Combined microwave oven and grill oven with automated cooking _p

Details Combined microwave oven and grill oven with automated cooking _p Combined microwave oven and grill oven with automated cooking _p

1982-07-15

1984-11-06

Leung, P. H.

Electric heating

Metal heating

Of cylinders

219 1055R, 99DIG14, H05B 668

Patent

active

044813945

ABSTRACT:
A microwave oven is provided with a gas sensor and a heat-sensitive element (i.e. thermistor) within a passageway for outgoing air from the heating chamber. A microcomputer generates a heating stop instruction for a microwave source in response to output signals from the heat-sensitive element and the gas sensor and also in accordance with a stored program in the microcomputer. Based upon the variations with time in the output signal from the gas sensor, the microcomputer decides what kind of foodstuff is being heated and establishes a final level for the gas sensor at the end of microwave heating and a final level for the heat-sensitive element at the end of grill heating. A heating end instruction is issued when both the gas sensor and the heat-sensitive element reach their intended final levels. Furthermore, a compensation value (U) is selected based on the rate of variations in the output from the heat-sensitive element. After the microwave heating has been completed, grill heating is performed for a length of time which is determined by the compensation value (U).

REFERENCES:
patent: 3569656 (1971-03-01), White et al.
patent: 4097707 (1978-06-01), Kobayashi et al.
patent: 4162381 (1979-07-01), Buck
patent: 4317977 (1982-03-01), Buck
patent: 4350860 (1982-09-01), Ueda
patent: 4357513 (1982-11-01), Kawata et al.
patent: 4376131 (1983-03-01), Mori et al.
patent: 4379964 (1983-04-01), Kanazawa et al.
patent: 4383158 (1983-05-01), Niwa

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