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:
Jan. 24, 2012

Filed:

Nov. 09, 2007
Applicants:

Won-myung Woo, Seoul, KR;

Jin-hyung Lee, Anyang-si, KR;

Kyoung-geun Lee, Suwon-si, KR;

Inventors:

Won-myung Woo, Seoul, KR;

Jin-hyung Lee, Anyang-si, KR;

Kyoung-geun Lee, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

Provided are a method and apparatus for improving the power factor of an input power. The apparatus includes an input unit receiving the input power, a power factor correction unit correcting the power factor of the input power applied to the input unit, and a saturation prevention unit controlling the power factor correction unit such that the corrected power does not exceed a set power limit.


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