Infrared thermometers for minimizing errors associated with ambient temperature transients
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United States of America Patent
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Feb 2, 1988
Grant Date -
N/A
app pub date -
Sep 4, 1985
filing date -
Sep 4, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A thermopile detector means for a temperature measuring instrument physically and electrically configured to supply an output signal which indicates target temperature substantially independent of the influence of ambient temperature changes. The detector means includes a first thermopile device exposed to radiation from the target and a transducer means, preferably a second thermopile device, shielded from the target and connected in series opposition to the first.
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