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:
Nov. 29, 2011
Filed:
Oct. 07, 2008
Sung Ho Kim, Hwaseong-si, KR;
Kwang Seung Cho, Suwon-si, KR;
Heung Gyoon Choi, Suwon-si, KR;
Samsung Electro-Mechanics Co., Ltd., Suwon-si, Gyunggi-do, KR;
Abstract
A switching mode power supply (SMPS) circuit includes: a rectifying unit that rectifies an AC voltage applied from an AC input terminal; a power factor correction (PFC) and standby voltage output unit that is connected to the rectifying unit and has a PFC part and a standby voltage output part integrated therein; a PFC and standby voltage control unit that is connected to the PFC and standby voltage output unit and controlling the PFC and standby voltage output unit; and a DC/DC conversion unit that is connected to the PFC and standby voltage output unit and outputting a main voltage.