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:
Nov. 29, 2022
Filed:
Nov. 11, 2020
Applicant:
Hangzhou Kiwi Instruments Corporation, Hangzhou, CN;
Inventors:
Assignee:
Hangzhou Kiwi Instruments Corporation, Hangzhou, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/46 (2006.01); H02M 1/08 (2006.01); H02M 3/158 (2006.01); H02M 7/04 (2006.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
G05F 1/465 (2013.01); H02M 1/08 (2013.01); H02M 3/1584 (2013.01); H02M 7/04 (2013.01); H02M 1/0003 (2021.05);
Abstract
A non-isolating AC-DC voltage converting system has two voltage converters. The first voltage converter receives a bus voltage and turns on a power transistor when the bus voltage is at valley regions and to provide an interim voltage which is lower than the bus voltage. The second voltage converter receives the interim voltage and provides an output voltage of the AC-DC voltage converting system.