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:
Sep. 15, 2026
Filed:
Aug. 22, 2022
Applicant:
Honor Device Co., Ltd., Shenzhen, CN;
Inventor:
Zhifang Li, Shenzhen, CN;
Assignee:
HONOR DEVICE CO., LTD., Shenzhen, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 27/16 (2006.01); G01R 27/08 (2006.01); G01R 31/58 (2020.01); H02J 7/42 (2026.01); H02J 7/80 (2026.01); H02J 7/90 (2026.01);
U.S. Cl.
CPC ...
G01R 27/16 (2013.01); G01R 27/08 (2013.01); G01R 31/58 (2020.01); H02J 7/42 (2026.01); H02J 7/80 (2026.01); H02J 7/933 (2026.01); H02J 2207/30 (2020.01);
Abstract
This application relates to the field of charging management, and provides a method for detecting impedance of a charging cable, an electronic device, and a power supply device, to more accurately detect impedance of a charging cable. Calculating, by the electronic device, an impedance value of the charging cable according to a first source voltage detection value, a second source voltage detection value, a first final voltage detection value, a second final voltage detection value, a first current value, and a second current value.