System for annunciating emergencies

Details System for annunciating emergencies System for annunciating emergencies

1987-07-23

1989-12-12

George, Keith E.

Telephonic communications

Emergency or alarm communications

Responsive to sensed nonsystem condition

379 50, 379 57, 340511, 340506, H04M 1104, G08B 2500

Patent

active

048872911

ABSTRACT:
Disclosed is a system that can monitor occupied or unoccupied buildings, and annuciate to a distant point, e.g. a digital pocket paper, emergency events such as burglaries, fires, high or low temperature, high or low flow rate in such devices as boilers and many more. The system has a circuit that makes interfacing with most commercial field detectors especially easy, and a circuit that enables the system to easily access telephone lines, so as to transmit annunciation messages.

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patent: 4618860 (1986-10-01), Mori
patent: 4652859 (1987-03-01), Van Wienen
patent: 4692742 (1987-09-01), Raizen et al.
patent: 4751498 (1988-06-01), Shalvi et al.

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