 |
|
 |
| |
 |
|
Class Information
Number: 399/89
Name: Electrophotography > Machine operation > Having power supply > Supplying power to charger
Description: Subject matter wherein the power is supplied to a charging unit for charging a photoconductive member.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7599638 |
Image forming apparatus having high voltage power supplies |
Oct. 6, 2009 |
| 7542689 |
Charging device, image forming apparatus, computer readable medium storing charging control program and method for charging control |
Jun. 2, 2009 |
| 7483644 |
Image forming apparatus and high voltage power thereof |
Jan. 27, 2009 |
| 7447461 |
Method for charging a photoreceptor to extend the life of a charge receptor in a xerographic printer |
Nov. 4, 2008 |
| 7437089 |
Image forming device having an alternating current frequency regulating apparatus |
Oct. 14, 2008 |
| 7403741 |
Exhaust system of image forming device |
Jul. 22, 2008 |
| 7398405 |
Output system, printing system, printing device management device and printing device, print instruction program, printing device management program and printing device control program, and pr |
Jul. 8, 2008 |
| 7369788 |
Image forming apparatus having high voltage circuit board and driving unit |
May. 6, 2008 |
| 7324772 |
Point-of-load design for high voltage AC power supplies |
Jan. 29, 2008 |
| 7302200 |
Image forming apparatus |
Nov. 27, 2007 |
| 7260340 |
System and method for transfer of an electrical voltage to/from a rotating roller |
Aug. 21, 2007 |
| 7239823 |
Electrophotographic image forming apparatus, process cartridge and discharge preventing mechanism |
Jul. 3, 2007 |
| 7224920 |
Sheet processing apparatus and control method thereof |
May. 29, 2007 |
| 7215901 |
Process cartridge and electrophotographic image forming apparatus |
May. 8, 2007 |
| 7215908 |
Non-contact bias charge roll biased with burst modulation waveform |
May. 8, 2007 |
| 7190917 |
Image forming apparatus with divided output of DC high voltage source |
Mar. 13, 2007 |
| 7173720 |
Image forming apparatus with power saving characteristics |
Feb. 6, 2007 |
| 7158245 |
Printer and power save control method for the same |
Jan. 2, 2007 |
| 7149447 |
Image forming device having an electrifying member in contact with an image carrier |
Dec. 12, 2006 |
| 7139501 |
Charge voltage control circuit and image forming apparatus which controls a charge voltage based on a discharge current |
Nov. 21, 2006 |
| 7130557 |
Process cartridge and electrographic image forming apparatus |
Oct. 31, 2006 |
| 7058333 |
Color image forming apparatus |
Jun. 6, 2006 |
| 7054574 |
Method for charging a photoreceptor to extend the life of a charge receptor in a xerographic printer |
May. 30, 2006 |
| 7050732 |
Electrophotographic image-forming apparatus and charging voltage control method thereof |
May. 23, 2006 |
| 7024125 |
Charging device and image forming apparatus |
Apr. 4, 2006 |
| 6954600 |
Electric contact member applying voltage to charger, process cartridge, and image forming apparatus |
Oct. 11, 2005 |
| 6845222 |
IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS FOR SUPPRESSING MOVEMENT OF DEVELOPER ONTO THE ELECTROSTATIC LATENT IMAGE CARRIER WHEN THE VOLTAGES APPLIED TO THE CHARGING AND DEVELOPING DEVI |
Jan. 18, 2005 |
| 6842594 |
Intermittent DC bias charge roll AC cleaning cycle |
Jan. 11, 2005 |
| 6842591 |
Method of controlling charging potential of conductive roller in printer and apparatus therefor |
Jan. 11, 2005 |
| 6807389 |
Bias charge roller with optimally induced AC corona |
Oct. 19, 2004 |
| 6763207 |
Intermittent DC bias charge roll with DC offset voltage |
Jul. 13, 2004 |
| 6650851 |
Combined charge/recharge xerographic power supply |
Nov. 18, 2003 |
| 6560426 |
Image forming apparatus |
May. 6, 2003 |
| 6516158 |
Image forming apparatus and process cartridge comprising a charging member for charging an image bearing member through contact with the image bearing member |
Feb. 4, 2003 |
| 6501921 |
High voltage generating circuit for a toner system printer |
Dec. 31, 2002 |
| 6449446 |
Charging device and transfer device |
Sep. 10, 2002 |
| 6311030 |
Charging device in which charging member is contactable with and separable from charged member |
Oct. 30, 2001 |
| 6265046 |
Electrical component having fibers oriented in at least two directions |
Jul. 24, 2001 |
| 6239879 |
Non-contacting communication and power interface between a printing engine and peripheral systems attached to replaceable printer component |
May. 29, 2001 |
| 6192204 |
Control method and circuit for transfer current, and printer having the control circuit |
Feb. 20, 2001 |
| 6173129 |
Image recording apparatus capable of detecting life of a replaceable cartridge |
Jan. 9, 2001 |
| 6072585 |
Method and apparatus for managing the power consumption of a printer |
Jun. 6, 2000 |
| 6055389 |
Electrophotographic printer determining transfer voltage from voltage readings |
Apr. 25, 2000 |
| 5839024 |
Corona charging of a charge retentive surface |
Nov. 17, 1998 |
| 5742871 |
High duty cycle sawtooth AC charger |
Apr. 21, 1998 |
| 5673107 |
Serial-type electrophotographic apparatus |
Sep. 30, 1997 |
| 5642254 |
High duty cycle AC corona charger |
Jun. 24, 1997 |
| 5613173 |
Biased roll charging apparatus having clipped AC input voltage |
Mar. 18, 1997 |
| 5600430 |
Split recharge method and apparatus for color image formation |
Feb. 4, 1997 |
| 5596393 |
Image forming apparatus having charging member supplied with oscillating voltage |
Jan. 21, 1997 |
|
|
|
 |
|
 |
|
| |
Randomly Featured Patents |
|
