Intelligent speaker controller for a fire alarm system

Details Intelligent speaker controller for a fire alarm system Intelligent speaker controller for a fire alarm system

G - Physics

08

B

G08B 3/10 (2006.01) G08B 17/00 (2006.01) G08B 25/14 (2006.01) G08B 29/18 (2006.01)

Patent

CA 2254708

A speaker controller for a fire alarm system including a control panel and at least one speaker to broadcast tone and/or voice signals during a fire alarm condition acts between the control panel and the at least one speaker. The speaker controller includes a signal recognizer to monitor tone and/or voice signals conveyed to the speaker. Manually actuable switching means are provided to disable the speaker. A reset circuit is responsive to the signal recognizer and resets the switching means thereby to enable the speaker upon a predetermined signal condition being detected by the signal recognizer.

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