SENSOR ELEMENT, DEW CONDENSATION SENSOR, HUMIDITY SENSOR, METHOD FOR DETECTING DEW CONDENSATION, AND DEW-POINT MEASUREMENT DEVICE
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United States of America Patent
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Issued Date -
Jul 3, 2014
app pub date -
May 30, 2012
filing date -
Jun 13, 2011
priority date (Note) -
Abandoned
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Abstract
A dew condensation sensor is described, including a nano-composite for generating local surface plasmon resonance, a light reflecting member disposed on one side of the nano-composite, a protection layer laminated on the light reflecting member, a light source/light receiver disposed facing the nano-composite, a spectroscope (or photo-detector) for detecting the light reflected by the light source/light receiver, a controller connected to the light source/light receiver and the spectroscope (or photo-detector) and used for overall control thereof, and a display unit connected to the controller. The dew condensation sensor detects occurrence of dew condensation based on the variation in the absorption spectrum, the absorption intensity or the reflected-light intensity of the local surface plasmon resonance of the nano-composite.
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