| 摘要 |
A toaster-cum-microwave oven includes a toasting chamber, a heating device, a humidity measuring device for measuring an inside humidity of the toasting chamber and producing a humidity signal indicating the measured inside humidity, a switching device for selectively cutting or allowing a power supply to the heating device, and a controlling device. The controlling device receives the humidity signal, calculates a rate of change of humidity using the humidity signal, compares the rate of change of humidity with a predetermined value, and controls the switching device to cut the power supply to the heating device after a remaining cooking time has lapsed if the rate of change of humidity is equal to or greater than the predetermined value.
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