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. 31, 2015
Filed:
Feb. 08, 2013
Applicant:
Industrial Technology Research Institute, Hsin-Chu, TW;
Inventors:
Po-Yen Chen, Taipei, TW;
Ching-Tsai Pan, Hsinchu, TW;
Assignee:
Industrial Technology Research Institute, Hsin-Chu, TW;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02M 1/12 (2006.01); H02M 1/42 (2007.01);
U.S. Cl.
CPC ...
H02M 1/12 (2013.01); Y02B 70/123 (2013.01); H02M 1/126 (2013.01); H02M 1/4266 (2013.01);
Abstract
The disclosure relates to a passive power factor correction circuit. The passive power factor correction circuit comprises: a filtering device being used for decreasing high order harmonic of an input current; a resonance device being coupled to the filtering device for controlling operation time of the input current; and a suppression device being coupled to the resonance device for suppressing ripple of the input current.