H - Electricity – 04 – J
Patent
H - Electricity
04
J
340/71, 344/1.2
H04J 3/14 (2006.01) H04M 3/10 (2006.01) H04Q 3/00 (2006.01)
Patent
CA 1130407
Abstract Of the Disclosure: A system for centralized reporting of alarm conditions in a multinode data handling system includes an alarm concentration unit at each node of the system for collecting alarm conditions. Each alarm concentration unit is coupledto a signal transmission unit which generates alarm messages and transmits the messages to a centralized node. The centralized node includes means for comparing each received messages with previously received messages stored in a memory and for amending the memory when the most recent received message differs from a previously stored message.
318747
Butcher John A.w.
Salino Michael A.
Smart & Biggar
Standard Telephones And Cables Limited
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