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:
Sep. 22, 2009
Filed:
Mar. 24, 2005
Tsung-jung Hsieh, Taoyuan Hsien, TW;
Venson Kuo, Taoyuan Hsien, TW;
Yueh-lung Huang, Taoyuan Hsien, TW;
Ming-shi Tsai, Taoyuan Hsien, TW;
Tsung-Jung Hsieh, Taoyuan Hsien, TW;
Venson Kuo, Taoyuan Hsien, TW;
Yueh-Lung Huang, Taoyuan Hsien, TW;
Ming-Shi Tsai, Taoyuan Hsien, TW;
Delta Electronics, Inc., Taoyuan Hsien, TW;
Abstract
A method for controlling a driving circuit. A first switch unit comprises a first switch and a second switch and a second switch unit comprises a third switch and a fourth switch. The first and second switch units are alternately turned on, and each switch is coupled to a blocking element in parallel. The first and second switches of the first switch unit are turned on simultaneously, and the first switch is then turned off. The second switch is turned off when the third and fourth switches are simultaneously turned on.