Method and apparatus for automatic cooking in a microwave oven

Details Method and apparatus for automatic cooking in a microwave oven Method and apparatus for automatic cooking in a microwave oven

1991-12-18

1994-02-01

Reynolds, Bruce A.

Electric heating

Microwave heating

With control system

219708, 219710, 364148, 364503, 177145, H05B 668

Patent

active

052834107

ABSTRACT:
Method and apparatus for automatic cooking in a microwave oven capable of an automatic cooking operation even in case of consecutive cooking by discriminating whether the operation mode is an initial operation mode or a consecutive operation mode by receiving an inflow air temperature and an outflow air temperature in the initial operating stage, selecting the initial operation mode or the consecutive operation mode, executing a cooking operation by driving a magnetron and a cooling fan after calculating an arbitrary initial heating time, calculating a difference between the current outflow air temperature and the previous outflow air temperature when the initial heating time has been elapsed, giving a fuzzy membership function and rule for the selected initial operation mode or the consecutive operation mode by the outflow air temperature difference and a weight conversion value, calculating a cooking time by executing a fuzzy operation, calculating an additional heating time by subtracting the initial heating time from the calculated cooking time, and executing continuously the cooking operation for the additional heating time.

REFERENCES:
patent: 3799281 (1974-03-01), Wernitz
patent: 4591684 (1986-05-01), Tanabe et al.
patent: 4593167 (1986-06-01), Nilssen
patent: 4650970 (1987-03-01), Ohouchi
patent: 4696358 (1987-09-01), Doerman et al.
patent: 4713528 (1987-12-01), Hirata
patent: 4831239 (1989-05-01), Ueda
patent: 4910684 (1990-03-01), Ostergaard et al.
patent: 4970359 (1990-11-01), Oh

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