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.

Date of Patent:
May. 11, 2004

Filed:

Aug. 15, 2002
Applicant:
Inventors:

Robert Louis Steigerwald, Burnt Hills, NY (US);

Chester Frank Saj, Amsterdam, NY (US);

Assignee:

General Electric Company, Schenectady, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/335 ;
U.S. Cl.
CPC ...
H02M 3/335 ;
Abstract

A low noise, multiple output power supply circuit featuring a plurality of efficient linear regulators comprises a transformer having a primary circuit with a primary transformer input winding and a plurality of secondary circuits. Each secondary circuit has a secondary transformer output winding having the same number of turns of secondary windings. A saturable reactor core is placed in series with at least one selected output winding of at least one selected secondary circuit to subtract a small amount of average voltage, volt-seconds, from the output voltage of the selected output winding to allow different rectified DC voltages to be obtained from different output windings which have the same number of turns.


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