Electric heating – Microwave heating – With control system
Patent
1995-12-29
1997-08-12
Leung, Philip H.
Electric heating
Microwave heating
With control system
219705, 219710, 99325, H05B 668
Patent
active
056561911
ABSTRACT:
A method for controlling cooking by using a vapor sensor in a microwave oven measures and records a magnitude of a detecting signal from the vapor sensor in response to water vapor generated from food subjected to heating. When the temperature of food is judged to exceed a predetermined temperature on the basis of the measured magnitude of the detecting signal, a control section compares the average magnitudes of the detecting signals from the vapor sensor with reference magnitudes to judge whether the temperature of food subjected to heating corresponds to a reasonable temperature. If the temperature of food is lower than the reasonable temperature, the food is additionally heated for a preset time. Thus, the outputs of the vapor sensor varied according to the sizes of containers filled with food are selectively controlled to prevent the malfunction of the vapor sensor caused by the different sizes of containers.
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patent: 4814570 (1989-03-01), Takizaki
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Daewoo Electronics Co. Ltd.
Leung Philip H.
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