System and method for non-contact temperature sensing
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United States of America Patent
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Jan 11, 2005
Grant Date -
Oct 10, 2002
app pub date -
Apr 9, 2002
filing date -
Apr 9, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed is a temperature sensing device and system including a processor, a memory, and optics for collecting incident infrared energy to produce a temperature signal. The device and system function in accordance with a disclosed method to derive one or more signal parameters from the infrared energy, such as signal strength and signal dilution, and compare the parameter(s) with acceptable, pre-defined limits. A filtered or unfiltered temperature indication is provided if all parameters lies within pre-defined limits, and a different temperature indication is displayed if one or more parameters exceeds pre-defined limits.
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