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:
Apr. 23, 2013

Filed:

Jan. 26, 2010
Applicant:

Shohei Osaka, Niiza, JP;

Inventor:

Shohei Osaka, Niiza, JP;

Assignee:

Sanken Electric Co., Ltd., Niiza-shi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 3/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

A power source apparatus includes a first converter having a reactor L, a switching element Q, and a rectifier D; a second converter connected in parallel with the first converter and having a reactor L, a switching element Q, and a rectifier D; a capacitor Cconnected to output ends of the first and second converters; a current detector Rdetecting a resultant current of currents of the first and second converters; a controllerdriving the switching element Qand the switching element Q; and a selector. In a case where the resultant current indicates a first reference value, if one of first and second drive signals of the controller is active, the active drive signal is deactivated, and if both the first and second drive signals are active, one of the first and second drive signals that is active longer than the other is deactivated.


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