Electric heating – Microwave heating – With diverse-type heating
Patent
1995-12-18
1997-12-16
Leung, Philip H.
Electric heating
Microwave heating
With diverse-type heating
219601, 219738, 174 35R, 174 35MS, H05B 612, H05B 676
Patent
active
056981252
ABSTRACT:
In a microwave oven in combination with induction heating cooker, a shielding plate is mounted on a bottom surface of a heating chamber and an induction coil is provided below the shielding plate in order to cut off microwave provided when cooking food by microwave and to transmit a high frequency magnetic field generated in an induction heating cooking, to thereby selectively performing induction heating cooking and microwave cooking. The microwave oven includes a shielding plate having a first metal line part where a plurality of metal lines are parallely arranged at regular intervals and a second metal line part where a plurality of metal lines are also parallely arranged at regular intervals being crossed to the first metal line part at a predetermined angle, and an induction coil being disposed below the shielding plate for generating an induction current when power is supplied.
REFERENCES:
patent: 3206536 (1965-09-01), Goodloe
patent: 4211910 (1980-07-01), Kusunoki et al.
patent: 4414425 (1983-11-01), Bogner
patent: 5110651 (1992-05-01), Massard et al.
patent: 5177333 (1993-01-01), Ogasawara
patent: 5334800 (1994-08-01), Kenney
Leung Philip H.
LG Electronics Inc.
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