US Patent 7843565 Optical gas monitor
Patent 7843565 was granted and assigned to California Institute of Technology on November, 2010 by the United States Patent and Trademark Office.
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Patent abstract
A frequency modulated spectroscopy system, including a photo-detector, a band-pass filter to filter the output of the photo-detector, and a rectifier to demodulate. The band-pass filter has a relatively high Q factor. With the high Q factor band-pass filter and rectifier, a reference sinusoid is not required for demodulation, resulting in phase-insensitive spectroscopy. Other embodiments are described and claimed.
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Patent Inventor Names
Andrei Deev0
Sheng Wu0
Steve L. Palm0
William A. Goddard0
Yongchun Tang0
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US Patent 07843565 Optical gas monitor US Patent 7843565 Optical gas monitor
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Patent Number
07843565
Patent Number
7843565
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Official Website
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US Patent 07843565 Optical gas monitor
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Is a
Current assignee
Patent jurisdiction
Patent number
07843565
Date of patent
November 30, 2010
Patent application number
11807538
Date Filed
May 29, 2007
Patent primary examiner
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