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Monitoring of vital body signals during movement

  • US 9,833,171 B2
  • Filed: 07/27/2011
  • Issued: 12/05/2017
  • Est. Priority Date: 08/04/2010
  • Status: Active Grant
First Claim
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1. A method of monitoring respiration signals on a body of a human or animal, the method comprising:

  • placing at least two tri-axial acceleration sensors on a sternum of said body with the at least two acceleration sensors separated by the point that separates the main body of the sternum and a manubrium in such a way that an angle change induced by said respiration signals differs between said at least two acceleration sensors,using said at least two acceleration sensors to measure respective acceleration vectors; and

    retrieving said respiration signals by applying differential angle measurement to the acceleration vectors measured by said at least two acceleration sensors to extract said respiration signals.

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