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Light measurement system for living body

  • US 20050288592A1
  • Filed: 01/27/2005
  • Published: 12/29/2005
  • Est. Priority Date: 06/23/2004
  • Status: Abandoned Application
First Claim
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1. A measurement method utilized in a light measurement device for a living body to irradiate light onto a subject, receive the light propagated from within the subject, and measure the fluctuation in the metabolic substance concentration within the subject, the method comprising:

  • a first step for installing multiple first and a second sensor arrays including two or more light sources and two or more light detectors on the subject;

    a second step for calculating the maximum position of the fluctuation in the metabolic substance concentration measured by the first and second sensor arrays;

    a third step for calculating whether the maximum position is nearer the sampling point of the first sensor array, or the sampling point of the second sensor array; and

    a fourth step for measuring the change in the metabolic substance concentration by utilizing the first or the second sensor arrays including a sampling point calculated to be in proximity to the maximum position of the third step.

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