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:
May. 08, 2001
Filed:
Mar. 08, 1999
Joo-Hyoung Lee, Suwon, KR;
SamSung Electronics Co., Ltd., Kyungki-do, KR;
Abstract
A switching mode power supply apparatus has a low voltage protection circuit with a simple construction. The apparatus is not actuated or have its operation stopped under brown-out conditions where the voltage value of the input is reduced to a predetermined value. The switching mode power supply apparatus includes a first rectifying and smoothing circuit, an actuating power supply unit having an overvoltage protection circuit, a switching transistor, a switching transformer, a switching transformer, a second rectifying and smoothing circuit, a third rectifying and smoothing circuit, a constant-voltage circuit, a first protection circuit, and a second protection circuit.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile