Continuous strip cold detector
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United States of America Patent
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Dec 14, 1982
Grant Date -
N/A
app pub date -
Jan 14, 1980
filing date -
Jan 14, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A continuous strip sensor for detecting extremely cold temperatures is disclosed. The sensor includes a plurality of series connected sections each of which exhibits a substantial increase in resistance upon exposure to an extremely cold temperature. A detection circuit utilizing the above sensor provides compensation for changes in ambient temperature by means of a compensation-sensor having the same total resistance and resistance-temperature characteristic as the cold sensor. The detection circuit also detects the occurrence of faults in the cold sensor or the compensation-sensor.
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