Automatic emergency locator system and method

Telephonic communications – Emergency or alarm communications

Patent

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Details

379386, 379396, 340332, H04M 1104

Patent

active

RE0346772

ABSTRACT:
An automatic emergency locator system detects tone dialing of an emergency number, such as 911. Upon detecting this number the system turns on a visual signalling device, such as a flashing strobe light. The signalling device helps personnel responding to the emergency call locate the emergency. The visual signalling device remains on for a set period. Authorized persons can reset the system and turn off the signalling device by dialing a predetermined reset number.

REFERENCES:
patent: 3798325 (1974-03-01), Delisle
patent: 3860762 (1975-01-01), Klaiber et al.
patent: 4003040 (1977-01-01), Browand
patent: 4425480 (1984-01-01), Lischin
patent: 4442319 (1984-04-01), Treidl
patent: 4491690 (1985-01-01), Daley
patent: 4521645 (1985-06-01), Carroll
patent: 4547761 (1985-10-01), Jones
patent: 4596900 (1986-06-01), Jackson
patent: 4791667 (1988-12-01), Havel
Hasten Systems, Greensboro, N.C. "The Hasten 500-911", Owner's Manual, .COPYRGT.1987.

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