Infrared non-contact temperature measurement for household appli

Thermal measuring and testing – Temperature measurement – In spaced noncontact relationship to specimen

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Details

374126, 374128, 374149, 219711, G01J 500, H05B 650

Patent

active

061320846

ABSTRACT:
A temperature sensor system for a household appliance, such as a microwave oven, that provides for a non-contact self-calibrating measurement of the temperature of an object disposed in a chamber of the appliance. The system comprises an infrared transmitter and an infrared receiver, as well as a distribution apparatus for coupling the transmitter and receiver to the appliance chamber. A scan pattern of infrared radiation is provided for the chamber and the detected infrared radiation from the chamber is used by a processor to generate an accurate measure of the temperature of the object in the chamber.

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