发明名称 |
Automatic bypass switch for household security system |
摘要 |
An automatic bypass switch comprising an electronic switch circuit responsive to voltage signals generated by the delay circuit and armed status of an electronic alarm system. The output of the bypass switch is connected to one or more detection circuits so as to shunt or prevent activation when the control has been armed until the delay circuit has been activated. From this time until the panel has been disarmed and rearmed again, the controlled detection circuit(s) is active and not shunted.
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申请公布号 |
US4517556(A) |
申请公布日期 |
1985.05.14 |
申请号 |
US19820452509 |
申请日期 |
1982.12.23 |
申请人 |
SUR-GARD SECURITY SYSTEMS LTD. |
发明人 |
SAUL, BEN;HARTLEY, DOUG |
分类号 |
G08B13/00;G08B13/22;G08B23/00;(IPC1-7):G08B23/00 |
主分类号 |
G08B13/00 |
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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