Infrared thermometer
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United States of America Patent
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Jun 15, 2004
Grant Date -
Sep 5, 2002
app pub date -
Mar 14, 2002
filing date -
Jun 8, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An infrared (IR) thermometer for performing temperature measurement of an object without having contact with the object. The IR thermometer comprises at least one IR sensing element which, upon exposure to IR radiation, produces a response. The IR sensing element comprises a flat themistor flake supported by a substrate. The IR thermometer further comprises a processing circuit which analyzes the response to predict the steady-state response of the at least one IR sensing element and temperature of the object. In one embodiment, the processing circuit may obtain two or more responses separated by a predetermined period of time to predict temperature of the object. The processing circuit may also associate reference data in its prediction algorithm.
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