US Patent 8689607 Apparatus and method of photoacoustic sensor signal acquisition
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Patent abstract
A photoacoustic detector includes first and second microphones carried by an acoustic sensing chamber. Signals from the microphones are processed using lock-in detection to increase the signal-to-noise ratio. An acoustic pressure generator can be incorporated to calibrate the microphones.
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Patent Inventor Names
Gary P. Shubinsky0
Michael Freeman0
Thomas M. Rezachek0
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Patent Citations Received
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Official Website
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US Patent 08689607 Apparatus and method of photoacoustic sensor signal acquisition US Patent 8689607 Apparatus and method of photoacoustic sensor signal acquisition
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Patent Number
086896070
Patent Number
86896070
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Patent Jurisdiction
Patent Number
086896070
Date of Patent
April 8, 2014
0Patent Application Number
131010390
Date Filed
May 4, 2011
0Official Website
Patent Primary Examiner
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US Patent 08689607 Apparatus and method of photoacoustic sensor signal acquisition
Infobox
Is a
Patent jurisdiction
Patent number
08689607
Date of patent
April 8, 2014
Patent application number
13101039
Date Filed
May 4, 2011
Patent primary examiner
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