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:
Dec. 21, 2021
Filed:
Oct. 15, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Jaedong Park, Daejeon, KR;
Hyunki Cho, Daejeon, KR;
Sang Hoon Lee, Daejeon, KR;
Yean Sik Choi, Daejeon, KR;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/327 (2006.01); G01R 31/385 (2019.01); G01R 19/165 (2006.01); G01R 19/22 (2006.01); B60L 50/50 (2019.01); B60L 1/04 (2006.01);
U.S. Cl.
CPC ...
G01R 31/3278 (2013.01); G01R 19/165 (2013.01); G01R 19/22 (2013.01); G01R 31/385 (2019.01); B60L 1/04 (2013.01); B60L 50/50 (2019.02);
Abstract
A relay diagnosis circuit capable of diagnosing whether a relay connected to a negative electrode of a battery pack normally operates using voltage applied from a positive electrode of the battery pack.