| 摘要 |
The invention is a circuit interception switch for an alarm transmission system, and an alarm transmission system having an alarm activating switch, a signal transmitter, and a circuit interception switch interposed therebetween, which alarm transmission system requires two closures of the alarm activating switch for energization of the signal transmitter, the first such closure energizing a device warning the user of such closure so that the system can be reset if such first closure was unintentional.
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