Multichannel photometric measurement apparatus
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United States of America Patent
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Oct 1, 2013
Grant Date -
Jan 26, 2012
app pub date -
Jul 20, 2011
filing date -
Jul 20, 2010
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Abstract
A multichannel photometric measurement apparatus according to one embodiment includes: a single signal generator for generating an initial signal, the initial signal containing a harmonic component for collectively generating a plurality of modulation signals; a light emitting device including a plurality of light sources that are respectively drivable by each of the plurality of modulation signals having different frequencies; a light detector for detecting a plurality of kinds of light emitted from the light emitting device; and discriminating means for discriminating a detected signal output from the light detector per frequency domain of each of the different frequencies for each of the modulation signals.
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