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.

Date of Patent:
Oct. 15, 2019

Filed:

Dec. 20, 2017
Applicant:

Lg Electronics Inc., Seoul, KR;

Inventors:

Seungwoo Chae, Seoul, KR;

Sanghyeon Kim, Seoul, KR;

Jeongeon Oh, Seoul, KR;

Assignee:

LG ELECTRONICS INC., Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 17/08 (2006.01); H03K 17/082 (2006.01); H03K 17/14 (2006.01); G01R 19/00 (2006.01); H03K 17/567 (2006.01);
U.S. Cl.
CPC ...
H03K 17/08 (2013.01); G01R 19/0092 (2013.01); H03K 17/0828 (2013.01); H03K 17/14 (2013.01); H03K 17/567 (2013.01); H03K 2217/0027 (2013.01);
Abstract

A circuit and a system may drive switching modules. The driving circuit and system are capable of controlling a detection level of a protection voltage of a switching module, by controlling a voltage of a detection circuit for detecting the protection voltage. This may be done based on control of a variable resistance.


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