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:
Apr. 19, 2011
Filed:
Jul. 15, 2008
Hiroshi Usui, Niiza, JP;
Hiroshi Usui, Niiza, JP;
Sanken Electric Co., Ltd., Niiza-shi, JP;
Abstract
An AC-DC converter includes a rectifier DB for rectifying an alternating current supplied from an alternating power source AC, a power factor controllerconnected to an output side of the rectifier DB to improve a power factor and also output either a power or a current limited to a predetermined value, a DC-DC converterthat converts a voltage outputted from the power factor controllerto another voltage, a capacitor EDLC for storing an energy and a two-way converterhaving one input/output terminals connected to the output side of the power factor controllerand the other input/output terminals connected to the capacitor to carry out a two-way power conversion.