Telephone activated emergency light system

Details Telephone activated emergency light system Telephone activated emergency light system

1989-03-06

1991-04-30

Ng, Jin F.

Telephonic communications

Emergency or alarm communications

379386, 379396, H04M 1104

Patent

active

050125079

ABSTRACT:
A system for speeding response time to a telephone request for emergency assistance. The system passively monitors all dialing from the particular premises and responds to dialing of predesignated emergency numbers by activating an indicator such as a strobe light or a flashing lamp visible at some distance from the premises to positively identify the location of the emergency and attract relief personnel arriving into the area.

REFERENCES:
patent: 2278504 (1942-04-01), Wingardner
patent: 3798375 (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: 4521645 (1985-06-01), Carroll
patent: 4547761 (1985-10-01), Jones
patent: 4596900 (1986-06-01), Jackson
patent: 4791658 (1988-12-01), Simon et al.
patent: 4878236 (1989-10-01), Ray et al.
Hasten Systems, Greenboro, NC, "The Hasten 500-911" Owner's Manual, .COPYRGT.1987.

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