Thermal measuring and testing – Thermal calibration system – By thermal radiation emitting device
Reexamination Certificate
2008-02-04
2009-02-17
Lefkowitz, Edward (Department: 2855)
Thermal measuring and testing
Thermal calibration system
By thermal radiation emitting device
C374S121000, C702S099000, C702S104000
Reexamination Certificate
active
07490980
ABSTRACT:
The present invention discloses a method for calibrating an infrared thermometer, which can obtain a sensitivity of a radiation sensor of an infrared thermometer and a reference resistance of an ambient-temperature sensor of the infrared thermometer. The method of the present invention uses an infrared thermometer to detect two test objects respectively placed in two environments having different ambient temperatures to obtain output signals of the radiation sensor and resistances of the ambient-temperature sensor from the two test objects. Then, the method of the present invention uses the output signals of the radiation sensor and the resistances of the ambient-temperature sensor to work out the sensitivity of the radiation sensor and the reference resistance of the ambient-temperature sensor.
REFERENCES:
patent: 5464284 (1995-11-01), Rall
patent: 6065866 (2000-05-01), Kraus et al.
patent: 7297938 (2007-11-01), Fauci et al.
Huang James
Liao Jason
Weng Vincent
Jagan Mirellys
Lefkowitz Edward
Radiant Innovation Inc.
Rosenberg , Klein & Lee
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