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:
May. 29, 2012
Filed:
Aug. 18, 2008
Yoichi Kyono, Niiza, JP;
Yoichi Kyono, Niiza, JP;
Sanken Electric Co., Ltd., Niiza-shi, JP;
Abstract
A multiple-output switching power source apparatus includes a control circuit to adjust a time for applying a DC voltage to a primary winding of a transformer by turning on/off a switching element Q, a first rectifying-smoothing circuit for a first secondary winding of the transformer, a second rectifying-smoothing circuit for a switching element Qto provide a second output voltage connected to an output terminal of the first rectifying-smoothing circuit through the switching element Q, a third rectifying-smoothing circuit for a second secondary winding of the transformer and provide a third output voltage, a first end of the second secondary winding of the transformer being connected to the switching element Q, and a control circuitto adjust an ON/OFF time of the switching element Qaccording to the voltage of the first secondary winding of the transformer, the second output voltage, and the third output voltage.