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Personalized nutritional and wellness assistant

  • US 9,820,656 B2
  • Filed: 07/06/2012
  • Issued: 11/21/2017
  • Est. Priority Date: 07/08/2011
  • Status: Active Grant
First Claim
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1. A system capable of transcutaneous measurement of a subject, wherein the system comprises:

  • (a) at least one light source for shining light onto or through tissues of and under skin of the subject;

    (b) at least one light detector for receiving light reflected from the tissues of the subject'"'"'s skin or from the tissues underlying the subject'"'"'s skin and converting the reflected light into a detected signal; and

    (c) at least one component adapted to generate and store at least one value for each of VCO2 and VO2 from the detected signal, wherein VO2 corresponds to an instantaneous rate of oxygen consumption of the subject and wherein VCO2 corresponds to an instantaneous rate of carbon dioxide production by the subject, wherein the at least one component is further adapted to continuously calculate a real-time respiratory quotient of the subject from real-time values of VCO2 and VO2 and to use the real-time respiratory quotient to determine a real-time energy uptake of the subject.

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