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. 07, 1992
Filed:
Apr. 23, 1991
Applicant:
Inventors:
Helmut Rettenmaier, Grossaitingen, DE;
Peter Busch, Augsburg, DE;
Assignee:
Siemens Nixdorf Informationssysteme AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M / ;
U.S. Cl.
CPC ...
363 24 ; 363133 ;
Abstract
Current-fed push-pull converter. In a current-fed push-pull converter that is composed of a step-down regulator and of a push-pull controlled transformer, the transformer is connected following the step-down regulator. The converter also has push-pull switches, a transformer unit and at least one DC voltage top circuit for a respective output DC voltage. The transformer unit is formed by an auto transformer.