Voice warning system for fire accidents

Details Voice warning system for fire accidents Voice warning system for fire accidents

1996-05-16

1998-03-03

Crosland, Donnie L.

Communications: electrical

Systems

Manual alarm telegraph; e.g., other than signal box type

340331, 340332, 340692, 340518, G08B 2508

Patent

active

057240205

ABSTRACT:
A voice warning system for fire accidents including a plurality of fire sensors, a first multiplex selector, a detecting and scanning circuit, a locking circuit, a decoding circuit, a memory circuit, a second multiplex selector, a scanning circuit, a load, a time pulse controlling circuit, a fire emergency assistance calling circuit, and a plurality of loudspeakers 12, the sensors and the loudspeakers being designed to arrange in appropriate positions and the other circuits being disposed with a fire-proof control box, whereby in case of a fire accident, the system will give fleeing instructions to all people in a building through the loudspeakers and will automatically call the fire emergency assistance at the same time.

REFERENCES:
patent: 4258332 (1981-03-01), West
patent: 4531114 (1985-07-01), Topol et al.
patent: 4816809 (1989-03-01), Kim
patent: 4894642 (1990-01-01), Ashbaugh et al.
patent: 5349338 (1994-09-01), Routman et al.
patent: 5460228 (1995-10-01), Butler

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