Electric lock system |
摘要 |
An electric lock system is disclosed comprising an electro-mechanical lock device including a pair of current terminals and a self-sustaining solenoid circuit, a control device including a pair of current terminals, at least one d.c. current source and means for changing the direction of the d.c. current. The electro-mechanical lock device is put in a locking condition and an unlocking condition according to the application of the d.c. current supplied thereto from the control device through the lead wires and these conditions are detected in the control device via the same lead wires.
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申请公布号 |
US4053939(A) |
申请公布日期 |
1977.10.11 |
申请号 |
US19750634388 |
申请日期 |
1975.11.24 |
申请人 |
KOKUSAI GIJUTSU KAIHATSU KABUSHIKI KAISHA |
发明人 |
NAKAUCHI, SHUNSAKU;TAKAHASHI, AKIFUSA |
分类号 |
E05B47/06;(IPC1-7):H01H47/00 |
主分类号 |
E05B47/06 |
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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