Electrical transmission or interconnection systems – Plural load circuit systems – Control of current or power
Reexamination Certificate
2008-06-16
2011-11-22
Laxton, Gary L (Department: 2838)
Electrical transmission or interconnection systems
Plural load circuit systems
Control of current or power
C363S021120, C307S017000
Reexamination Certificate
active
08063507
ABSTRACT:
A multiple output switching power source apparatus includes first and second transformers each having a primary winding, a first secondary winding, and a second secondary winding; a first control circuit adjusting a time for applying a DC voltage to the primary winding of the first transformer; a first rectifying-smoothing circuit rectifying and smoothing a voltage generated at the first secondary winding of the first transformer and providing a first output voltage; a second control circuit adjusting a time for applying the DC voltage to the primary winding of the second transformer; a second rectifying-smoothing circuit rectifying and smoothing a voltage generated at the first secondary winding of the second transformer and providing a second output voltage; and a third rectifying-smoothing circuit rectifying and smoothing a voltage across a series winding having the second secondary windings of the first and second transformers and providing a third output voltage.
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Laxton Gary L
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Sanken Electric Co. Ltd.
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