Automatic microwave oven with infrared detector

Details Automatic microwave oven with infrared detector Automatic microwave oven with infrared detector

F - Mech Eng,Light,Heat,Weapons

24

C

327/2.4

F24C 7/02 (2006.01) G01J 5/62 (2006.01) H05B 6/68 (2006.01) H05B 6/80 (2006.01)

Patent

CA 1193327

ABSTRACT There is disclosed a microwave oven having a heat chamber, a detector for detecting infrared rays irradiated from an object to be heated in the heating chamber, a chopper for alternately interrupting the incidence of infrared rays to the detector, an oscillator for oscillating a reference signal used for driving the chopper, and a regulator for regulating an output of the detector and a phase of the reference signal at their optimum conditions. The microwave oven according to this invention has an infrared detector which does not require any adjustment of the phase of which the deviation is caused by the fluctuations of power frequency, which is of a small and thin structure and which is capable of detecting the temperatures exactly with high reliability for a long period of time.

404079

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