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:
Mar. 06, 2012
Filed:
Jun. 19, 2009
Sang-gil Lee, Seoul, KR;
Ju-young Yoon, Suwon-si, KR;
Jong-seo Lee, Hwaseong-si, KR;
Gi-cherl Kim, Yongin-si, KR;
Sang-yu Lee, Yongin-si, KR;
Sang-Gil Lee, Seoul, KR;
Ju-Young Yoon, Suwon-si, KR;
Jong-Seo Lee, Hwaseong-si, KR;
Gi-Cherl Kim, Yongin-si, KR;
Sang-Yu Lee, Yongin-si, KR;
Abstract
A power supply is provided, which includes a DC-DC converter being supplied with an external DC input voltage and a first switching control signal and outputting a duty sensing signal of which a magnitude is varied in accordance with the first switching control signal, the duty sensing signal being indicative of a duty ratio of the first switching control signal, and the DC-DC converter converting the input voltage into a DC output voltage of a predetermined magnitude based on the first switching control signal; and a feedback controlling unit comparing the duty sensing signal with a first reference signal to adjust the duty ratio of the first switching control signal.