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:
Oct. 04, 2011
Filed:
Sep. 30, 2008
Hung-ching LU, Taipei, TW;
Te-lung Shih, Taipei, TW;
Hung-Ching Lu, Taipei, TW;
Te-Lung Shih, Taipei, TW;
Tatung Company, Taipei, TW;
Tatung University, Taipei, TW;
Abstract
The invention provides a single-stage electronic ballast for a fluorescent lamp, comprising a boost circuit and a load unit. The boost circuit includes a first inductor, a first capacitor, a first diode and at least a switch, wherein the positive terminal of the first diode is connected to the first inductor, and the negative terminal of the first diode is connected to the at least a switch. The load unit includes at least a fluorescent lamp, two terminals of the first capacitor are respectively connected to the at least a load unit, and the at least a switch is connected to the load unit for controlling its turning-on and turning-off, wherein the boost circuit and the load unit share the at least a switch.