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:
Aug. 15, 2023
Filed:
May. 29, 2019
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Jaedong Park, Daejeon, KR;
Hyunki Cho, Daejeon, KR;
Assignee:
LG ENERGY SOLUTION, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01H 51/28 (2006.01); H01H 47/22 (2006.01); H01M 10/42 (2006.01); H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
H01H 51/285 (2013.01); H01H 47/22 (2013.01); H01M 10/4264 (2013.01); H02J 7/0031 (2013.01);
Abstract
The present invention relates to a technology that monitors a normal operation state through whether the flow of minute current is maintained in real time when a latch relay is turned on and allows the latch relay to be forcibly turned off through current prestored in a supercapacitor when an off operation of the latch relay is not normally performed.