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:
Jul. 20, 2010
Filed:
Oct. 30, 2007
Shwang-shi Bai, Tainan County, TW;
Shu-ming Chang, Tainan County, TW;
Hsiu-na Hsieh, Tainan County, TW;
Shwang-Shi Bai, Tainan County, TW;
Shu-Ming Chang, Tainan County, TW;
Hsiu-Na Hsieh, Tainan County, TW;
Himax Technologies Limited, Sinshih Township, Tainan County, TW;
Abstract
A driving system, includes: a power supply unit for providing a first current and a second current; a first transformer having a primary side coupled to the power supply unit and a secondary side coupled to a first current balancing circuit for driving a plurality of first lamps; a second transformer having a primary side coupled to the power supply unit and a secondary side coupled to a second current balancing circuit for driving a plurality of second lamps; a balancing control circuit coupled to the power supply unit for balancing the first and the second current so that the first current and the second current are substantially equal.