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:
Sep. 16, 2008
Filed:
Aug. 17, 2006
Mamoru Tsuruya, Niiza, JP;
Mamoru Tsuruya, Niiza, JP;
Sanken Electric Co., Ltd., Niiza-shi, JP;
Abstract
A switching power supply apparatus comprising: a first transformer, one end of a primary winding thereof being connected to one end of a secondary winding of a converter transformer; a second transformer, one end of a primary winding thereof being connected to another end of the secondary winding of the converter transformer; a reactor connected to both ends of a series circuit having the secondary windings; a smoothing capacitor, one end thereof being connected to the primary windings of transformers; a first diode connected to a connection between the first winding and a second winding of the first transformer and the other end of the smoothing capacitor; and a second diode connected to a connection between a first winding and a second winding of the second transformer and the other end of the smoothing capacitor.