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Optical system for measuring metabolism in a body and imaging method

  • US 6,128,517 A
  • Filed: 09/08/1998
  • Issued: 10/03/2000
  • Est. Priority Date: 10/06/1994
  • Status: Expired due to Term
First Claim
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1. A living body optical measurement method for measuring a living body transmitting light intensity with respect to a living body which experiences both load-induced-fluctuation and non-load-induced-fluctuation comprising:

  • irradiating light on the living body while alternately setting a loading time during which a load is applied to the living body and an unloading time during which the load is not applied to the living body, wherein a relaxation time following the loading time is set, and a signal corresponding to a fluctuation attributable to the non-load-induced fluctuation of the living body and contained in a measured signal is estimated from a signal obtained during the unloading time exclusive of the relaxation time.

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