Alarm signaling device having a touch-to-silence feature

Details Alarm signaling device having a touch-to-silence feature Alarm signaling device having a touch-to-silence feature

1999-06-02

2000-11-07

Wu, Daniel J.

Communications: electrical

Systems

Timer control

340630, 340521, 340326, 2482922, 200 52R, G08B 100

Patent

active

061442895

ABSTRACT:
An alarm signaling device (10) that is operable to produce an alarm signal in a room when triggered by a fire alarm control panel. The signaling device includes a silencing circuit (24) that can be activated by a person in the room to temporarily extinguish the alarm signal. The silencing circuit includes a timing circuit (30) and a switch (32) consisting of a pair of touch contacts (38, 40) that are activated by body resistance.

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