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:
Dec. 31, 1991
Filed:
Sep. 19, 1990
Applicant:
Inventors:
Assignee:
Fuji Electric Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M / ;
U.S. Cl.
CPC ...
363 56 ; 363132 ;
Abstract
A power converter section in which two serially connected snubber circuits, each formed by an asymmetrical element, such as a Zenner diode and a capacitor in series, and an auxiliary snubber circuit including a third capacitor coupled across parts of the first two snubber circuits, is disclosed. The described power converter section reduces the number of components and cost necessary for increasing surge voltage suppression.