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. 23, 2002
Filed:
Jul. 13, 2001
Mercedes Rivas Saiz, Madrid, ES;
Antonio Julian Huertas Blazquez, Madrid, ES;
Jose Andres Navas Sabater, Madrid, ES;
Jaime de la Peña Llerandi, Madrid, ES;
Alcatel, Paris, FR;
Abstract
Universal switched power converter having a transformer that comprises a first winding ( - ) divided into two parts and having an intermediate tap ( - - ), and a second winding ( - ) connected in cascade with rectifier means ( ) and filter means ( ), so that a first current flows through the part of said first winding ( - ) comprised between the end of the primary winding ( - ) connected to a first input terminal ( - ) and the intermediate tap ( - - ) and through a second switching element ( - ) connected to the intermediate tap ( - - ) and to a second input terminal ( - ), when the input voltage applied across the input terminals ( - - ) is close to a first predetermined voltage value and the second switching element ( - ) is in a conducting state.