US Patent 7035679 Wavelet-based analysis of pulse oximetry signals
Patent 7035679 was granted and assigned to Cardiodigital Limited on April, 2006 by the United States Patent and Trademark Office.
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Patent abstract
A pulse oximetry signal, suitably a photoplethysmogram (PPG), is decomposed by wavelet transform techniques, and the decomposed signal analysed to provide selected physiological data. The signal may be processed to remove noise, artefacts, or transient features. Information on respiration may also be recovered.
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Patent Inventor Names
James Nicholas Watson0
Paul Stanley Addison0
Date of Patent
April 25, 2006
0Patent Application Number
104809830
Date Filed
June 21, 2002
0Patent Primary Examiner
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US Patent 7035679 Wavelet-based analysis of pulse oximetry signals
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