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:
Aug. 04, 1998
Filed:
May. 31, 1996
Applicant:
Inventor:
Guichao Hua, Blacksburg, VA (US);
Assignee:
Virginia Power Technologies, Inc., Blacksburg, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M / ;
U.S. Cl.
CPC ...
363 20 ;
Abstract
A family of consolidated soft-switching AC/DC PFC converters, for power supplies and related uses. Any of several effective circuitry designs is interposed from an intermediate node on a rectified positive lead to a preselected intermediate node operative as a high-frequency AC source in a DC/DC conversion stage. Features so optimizable, individually or in combination, include power factor, regulation, and efficiency, plus reduction in circuit complexity.