Light transmission based liquid crystal temperature sensor
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United States of America Patent
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Issued Date -
Jun 14, 2007
app pub date -
Nov 1, 2006
filing date -
Nov 4, 2005
priority date (Note) -
Abandoned
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Abstract
A light transmission based liquid crystal temperature sensor system comprising a layer of thermochromic liquid crystals and a light source for transmitting an amount of light through the layer of thermochromic liquid crystals. A temperature control device records and measures at least one of the amount and spectral characteristics of the light transmitted through the layer of thermochromic liquid crystals. A processing device converts the measured amount or spectral characteristics of the transmitted light to temperature.
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