Fire alarm module

Details Fire alarm module Fire alarm module

2006-11-28

2006-11-28

Wu, Daniel (Department: 2612)

Communications: electrical

Systems

Manual alarm telegraph; e.g., other than signal box type

C340S506000, C116S005000

Reexamination Certificate

active

07142093

ABSTRACT:
A fire alarm system comprises one or more fire alarm addressable modules (3), which interface with a fire alarm loop (1) along which data and power may be transmitted, and a voice alarm system comprising one or more amplifiers (6) connected to respective speakers (7) for transmitting voice alarm messages. The or each fire alarm module comprises a message store (22), means for interfacing with an amplifier (6) of the voice alarm system, means for interfacing with the fire alarm loop (1) and means for interpreting signals from the loop (1) and for selecting an appropriate message for transmission from the message store (22).

REFERENCES:
patent: 4881058 (1989-11-01), Berry, III
patent: 5608375 (1997-03-01), Kosich
patent: 5724020 (1998-03-01), Hsu
patent: 6060994 (2000-05-01), Chen
patent: 6400265 (2002-06-01), Saylor et al.
patent: 6778081 (2004-08-01), Matheny

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