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:
Feb. 12, 2013
Filed:
Apr. 07, 2011
Tadahiko Matsumoto, Nagaokakyo, JP;
Tadahiko Matsumoto, Nagaokakyo, JP;
Murata Manufacturing Co., Ltd., Kyoto, JP;
Abstract
An isolated switching power supply apparatus includes a direct-current input power supply, a power transmission transformer including a primary winding and a secondary winding, at least one main switching element configured to perform switching control on a direct-current voltage applied to the primary winding of the power transmission transformer, a rectification circuit that includes at least one rectification switching element and is connected to the secondary winding of the power transmission transformer, a smoothing circuit connected to the secondary winding of the power transmission transformer, a power conversion circuit configured to obtain an output voltage from the smoothing circuit, and a control circuit configured to control an operation of the power conversion circuit.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile