Alarm sound detection device
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United States of America Patent
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Jan 3, 2017
Grant Date -
Sep 18, 2014
app pub date -
Mar 14, 2013
filing date -
Mar 14, 2013
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Abstract
By detecting the specific frequency component included in an alarm sound by a frequency analysis and a period analysis, even under a noisy and echo environment, a reliable, almost-no-false-detecting and small-sized abnormality detection device, which can detect the alarm sound, can be realized and then an integrated security system can be realized.
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