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SENSOR DEVICE AND METHOD FOR MEASURING AND DETERMINING A PULSE ARRIVAL TIME (PAT) VALUE

  • US 20130041268A1
  • Filed: 09/28/2012
  • Published: 02/14/2013
  • Est. Priority Date: 03/29/2010
  • Status: Active Grant
First Claim
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1. A method for measuring and determining a pulse arrival time (PAT) value of a user using a sensor device comprising a photoplethysmographic (PPG) multichannel sensor formed from a plurality of PPG sensor channels and being adapted to measure a set of PPG signals, each PPG signal being measured by one of the PPG sensor channels when the multichannel PPG sensor is in contact with the user;

  • comprising;

    measuring said set of PPG signals;

    extracting a plurality of features from each of the measured PPG signals;

    selecting a subset from the set of PPG signals based on the extracted features; and

    processing the selected subset of PPG signals to determine the PAT value.

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