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:
Jul. 27, 2021
Filed:
Sep. 18, 2018
Applicant:
Nuvolta Technologies (Hefei) Co., Ltd., Hefei, CN;
Inventors:
Sichao Liu, Shanghai, CN;
Jinbiao Huang, Nashua, NH (US);
Assignee:
NuVolta Technologies (Hefei) Co., Ltd., Hefei, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H 7/125 (2006.01); H02J 50/12 (2016.01); H02H 9/04 (2006.01); H02H 3/20 (2006.01);
U.S. Cl.
CPC ...
H02H 7/1252 (2013.01); H02J 50/12 (2016.02); H02H 3/20 (2013.01); H02H 9/04 (2013.01);
Abstract
A device comprises a rectifier configured to convert an alternating current voltage into a direct current voltage, a first overvoltage protection apparatus connected to inputs of the rectifier and a second overvoltage protection apparatus connected to an output of the rectifier, wherein the first overvoltage protection apparatus and the second overvoltage protection apparatus are controlled based upon a switching frequency of the device.