Microwave oven with heating unevenness preventing function

Details Microwave oven with heating unevenness preventing function Microwave oven with heating unevenness preventing function

1995-01-27

1996-08-20

Leung, Philip H.

Electric heating

Microwave heating

With control system

219708, 219718, 99325, H05B 668

Patent

active

055481035

ABSTRACT:
A microwave oven includes a control section storing a long period pattern in which each period of on and off times is relatively long and a short period pattern in which each period is shorter than that in the long period pattern. A magnetron is controlled to be turned on and off in accordance with either period pattern. The short period pattern is selected when frozen food is thawed. Since the on time in each period of the short period pattern is short, the frozen food is exposed to microwave for a shortened period of time. As a result, unevenness in the thawing is prevented.

REFERENCES:
patent: 4190756 (1980-02-01), Foerstner
patent: 4453066 (1984-06-01), Mori
patent: 4507531 (1985-03-01), Teich et al.
patent: 4705926 (1987-11-01), Sakai et al.
patent: 4724291 (1988-02-01), Inumada

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