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:
Feb. 28, 2023
Filed:
May. 14, 2021
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 ...
H02J 50/12 (2016.01); H02H 7/125 (2006.01); H02H 9/04 (2006.01); H02H 3/20 (2006.01);
U.S. Cl.
CPC ...
H02J 50/12 (2016.02); H02H 7/1252 (2013.01); H02H 3/20 (2013.01); H02H 9/04 (2013.01);
Abstract
A device includes a rectifier connected to a receiver coil, a first overvoltage protection apparatus connected between inputs of the rectifier and ground, and a second overvoltage protection apparatus connected between an output of the rectifier and ground, wherein in an overvoltage event, the first overvoltage protection apparatus and the second overvoltage protection apparatus are controlled based upon a comparison between a switching frequency of the device and a predetermine frequency threshold.