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:
Jun. 28, 2011
Filed:
Feb. 05, 2010
Applicants:
Yuan-hsiang Ho, Zhonghe, TW;
Yung-ruei Chang, Xindian, TW;
Jih-sheng Lai, Blacksburg, VA (US);
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 17/56 (2006.01);
U.S. Cl.
CPC ...
Abstract
A circuit is provided to reduce power loss on switching. A pair of auxiliary switching devices is switched on before a pair of switching devices. The switching devices are switched on after a corresponding capacitor to the auxiliary switching devices is discharged to zero. Thus, the power loss of the switching devices is reduced.