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.:

US 7459863 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 02, 2008

Filed:

Sep. 27, 2007
Applicants:

Ching-fu Hsueh, Bade, TW;

Cheng-hsien Chien, Taoyuan, TW;

Wan-chin Hsu, Dasi Township, Taoyuan County, TW;

Inventors:

Ching-Fu Hsueh, Bade, TW;

Cheng-Hsien Chien, Taoyuan, TW;

Wan-Chin Hsu, Dasi Township, Taoyuan County, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 41/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

A transformer for driving multiple lamps includes a core, a primary winding set, a secondary winding set and a balancing winding set. The primary winding set winds around the core and includes a first primary coil. The secondary winding set winds around the core and includes a first secondary coil. The balancing winding set winds around the core and includes a first balancing coil and a second balancing coil which wind around the core in a combinative way. The primary winding set, the secondary winding set and the balancing winding set have the same magnetic-flux loop in the core.


Find Patent Forward Citations

Hsueh, Ching-Fu. (2008). Transformer and multi-lamp driving circuit using the same (U.S. Patent No. 7459863). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7459863

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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