Microwave oven with improved microwave power control

Details Microwave oven with improved microwave power control Microwave oven with improved microwave power control

1989-02-02

1991-02-05

Leung, Philip H.

Electric heating

Metal heating

Of cylinders

219 1055C, H05B 668

Patent

active

049907336

ABSTRACT:
A microwave oven for heating food, in which power control is by pulsing a microwave source during a sequence of operation periods. The start moment of the microwave source is sensed during each operation period, and the switch on time of the microwave source during each operation period is calculated from the sensed start moment. Start moment related variations in supplied average power level are eliminated.

REFERENCES:
patent: 3784781 (1974-01-01), Foerstner et al.
patent: 4005370 (1977-01-01), Kusunoki et al.
patent: 4300032 (1981-11-01), Niu et al.
patent: 4420668 (1983-12-01), Larson et al.
patent: 4481393 (1984-11-01), Ueda
patent: 4507531 (1985-03-01), Teich et al.
patent: 4617438 (1986-10-01), Nakata

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