Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Reexamination Certificate
2005-09-06
2005-09-06
Berhane, Adolf (Department: 2838)
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
C363S071000
Reexamination Certificate
active
06940733
ABSTRACT:
A switch state controller generating a pulse train is used in a power converter utilizing a plurality of converter stages all simultaneously controlled by a single switch controlled by said pulse train. On time of the pulse train is controlled according to an input or interim node characteristic of the supply and period is controlled by a characteristic of the output of the converter. This allows development of AC-to-DC converters, including power-factor-correction converters, and DC to DC converters with high conversion ratio with minimal parts count & high reliability.
REFERENCES:
patent: 4648020 (1987-03-01), Vinciarelli
patent: 5682303 (1997-10-01), Goad
patent: 6385059 (2002-05-01), Telefus et al.
patent: 6434021 (2002-08-01), Collmeyer et al.
patent: 6862194 (2005-03-01), Yang et al.
Gu Wei
Kerenyi Larry
Le Khai Minh
Mednik Alexander
Ngo Sang Ton
Berhane Adolf
Harris A. Mitchell
Moy Jeffrey D.
Supertex Inc.
Weiss, Moy & Harris P.C.
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