Alarm panel with cellular telephone backup

Telephonic communications – Emergency or alarm communications – Responsive to sensed nonsystem condition

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379 39, 379 46, 379 59, H04Q 734

Patent

active

055175473

ABSTRACT:
The present invention provides a simplified system for accommodating an alarm monitoring system to effectively communicate with a remote monitoring station by land lines or by a cellular communication channel. This is accomplished in a manner which reprograms the typical operation of an autotelephone dialer in combination with a particular authorization of a cellular interface. This combination results in a system which is reliable, cost effective, and which can be added to many existing alarm systems, which do not have a cellular capability.

REFERENCES:
patent: 4492820 (1985-01-01), Kennard et al.
patent: 4868859 (1989-09-01), Sheffer
patent: 4887290 (1989-12-01), Dop et al.
patent: 4993059 (1991-02-01), Smith et al.
patent: 5125021 (1992-06-01), Lebowitz
patent: 5131019 (1992-07-01), Sheffer et al.
patent: 5247564 (1993-09-01), Zicker

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