Communications: electrical – Condition responsive indicating system – Specified housing
Patent
1987-11-16
1989-03-14
Crosland, Donnie L.
Communications: electrical
Condition responsive indicating system
Specified housing
340628, 340691, 340586, 367197, G08B 2300
Patent
active
048128279
ABSTRACT:
The detector assembly combines an electrically powered detector and alarm and an electrical light into a single unit which is removably attachable to a conventional electrical receptacle. The unit includes a closed housing containing a detector and alarm system, and recessed within the housing is a light bulb socket for reception of a light bulb into a face of the housing. Protruding from an opposite face of the housing is an electrical connector capable of removable attachment to a standard electrical receptacle. A sound transmitter in the housing may transmit audible alarm signals to a remote receiver, which may be mounted in another detector assembly at a remote location to cause this detector assembly to emit alarm signals.
REFERENCES:
patent: 4090178 (1978-05-01), Norris
patent: 4365237 (1982-12-01), Knight
patent: 4417235 (1983-11-01), Del Grande
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