Power supply device, fixing device and image forming apparatus

Details Power supply device, fixing device and image forming apparatus Power supply device, fixing device and image forming apparatus

2011-07-26

2011-07-26

Chen, Sophia S (Department: 2852)

Electrophotography

Control of electrophotography process

Control of fixing

C219S216000, C219S619000, C399S088000

Reexamination Certificate

active

07986894

ABSTRACT:
A disclosed power supply device includes a voltage resonance circuit configured to include an output coil for boosting an input direct-current voltage to a predetermined voltage and outputting the boosted voltage to a load and also include a capacitor connected to the output coil; and a switching unit configured to be turned ON/OFF so as to control electric current supply to the output coil. An auxiliary resonance circuit is connected in parallel with the output coil so as to reduce switching losses without using a power control circuit for switching control.

REFERENCES:
patent: 4392230 (1983-07-01), Keller et al.
patent: 7684743 (2010-03-01), Iwahashi et al.
patent: 2003/0081961 (2003-05-01), Umezawa et al.
patent: 2006/0159476 (2006-07-01), Asayama
patent: 2007/0046147 (2007-03-01), Yamashita
patent: 2007/0230987 (2007-10-01), Yamashita
patent: 0 888 033 (1998-12-01), None
patent: 61-37240 (1986-08-01), None
patent: 05-507117 (1993-10-01), None
patent: 2002-237377 (2002-08-01), None
patent: 2003-077646 (2003-03-01), None
patent: 2007-068335 (2007-03-01), None
WO 91/15935 Published Oct. 17, 1991.

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2639724