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:
Feb. 19, 2008
Filed:
Dec. 21, 2006
Applicants:
David Arthur Williams, Andover, MA (US);
Donald R Caron, Windham, NH (US);
Ram Ramabhadran, Waltham, MA (US);
Inventors:
David Arthur Williams, Andover, MA (US);
Donald R Caron, Windham, NH (US);
Ram Ramabhadran, Waltham, MA (US);
Assignee:
Power One, Inc., Camarillo, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/335 (2006.01);
U.S. Cl.
CPC ...
Abstract
There is disclosed a power conversion circuit comprising a transformer having a primary side driven by an input section and a secondary side connected to first and second self-driven synchronous rectifiers. A shutdown section includes a control section adapted to detect a predetermined condition and means for shorting a winding of the transformer upon detection of the predetermined condition.