Emergency telephone number alerting device

Details Emergency telephone number alerting device Emergency telephone number alerting device

1997-09-17

1999-09-28

Kuntz, Curtis A.

Telephonic communications

Emergency or alarm communications

379 45, 455404, H04M 1104

Patent

active

059600616

ABSTRACT:
An emergency telephone number alerting and guidance process to guide emergency responders to the exact scene of an emergency declared by dialing the emergency services notification (ESN) telephone number consisting of the following steps: a decoder detecting the ESN telephone number as it is dialed on the telephone instrument; the decoder communicating via a low power, unlicenced radio link to a remotely located guidance beacon assembly informing it of the presence of the ESN detection; and, the beacon responding to the ESN detection signal by initiating a distress guidance signal. The distress guidance signal comprising of a visual strobe light and a pulsating radio signal which signal may be used by a radio direction finder. A system to implement this guidance process consisting of a decoder and guidance beacon assembly.

REFERENCES:
patent: 4935951 (1990-06-01), Robinson et al.
patent: 4993058 (1991-02-01), McMinn et al.
patent: 5012507 (1991-04-01), Leighton et al.
patent: 5121126 (1992-06-01), Clagett
patent: 5748706 (1998-05-01), Morgan et al.

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