High frequency heating apparatus and electromagnetic wave detect

Electric heating – Metal heating – Of cylinders

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219 1055F, 219 1055E, H05B 668

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active

052371417

ABSTRACT:
A high frequency heating apparatus and an electromagnetic wave detector for use in the high frequency heating apparatus, are so arranged to estimate the cooking or thawing state of a food article placed in a heating chamber through detection of microwaves within the heating chamber. By devising a position of an antenna and a method of processing signals of the microwaves as detected, stably and reliable microwave detection becomes possible.

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Patent Abstracts of Japan, vol. 014, No. 102 (E-894) 23 Feb. 1990 & JP-A-01 304 688 (Matsushita Electric Industrial Co., Ltd.) 8 Dec. 1989.

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