Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Reexamination Certificate
2006-08-17
2008-09-16
Berhane, Adolf (Department: 2838)
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
Reexamination Certificate
active
07426119
ABSTRACT:
A switching power supply apparatus comprising: a first transformer, one end of a primary winding thereof being connected to one end of a secondary winding of a converter transformer; a second transformer, one end of a primary winding thereof being connected to another end of the secondary winding of the converter transformer; a reactor connected to both ends of a series circuit having the secondary windings; a smoothing capacitor, one end thereof being connected to the primary windings of transformers; a first diode connected to a connection between the first winding and a second winding of the first transformer and the other end of the smoothing capacitor; and a second diode connected to a connection between a first winding and a second winding of the second transformer and the other end of the smoothing capacitor.
REFERENCES:
patent: 4389581 (1983-06-01), Iwasaki
patent: 4499530 (1985-02-01), Onda et al.
patent: 4626976 (1986-12-01), Abe et al.
patent: 5088017 (1992-02-01), Yaginuma et al.
patent: 5124906 (1992-06-01), Kang
patent: 5377090 (1994-12-01), Steigerwald
patent: 5450307 (1995-09-01), Yasumura
patent: 5640310 (1997-06-01), Yasumura
patent: 6324081 (2001-11-01), Sakamoto et al.
patent: 6956748 (2005-10-01), Nakagawa
patent: 2001/0019490 (2001-09-01), Igarashi et al.
patent: 2003/0002301 (2003-01-01), Yamagishi et al.
patent: 2003/0117818 (2003-06-01), Ota
patent: 2004/0004848 (2004-01-01), Yuzurihara et al.
patent: 2004/0037099 (2004-02-01), Nishikawa
patent: 2005/0001680 (2005-01-01), Ratzel
patent: 2005/0068796 (2005-03-01), Morita
patent: 2005/0226015 (2005-10-01), Tsuruya
patent: 2006/0165220 (2006-07-01), Takahashi et al.
patent: 2006/0192774 (2006-08-01), Yasumura
patent: 2002-112465 (2002-04-01), None
Berhane Adolf
Diao M'Baye
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Sanken Electric Co. Ltd.
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