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SimplexGrinnell, a subsidiary of Johnson Controls, is an American company specializing in active fire protection systems, communication systems and testing, inspection and maintenance services. The company headquarters is in Boca Raton , Florida ; corporate sales and marketing offices are in Westminster , Massachusetts , and the company has ...
Pages in category "Fire detection and alarm companies" The following 36 pages are in this category, out of 36 total. This list may not reflect recent changes .
A fire alarm system is a building system designed to detect, alert occupants, and alert emergency forces of the presence of fire, smoke, carbon monoxide, or other fire-related emergencies. Fire alarm systems are required in most commercial buildings.
In 1933, Autocall purchased the Howe Manufacturing Company of Chicago, Illinois and used their proprietary transmitter design to produce the Autocall-Howe system, a high-end fire alarm system targeted at large institutions and industrial plants. By the 1960s, Autocall-Howe systems were installed in many of the United States' largest factories ...
In 1909, Western Union and ADT came under the control of American Telephone & Telegraph Company (AT&T). ADT began to expand into new areas, such as fire alarms and security alarms, between 1910 and 1930, but was kept separate from AT&T's Holmes alarm business. ADT became a publicly traded company in the 1960s. [12]
The company also offers a line of voice-evacuation systems capable of real-voice recording, redundant amplifiers, over 1,000 monitoring and control points for total control. Programming correlations can define fire alarm or other alert messages. Common uses for alert tones include general evacuation, severe weather messages, or other alerts. [6]
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