US Patent 9536400 Alarm sound detection device
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Patent 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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US Patent 09536400 Alarm sound detection device US Patent 9536400 Alarm sound detection device
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Patent Number
0953640000
Patent Number
953640000
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Patent Jurisdiction
Patent Number
095364000
Date of Patent
January 3, 2017
0Patent Application Number
138293640
Date Filed
March 14, 2013
0Official Website
Patent Primary Examiner
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Patent Jurisdiction
Patent Number
095364000
Date of Patent
January 3, 2017
0Patent Application Number
138293640
Date Filed
March 14, 2013
0Official Website
Patent Primary Examiner
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US Patent 09536400 Alarm sound detection device
Infobox
Is a
Patent jurisdiction
Patent number
09536400
Date of patent
January 3, 2017
Patent application number
13829364
Date Filed
March 14, 2013
Patent primary examiner
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