Repeater for smoke and similar alarms

Details Repeater for smoke and similar alarms Repeater for smoke and similar alarms

1977-10-07

1980-02-19

Waring, Alvin H.

Communications: electrical

Condition responsive indicating system

With particular coupling link

340531, 340628, G08B 1710

Patent

active

041897200

ABSTRACT:
A repeater is provided for a smoke alarm or similar alarm device which picks up the sound from the alarm device and transmits a coded radio signal to a receiver at a remote location. This receiver includes an integrator set for some convenient time interval to prevent false triggering. In accordance with a preferred embodiment of the invention, the receiver may incorporate a location indicator and be used with a plurality of transmitters.

REFERENCES:
patent: 3192516 (1965-06-01), Simpkins et al.
patent: 3257653 (1966-06-01), McCorkindale

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