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. 05, 2011
Filed:
Jul. 23, 2009
Applicants:
Gang Yao, ShangHai, CN;
Xuefei Xie, ShangHai, CN;
Inventors:
Gang Yao, ShangHai, CN;
Xuefei Xie, ShangHai, CN;
Assignee:
General Electric Company, Schenectady, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Electronic ballasts and buck-boost DC-DC converters therefor are presented with a buck converter with two switching devices connected with two capacitances and two diodes to limit the individual switching device voltages to around half the converter DC input voltage or less.