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.

Date of Patent:
Jul. 02, 2024

Filed:

Jun. 14, 2018
Applicants:

Guangdong Midea Kitchen Appliances Manufacturing Co., Ltd., Foshan, CN;

Midea Group Co., Ltd., Foshan, CN;

Inventors:

Chengyong Qin, Foshan, CN;

Qinghai Li, Foshan, CN;

Nianzhong Zheng, Foshan, CN;

Shinichi Masuda, Foshan, CN;

Yunxiang Zhang, Foshan, CN;

Junliang Ai, Foshan, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 6/66 (2006.01); H01F 27/32 (2006.01); H02M 3/335 (2006.01); H05B 6/68 (2006.01);
U.S. Cl.
CPC ...
H02M 3/33592 (2013.01); H01F 27/325 (2013.01); H05B 6/666 (2013.01); H05B 6/683 (2013.01); H05B 6/687 (2013.01);
Abstract

An electronic transformer and a microwave cooking appliance. The electronic transformer includes a rectifier device, a transformer, a switch device, and a control device. The rectifier device is connected to an alternating current source; the transformer is connected to the rectifier device; the switch device is configured to provide an on/off signal to the transformer; the control device is connected to the switch device; the control device is configured to generate a control signal according to preset power and provide the control signal to the switch device to control the switching frequency of the switch device.


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