Security system using call display

Details Security system using call display Security system using call display

1993-10-01

1996-04-23

Chan, Wing F.

Telephonic communications

Emergency or alarm communications

Responsive to sensed nonsystem condition

379 45, 379 49, 379142, H04M 1100, H04M 1104

Patent

active

055111092

ABSTRACT:
An improved alarm security system is disclosed which provides caller identification information when an alarm panel completes a telephone communication with a central computer. Such information is automatically provided by the telephone network upon initiation of a telephone communication. The central computer can use this information alone or in combination with other information received from the alarm panel to improve reliability and provide a more effective security system.

REFERENCES:
patent: 4465904 (1984-08-01), Gottsegen et al.
patent: 4993059 (1991-02-01), Smith et al.
patent: 5027383 (1991-06-01), Sheffer
patent: 5033076 (1991-07-01), Jones et al.
patent: 5109399 (1992-04-01), Thompson
patent: 5134644 (1992-07-01), Garton et al.
patent: 5311569 (1994-05-01), Brozovich et al.
patent: 5327478 (1994-07-01), Lebowitz

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