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:
Aug. 08, 2006
Filed:
Jul. 22, 2004
Applicants:
Cheng-hsien Chien, Taoyuan, TW;
Ching-fu Hsueh, Bade, TW;
Inventors:
Cheng-Hsien Chien, Taoyuan, TW;
Ching-Fu Hsueh, Bade, TW;
Assignee:
Darfon Electronics Corp., Kweishan Taoyuan, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 27/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
A transformer for a lamp system. A first spindle comprises a first hollow portion. A second spindle comprises a second hollow portion and is arranged in parallel with the first spindle. A first coil is wound around the first spindle. Second coils are wound around the second spindle. The number of second coils is even. Windings of the second coils are approximately equal. The core module is disposed in the first and second hollow portions.