Alarm system

Details Alarm system Alarm system

H - Electricity

04

M

H04M 11/04 (2006.01)

Patent

CA 2158738

An alarm installation comprises a central alarm station (9) and a number of alarm units (1). The alarm units can send messages to the central alarm station (9) and the central alarm station (9) can send messages such as voice messages or recorded spoken messages to a number of alert units. All sending and receiving operations are preferably performed on the public telephone network. The alarm units (1) contain at least one operating device (36) and/or detector (29-35) for an emergency situation and will at the activation of such a device or detector send a messsge thereof to the central alarm station (9). The latter receives the message and will send a corresponding messsge, e.g. in the shape of a spoken message, to the different alert places. These different alert places can then be interconnected by the central alarm station (9) in order to interchange information in regard of suitable measures to be made.

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