Loose part monitoring method and system
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United States of America Patent
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May 21, 2013
Grant Date -
Dec 23, 2010
app pub date -
Apr 28, 2010
filing date -
Nov 1, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A loose part monitoring method and system for preventing the generation of a false alarm as much as possible, including analyzing a group of detection signals that have been output from a plurality of sensors placed on a wall defining a fluid flow path, wherein the group of detection signals are analyzed for a rising gradient that is related to change in intensity of impulsive sound, a damping time that is related to change of intensity of the impulsive sound, and a frequency spectrum that is related to pitch of the impulsive sound in order to determine whether the group of detection signals are false or true.
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