Monitoring and signalling system

Details Monitoring and signalling system Monitoring and signalling system

H - Electricity

04

L

340/90

H04L 5/14 (2006.01) G08B 7/06 (2006.01) G08B 25/01 (2006.01) H04M 11/04 (2006.01)

Patent

CA 1152600

22,488 MONITORING AND SIGNALLING SYSTEM ABSTRACT OF THE DISCLOSURE A monitoring and signalling system. The system includes a remote control unit in the residence of an individual and a centralized communication center interconnected with the remote control unit by a tele- phone network. A plurality of sensors are located at strategic locations within the residence and operate to monitor the occurrence of particular activities performed by the individual and to produce signals in response to monitoring the occurrence of the activities. A microprocessor in the remote control unit receives and processes signals produced by the sensors and accum- ulates sensor activity data representing a running tally of the number of times each sensor has monitored its associated activities. The microprocessor is also able to detect a prolonged lack of activity and to initiate an alarm sequence during which steady audible and visual alarm indications are provided in a pre- alarm period and followed by intermittent audible and visual alarm indications while an alarm communication is established and completed with the centralized communications center. Response to the alarm communi- cation is provided at the centralized communications center. The microprocessor is also able on a daily basis to initiate a self-check communication during which the sensor activity data corresponding to the various sen- sors is transmitted to the centralized communications center and processed to identify any sensor which failed to monitor an associated activity since the last self-check operation.

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