Method for transmission of alarm signals

Details Method for transmission of alarm signals Method for transmission of alarm signals

H - Electricity

04

M

379/6

H04M 11/04 (2006.01)

Patent

CA 1225760

ABSTRACT OF THE DISCLOSURE The present invention relates to a method for transmission of alarm signals by utilization of an entrance telephone install- ation connected to a public subscriber telephone network and including a selectively addressable telephone number dialling device, in which said telephone number dialling device is connected to one or a number of manually or automatically operable alarm indicators, which when operated initiate dialling of predetermined telephone numbers.

461164

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