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. 13, 2007
Filed:
Mar. 24, 2005
Ching-fu Hsueh, Bade, TW;
Wan-chin Hsu, Dasi Township, Taoyuan County, TW;
Chih-shin Huang, Taoyuan, TW;
Ching-Fu Hsueh, Bade, TW;
Wan-Chin Hsu, Dasi Township, Taoyuan County, TW;
Chih-Shin Huang, Taoyuan, TW;
Darfon Electronics Corp., Taoyuan, TW;
Abstract
A transformer includes a bobbin, a first magnetic core, a first and a second coils and a second magnetic core. The first magnetic core is disposed in the bobbin. The first coil and the second coil respectively wind around the bobbin. The second magnetic core covers at the exterior of the bobbin. A main magnetic flux is formed between the first magnetic core and the second magnetic core. A lamp driving system includes the above-mentioned transformer and a lamp. The first coil is input by a first voltage signal, the second coil is induced to generate a second voltage signal, and the lamp is driven by the second voltage signal.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile