Cooking appliance and method with a sensor

Details Cooking appliance and method with a sensor Cooking appliance and method with a sensor

F - Mech Eng,Light,Heat,Weapons

24

C

F24C 7/02 (2006.01) F24C 7/08 (2006.01) G01V 8/12 (2006.01) H05B 6/68 (2006.01)

Patent

CA 2097552

ABSTRACT OF THE DISCLOSURE A microwave oven has a photosensor to detect an objected in a cooking compartment. The photosensor, including a light emitter and a light receiver, detects whether a turntable is absent or present in the cooking compartment. The light emitter projects a plurality of pulses of light in sequence. A controller counts the number of pulses of light detected by the light receiver and controls the oven based on the number of pulses of light detected as compared to the number of pulses of light emitted.

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