Power supply device and image forming apparatus having the same

Details Power supply device and image forming apparatus having the same Power supply device and image forming apparatus having the same

2011-01-25

2011-01-25

Gray, David M (Department: 2852)

Electrophotography

Machine operation

Having power supply

C399S037000, C361S235000, C307S017000, C363S021010

Reexamination Certificate

active

07877036

ABSTRACT:
A power supply includes a transformer to transform an input voltage into an output driving voltage for one of a plurality of components of an image forming apparatus, and an output converter to detect the driving voltage being output from the transformer, to amplify the detected driving voltage according to a power control signal, and to output the amplified driving voltage to at least one remaining component in the plurality of components of the image forming apparatus. The power supply can not only control high voltage outputs individually, but also reduces the number of switching transformers being used, as it uses at least one shared switching transformer.

REFERENCES:
patent: 4322786 (1982-03-01), Weber
patent: 4542349 (1985-09-01), Hoeft
patent: 4878143 (1989-10-01), Kalal et al.
patent: 5093654 (1992-03-01), Swift et al.
patent: 5173847 (1992-12-01), Suzuki
patent: 5499154 (1996-03-01), Cullison
patent: 6031362 (2000-02-01), Bradley
patent: 6717389 (2004-04-01), Johnson
patent: 6775164 (2004-08-01), Wong et al.
patent: 6900994 (2005-05-01), Asayama
patent: 7002814 (2006-02-01), Kim et al.
patent: 7336507 (2008-02-01), Inukai
patent: 2001/0031160 (2001-10-01), Tanaka
patent: 2004/0096236 (2004-05-01), Shin
patent: 2004/0208667 (2004-10-01), Nakaya
patent: 2007/0025753 (2007-02-01), Saito et al.
patent: 2007/0121350 (2007-05-01), Duvnjak
patent: 2008/0024092 (2008-01-01), Cho et al.
patent: 2008/0204084 (2008-08-01), Terdan et al.
patent: 2009/0115564 (2009-05-01), Minteer
patent: 61-285463 (1986-12-01), None
patent: 61-285464 (1986-12-01), None
patent: 61-285465 (1986-12-01), None
patent: 61-285466 (1986-12-01), None
European Search Report dated Oct. 17, 2008 issued in EP 08102952.2.

Affiliated with

Also associated with

Rating

Power supply device and image forming apparatus having the same does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Power supply device and image forming apparatus having the same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Power supply device and image forming apparatus having the same will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2651195