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Body component concentration measuring apparatus and method

  • US 20050154268A1
  • Filed: 12/03/2004
  • Published: 07/14/2005
  • Est. Priority Date: 01/12/2004
  • Status: Abandoned Application
First Claim
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1. A body component concentration measuring apparatus for measuring a concentration of a body component in a measuring portion of a living body, the apparatus comprising:

  • a light source for emitting light;

    a diffraction grating being movable to disperse light emitted from the light source into light components having a plurality of wavelength bands;

    a shutter for controlling transmission of the light components having the plurality of wavelength bands;

    a lens for focusing the light components passing the shutter onto the measuring portion; and

    a detector for detecting the light components passing through the measuring portion.

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