STATUS INDICATOR FOR TEMPERATURE-SENSITIVE GOODS
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United States of America Patent
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Issued Date -
Feb 27, 2014
app pub date -
Feb 10, 2012
filing date -
Feb 25, 2011
priority date (Note) -
Abandoned
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Abstract
An apparatus that monitors temperature of temperature-sensitive goods includes a gas generation cell, an NTC thermistor, and an indicator device, wherein the gas generation cell, the NTC thermistor and the indication means are coupled to one another such that, when current flows through the NTC thermistor, a quantity of gas equivalent to a quantity of current flowing through the NTC thermistor is generated by the gas generation cell, and the indicator device changes its state and/or its position depending on the generated quantity of gas.
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