Intelligent remote test/display unit for duct smoke detector

Details Intelligent remote test/display unit for duct smoke detector Intelligent remote test/display unit for duct smoke detector

2005-12-21

2010-11-16

Lu, Shirley (Department: 2612)

Communications: electrical

Condition responsive indicating system

With particular system function

C340S522000

Reexamination Certificate

active

07834755

ABSTRACT:
A remote accessory unit can communicate via a data protocol with one or more displaced duct detector control units. The accessory unit can present status indicators visually, on a per sensor basis. Both audible and visible annunciators can be provided to indicate an alarm condition.

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