| 摘要 |
A method for automatically controlling cooking by using a vapor sensor in a microwave oven is disclosed. The method for automatically controlling cooking air-cools the cavity for a predetermined time by means of the driving of a fan motor during the automatic cooking operation, and respectively compares magnitude and phase of a signal-processed detecting signal supplied from a detecting signal processing circuit section with magnitude of reference detecting signal and values of reference phases in order to discriminate the polarity of the signal-processed detecting signal. Also, the executing time of the air-cooling operation related to a cooking chamber, which is additionally provided in response to the discriminated polarity, is discriminately adjusted. Therefore, an overcooked or an under-cooked result, caused by an additional air cooling time having a fixed value, is prevented so that the user's expectation of reliability concerning the performance and the life span of the microwave oven are significantly enhanced and satisfied.
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