Spectrometer
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Dec 30, 2014
Issued Date -
N/A
app pub date -
Oct 8, 2012
filing date -
Nov 2, 2011
priority date (Note) -
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Abstract
A spectrometer includes a light source section that includes a plurality of LEDs having different emission wavelengths, a variable wavelength interference filter that selectively extracts light of a predetermined wavelength, a detector that detects the amount of light, and a control circuit section. The control circuit section includes a mode switching section that switches a calibration mode and a measurement mode, an outside light analysis section that analyzes characteristics of outside light in the calibration mode, a reference light setting section that set the amount of light emitted from each of the LEDs on the basis of the characteristics of the outside light, and a light source driving section that drives each of the LEDs on the basis of the amount of light emitted which is set in the measurement mode.
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