Activator circuit responsive to power line disturbances

Details Activator circuit responsive to power line disturbances Activator circuit responsive to power line disturbances

2007-05-08

2007-05-08

La, Anh V. (Department: 2612)

Communications: electrical

Condition responsive indicating system

With particular coupling link

C340S538160, C340S315000, C340S315000, C340S635000

Reexamination Certificate

active

11140089

ABSTRACT:
An activator circuit responsive to power line disturbances. In condition of false alarm, the user will toggle a local light switch causing electrical disturbances on the power line. The activator circuit detects these disturbances and activates an output, which is further connected to the silence function on the detector, silencing the false alarm. The activator circuit comprising a power line interface circuit, a signal conditioning circuit, a threshold detector circuit, a pulse train comparison circuit and an output circuit.

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