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:
Jan. 15, 2008
Filed:
Sep. 22, 2006
Tien-hsiang Meng, Shenzhen, CN;
Chi-hsiung Lee, Shenzhen, CN;
Tien-Hsiang Meng, Shenzhen, CN;
Chi-Hsiung Lee, Shenzhen, CN;
Hon Hai Precision Industry Co., Ltd., Tu-Cheng, Taipei Hsien, TW;
Abstract
A driving device for driving a plurality of lamps each including a first terminal and a second terminal, includes a power stage circuit (), a transformer circuit () electrically connectable to the power stage circuit, and a current balancing circuit () to balance current of the lamps. The current balancing circuit includes a plurality of current balancing components each comprising two inputs and two outputs. The number of the current balancing components is defined as n, where n is an integer from 2 to n. The inputs of the first current balancing component are electrically connected to a terminal of the transformer circuit. The inputs of the ncurrent balancing component are electrically connected to the outputs of the (n−1)current balancing component. The outputs of each current balancing component are respectively electrically connected to the first terminals of two of the lamps.