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.
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
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