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:
Apr. 08, 2025
Filed:
Feb. 25, 2021
Ls Electric Co., Ltd., Anyang-si, KR;
Chun Suk Yang, Anyang-si, KR;
Deok Young Lim, Anyang-si, KR;
LS ELECTRIC CO., LTD., Anyang-si, KR;
Abstract
The present disclosure provides a switching mode power supply including a feedback circuit unit receiving one of the output voltages as feedback and calculating a compensation voltage for constantly controlling the output voltages, a control unit controlling on/off a duty ratio of the semiconductor switch conducting or cutting off the input circuit according to the compensation voltage, and a protection circuit unit receiving one of the plurality of output voltages to determine whether the feedback circuit unit fails and configured to cut off power of to the control unit when the feedback circuit fails.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile