Fire alarm system, sensor and method
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United States of America Patent
Stats
-
Oct 3, 1989
Grant Date -
N/A
app pub date -
May 18, 1987
filing date -
May 19, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A fire alarm system, sensor and method for determining a fire by detecting a change in a temperature, smoke density and/or gas concentration due to a fire. The detection data values of the respective analog sensors are corrected based on areas of supervisory regions of the respective analog sensors which are defined by walls, beams or inwardly extending projections surrounding the respective analog sensors, and/or heights from the floor of the respective analog sensors. The fire determination is carried out based on the corrected data.
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