Telephone activated emergency light system

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...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LEIGHTON, SUZANNE E, HAWKINS, PHILIP D, KEMP, RAYMOND J
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TELEPHONIC COMMUNICATION
Online-Zugang:	Volltext bestellen
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