Microwave oven

Details Microwave oven Microwave oven

1998-08-07

2000-05-23

Walberg, Teresa

Electric heating

Microwave heating

Field modification

219748, 219756, 219795, H05B 674

Patent

active

060668415

ABSTRACT:
A microwave oven adapted to radiate microwaves of mutually reverse phases to minimize impedance variation of a waveguide in response to load change of foodstuff, thereby maintaining an output of the microwave at a constant level regardless of load amount of the foodstuff and maintaining an electric field distribution in a cavity at a constant level as well.

REFERENCES:
patent: 5237139 (1993-08-01), Berg et al.
patent: 5438183 (1995-08-01), Hayami et al.
patent: 5567339 (1996-10-01), Joo et al.
patent: 5825000 (1998-10-01), Jun
patent: 5874715 (1999-02-01), Choi

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