Power supply apparatus and image forming apparatus using the...

Details Power supply apparatus and image forming apparatus using the... Power supply apparatus and image forming apparatus using the...

2006-02-21

2006-02-21

Sterrett, Jeffrey (Department: 2838)

Electric power conversion systems

Current conversion

With means to introduce or eliminate frequency components

C363S124000

Reexamination Certificate

active

07002816

ABSTRACT:
A power supply apparatus includes first and second switching elements respectively controlled by first and second clock signals, a first parallel resonance circuit connected between the first switching element and a dc power supply, a second parallel resonance circuit connected between the second switching element and the dc power supply, and a series resonance circuit connected between the first and second parallel resonance circuits. An output voltage of the power supply circuit is obtained from a node in the series resonance circuit.

REFERENCES:
patent: 4355243 (1982-10-01), Tellert
patent: 4679129 (1987-07-01), Sakakibara et al.
patent: 5151852 (1992-09-01), Jacobson et al.
patent: 5159541 (1992-10-01), Jain
patent: 5586017 (1996-12-01), Rohrbeck et al.
patent: 5875103 (1999-02-01), Bhagwat et al.
patent: 5946206 (1999-08-01), Shimizu et al.
patent: 6-197542 (1994-07-01), None
patent: 7-107737 (1995-04-01), None

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