Visual fire alert system

Details Visual fire alert system Visual fire alert system

1987-04-24

1989-03-14

Crosland, Donnie L.

Communications: electrical

Condition responsive indicating system

With particular coupling link

340310R, 340310CP, G08B 108, H04M 1104

Patent

active

048128210

ABSTRACT:
A fire alert system providing a visual signal, such as a flashing light, in the event of actuation of one or more heat or smoke-sensing detectors. Each detector is wired to an alarm panel, as is a small signal transmitter having prongs for connection to a wall receptacle in an existing wiring circuit. When a detector is actuated, indicating the presence or possibility of a fire, relay contacts are closed in both the alarm panel and the transmitter to cause a signal to be transmitted through the wiring circuit from the transmitter to one or more receivers, also plugged into receptacles of the wiring circuit for actuation by the signal from the transmitter. A high intensity light associated with each receiver flashes in response to the actuating signal, thereby providing the visible fire alert signal.

REFERENCES:
patent: 2867795 (1959-01-01), Longton et al.
patent: 3462756 (1969-08-01), Mills
patent: 3631433 (1971-12-01), Dix
patent: 3689886 (1972-09-01), Durkee
patent: 4635040 (1987-01-01), Masot

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