Microwave sealing structure and microwave oven having the same

Details Microwave sealing structure and microwave oven having the same Microwave sealing structure and microwave oven having the same

2005-03-15

2005-03-15

Leung, Philip H. (Department: 3742)

Electric heating

Microwave heating

Radiation protection

C219S742000, C174S034000

Reexamination Certificate

active

06867404

ABSTRACT:
A microwave sealing structure prevents leakage of microwave to the outside of the cavity in which microwave resonates, in an apparatus using microwave which includes a cavity in which an internal space is formed so that microwave can resonate having an opening, and a door for opening/closing the opening. In the structure, an equivalent impedance circuit, formed with a rim of the opening and a cross-section of the rim of the door to prevent leakage of microwave out of the cavity, is a LC resonant circuit.

REFERENCES:
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patent: 4645892 (1987-02-01), Gustafsson
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patent: 5861612 (1999-01-01), Brodsky et al.
S. Ohkava, H. Watanave and K. Kane, “High Resonance Door Seal for Microwave Oven” (Microwave Power Symposium Digest, 1978).

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