Infrared sensor with sensor temperature compensation
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United States of America Patent
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Feb 23, 2016
Grant Date -
Dec 24, 2015
app pub date -
Jun 19, 2015
filing date -
Jun 19, 2015
priority date (Note) -
Withdrawn
status (Latency Note)
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Abstract
An infrared sensor for temperature sensing comprises a cap covering a substrate; an IR-radiation filtering window in the cap transparent to IR radiation; a first sensing element comprising a set of N thermocouples on the substrate covered by the cap, whose hot junctions may receive radiation; a second sensing element comprising a set of N thermocouples on the substrate covered by the cap whose hot junctions may not receive radiation; first connection modules for connecting a number N1 of thermocouples of the first sensing element, second connection modules for connecting a number N2 of thermocouples of the second sensing; connecting means for connecting an output of the first connection modules of the first sensing element with an output of the second connection modules of the second sensing element, and an output of the combined outputs of the sensing elements.
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