Emergency call system

Details Emergency call system Emergency call system

1992-09-14

1994-08-09

Kuntz, Curtis

Telephonic communications

Emergency or alarm communications

Responsive to sensed nonsystem condition

379 58, 379 61, 340539, H04M 1100, H04M 1104

Patent

active

053373421

ABSTRACT:
In order to simplify the use of a portable emergency call device to place calls on a public telephone network, the emergency call receiver for receiving an automated call code signal from the portable device is part of a cordless telephone installation at the premises of a telephone subscriber. That installation includes a memory of telephone numbers subscribers to be alerted to the presence of an emergency call, together with logic for sequencing calls to several subscribers in repeated sequence until one of them receives the emergency call.

REFERENCES:
patent: 4734680 (1988-03-01), Gehman et al.
patent: 4969181 (1990-11-01), Ho
patent: 5077547 (1991-12-01), Burgmann
patent: 5140628 (1992-08-01), Murata et al.
patent: 5155469 (1992-10-01), Hartmann et al.
Jan Hashagen, Hausnotruf Bringt Selbstandigkeit, published in Dec., 1990, in Funkschau, pp. 56-59, and English translation.

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