The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 21, 1996
Filed:
Dec. 23, 1994
Chun S Gong, Kyungsangnam-Do, KR;
Goldstar Co., Ltd., Seoul, KR;
Abstract
An improved automatic thawing apparatus for a microwave oven capable of advantageously thawing food which includes a heating chamber for a food placement therein; a microwave generator for providing microwave energy into the heating chamber in order to heat the food therein; at least one amplifier for amplifying signals detected by a thawing state detection circuit to a predetermined level; a bias voltage control circuit for generating bias signals for initializing an output signal of the amplifier to a predetermined level in beginning of the thawing operation; and a control circuit for controlling the initialization of the output signal of the amplifier to the predetermined level by controlling the bias voltage control circuit, for judging the thawing state of the food in the heating chamber in response to the signal outputted from the amplifier, and for outputting control signals to the microwave generator in accordance with such judgement.