Microwave oven with circularly polarized microwave feed structur

Details Microwave oven with circularly polarized microwave feed structur Microwave oven with circularly polarized microwave feed structur

1998-10-27

1999-09-07

Leung, Philip H.

Electric heating

Microwave heating

Field modification

219748, 219750, 219695, H05B 672

Patent

active

059483105

ABSTRACT:
A microwave oven for radiating microwaves generated from a magnetron into a cavity to heat and cook foodstuff disposed therein, the microwave oven comprising an antenna disposed between a magnetron and the cavity for converting the microwaves to circularly polarized waves to radiate same into the cavity, the microwave oven having the advantage in that the foodstuff in the cavity is heated by radiation of the circularly polarized waves, thereby enabling a uniform heating of the foodstuff and improving an absorption efficiency of microwave energy.

REFERENCES:
patent: 4301347 (1981-11-01), Quine
patent: 4324968 (1982-04-01), Smith
patent: 4546225 (1985-10-01), McCammon
patent: 4684776 (1987-08-01), Heard

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