Fire alarm with distinct alarm reset threshold
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United States of America Patent
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-
Aug 15, 2006
Grant Date -
Mar 17, 2005
app pub date -
Nov 10, 2003
filing date -
Sep 12, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A hazard alarm includes: a detector for detecting a hazard parameter; trigger logic; and reset logic. The trigger logic triggers an alarm state when the measured parameter reaches a predetermined trigger threshold. The alarm state is maintained until a reset is successfully performed. The reset logic, upon a reset command, resets the alarm state if the measured parameter is below a predetermined reset threshold, and inhibits resetting of the alarm state if the measured parameter is above the predetermined reset threshold.
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Family
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Cited Art Landscape
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