Electric heating – Microwave heating – Field modification
Patent
1997-07-11
1999-10-26
Leung, Philip H.
Electric heating
Microwave heating
Field modification
219748, 219756, H05B 670
Patent
active
059733063
ABSTRACT:
A microwave oven waveguide structure which allows the use of low frequency microwaves which is sufficient for cooking, includes an indent portion in a waveguide which is mounted on one side of the inner housing and to which a microwave generated from the magnetron is transmitted, in a microwave oven having an inner housing for forming a cavity for accommodating food and a magnetron for generating a microwave.
REFERENCES:
patent: 3209113 (1965-09-01), Verstraten et al.
patent: 3492454 (1970-01-01), Smith
patent: 3555232 (1971-01-01), Bleackley
patent: 4035598 (1977-07-01), Van Amsterdam
patent: 4246462 (1981-01-01), Meisel
patent: 4259561 (1981-03-01), Roussy et al.
patent: 4282887 (1981-08-01), Sterzer
patent: 4329557 (1982-05-01), Staats
Leung Philip H.
LG Electronics Inc.
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