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Class Information
Number: 399/270
Name: Electrophotography > Image formation > Development > Dry development > Application member > Magnetic brush > Having applied bias
Description: Subject matter wherein the magnetic brush is maintained at a predetermined electrical potential to aid in or influence the development.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7613417 |
Image forming apparatus |
Nov. 3, 2009 |
| 7610002 |
Developing apparatus and image forming apparatus |
Oct. 27, 2009 |
| 7532830 |
Environmental controls for operation of an electrostatographic developer unit having multiple magnetic brush rolls |
May. 12, 2009 |
| 7512351 |
Image forming apparatus which suppresses selective development of toner |
Mar. 31, 2009 |
| 7474867 |
Magnetic carrier, two-component developer, development method, development device and image forming apparatus of electrophotography |
Jan. 6, 2009 |
| 7457570 |
Image forming apparatus including a magnetic brush developing system using a two-component developer comprising toner and carrier |
Nov. 25, 2008 |
| 7457571 |
Image forming apparatus and process cartridge |
Nov. 25, 2008 |
| 7440718 |
Developing apparatus featuring image defect supression |
Oct. 21, 2008 |
| 7418215 |
Developing device with toner and magnetic carrier, and image forming apparatus using the developing device |
Aug. 26, 2008 |
| 7383003 |
Developing apparatus for preventing ghost images and uneven image density |
Jun. 3, 2008 |
| 7362991 |
Image forming apparatus |
Apr. 22, 2008 |
| 7343122 |
Image forming apparatus for preventing worm-shaped image irregularities |
Mar. 11, 2008 |
| 7340203 |
Method and device for cleaning support elements in printers or copiers by means of magnetic fields |
Mar. 4, 2008 |
| 7315711 |
Image forming apparatus, process cartridge and cleaningless system |
Jan. 1, 2008 |
| 7315703 |
Image forming apparatus, image forming system, and image forming method |
Jan. 1, 2008 |
| 7305196 |
Apparatus for and method of controlling high voltage in image forming apparatus |
Dec. 4, 2007 |
| 7260347 |
Image forming apparatus |
Aug. 21, 2007 |
| 7251441 |
Developing apparatus including magnetic field generating means, for use with a developer which includes a magnetic toner component |
Jul. 31, 2007 |
| 7239831 |
Image forming apparatus when a maximum developing bias voltage |V| max and surface potential Vd of a charged image bearing member satisfy: |V| max.ltoreq.|Vd| |
Jul. 3, 2007 |
| 7155150 |
Method and apparatus for developing a latent image using toner grains constituting a developer |
Dec. 26, 2006 |
| 7151238 |
Thermal development apparatus and thermal development process |
Dec. 19, 2006 |
| 7043175 |
Image forming method and apparatus |
May. 9, 2006 |
| 7035576 |
Method and apparatus of developing a latent image formed on a surface of an image carrier |
Apr. 25, 2006 |
| 7035575 |
Developing device, image forming apparatus, and process cartridge |
Apr. 25, 2006 |
| 6965746 |
Hybrid electrophotographic development with toner induction charged via AC induced conductivity |
Nov. 15, 2005 |
| 6954604 |
Electronic photographing apparatus |
Oct. 11, 2005 |
| 6941099 |
Developing device having plurality of biased magnetic sleeves |
Sep. 6, 2005 |
| 6901233 |
Image forming apparatus |
May. 31, 2005 |
| 6871035 |
Developing apparatus |
Mar. 22, 2005 |
| 6856780 |
Method and device for developing a latent image and image forming apparatus using the same |
Feb. 15, 2005 |
| 6829448 |
Image forming apparatus and image forming method |
Dec. 7, 2004 |
| 6823163 |
Image forming apparatus including an electric field having an oscillation component between an image carrier and a developer carrier |
Nov. 23, 2004 |
| 6816696 |
Image forming apparatus provided with developing device using magnetic brush developing method |
Nov. 9, 2004 |
| 6757511 |
Image forming apparatus and method using a magnetic toner brush |
Jun. 29, 2004 |
| 6701114 |
Image forming apparatus and image forming process unit with developer carried on a developer carrier |
Mar. 2, 2004 |
| 6696213 |
Method of developing a latent electrostatic image |
Feb. 24, 2004 |
| 6668146 |
Hybrid scavengeless development using direct current voltage shift to remove wire history |
Dec. 23, 2003 |
| 6512909 |
Image forming process and apparatus and control method thereof |
Jan. 28, 2003 |
| 6507718 |
Method and apparatus for reducing adhesion of carrier to image bearing member |
Jan. 14, 2003 |
| 6507715 |
Image forming apparatus having developing supporters |
Jan. 14, 2003 |
| 6505014 |
Image forming apparatus and an image forming process unit |
Jan. 7, 2003 |
| 6487384 |
Image forming electrophotography apparatus and magnetic developing unit |
Nov. 26, 2002 |
| 6473578 |
Developing apparatus |
Oct. 29, 2002 |
| 6463244 |
Image forming apparatus, developing device therefor and image forming process unit |
Oct. 8, 2002 |
| 6459862 |
Developing apparatus |
Oct. 1, 2002 |
| 6336012 |
Developing device, process cartridge and electric energy supply part to developing roller |
Jan. 1, 2002 |
| 6304738 |
Image forming apparatus wherein toner in a developing device toner and toner on an image bearing member satisfy a prescribed weight average diameter relationship |
Oct. 16, 2001 |
| 6294305 |
Image forming method and image forming apparatus |
Sep. 25, 2001 |
| 6295432 |
Image forming apparatus having an injection charging system and a two component contact development device |
Sep. 25, 2001 |
| 6285841 |
Image forming apparatus using an asymmetric wave pattern of developing bias voltage |
Sep. 4, 2001 |
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