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. 28, 2009
Filed:
Oct. 31, 2006
Kuo-chi Liu, Tu-Cheng, TW;
Kuo-Chi Liu, Tu-Cheng, TW;
Hon Hai Precision Industry Co., Ltd., Tu-Cheng, Taipei Hsien, TW;
Abstract
A driving device for driving a light source module () includes a first power stage circuit () and a first transformer circuit (). The first transformer circuit is connected to the first power stage circuit, including a first transformer (T), a second transformer (T), a third transformer (T), and a fourth transformer (T). First inputs of primary windings of the first transformer and the fourth transformer, second inputs of primary windings of the second transformer and the third transformer are jointly connected to a positive output of the first power stage circuit, and second inputs of primary windings of the first transformer and the fourth transformer, first inputs of primary windings of the second transformer and the third transformer are jointly connected to a negative output of the first power stage circuit.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile