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:
Jan. 26, 2021

Filed:

Sep. 10, 2019
Applicant:

Huawei Technologies Co., Ltd., Shenzhen, CN;

Inventors:

Dianbo Fu, Frisco, TX (US);

Zhaohui Wang, Shanghai, CN;

Lei Shi, Shanghai, CN;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02M 3/07 (2006.01); H02M 7/483 (2007.01); H02M 7/487 (2007.01); H02M 7/515 (2007.01); H02M 7/5387 (2007.01); H02M 7/49 (2007.01);
U.S. Cl.
CPC ...
H02M 7/487 (2013.01); H02M 7/483 (2013.01); H02M 7/49 (2013.01); H02M 2007/4835 (2013.01);
Abstract

A method comprises during a first half cycle, configuring a first switch to operate as an always-on switch, turning on a second switch prior to turning on a third switch and turning off the third switch prior to turning off the second switch, wherein the first switch and the second switch are connected in series and further in parallel with the third switch between a first terminal of a power source and a filter and during a second half cycle, configuring a fourth switch to operate as an always-on switch, turning on a fifth switch prior to turning on a sixth switch and turning off the sixth switch prior to turning off the fifth switch, wherein the fourth switch and the fifth switch are connected in series and further in parallel with the sixth switch between a second terminal of the power source and the filter.


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