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Class Information
Number: 399/57
Name: Electrophotography > Control of electrophotography process > Control of developing > Liquid
Description: Subject matter wherein a liquid level, concentration, or additive is controlled in response to a detected condition.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7561815 |
Image forming apparatus that controls development conditions based on paper type |
Jul. 14, 2009 |
| 7546048 |
Method for determining ink usage efficiency in commercial printing processes using pigments and quantitative tests |
Jun. 9, 2009 |
| 7457568 |
Image forming apparatus and method using liquid development in which toner density is determined based on patch image density |
Nov. 25, 2008 |
| 7444093 |
Liquid toner concentration detecting device and method with window in toner container for light passage |
Oct. 28, 2008 |
| 7412179 |
Wet-type electrophotographic image forming apparatus and method for controlling collection of developer |
Aug. 12, 2008 |
| 7406274 |
Controlling apparatus for developing roller, image forming device having the same, and developer controlling method thereof |
Jul. 29, 2008 |
| 7400850 |
Method and apparatus for improving image transfer in liquid electrostatic printing |
Jul. 15, 2008 |
| 7369269 |
Print toner density mode/print media default link |
May. 6, 2008 |
| 7315704 |
Wet-type image forming apparatus, a toner concentration sensing method, and a method for controlling wet-type image forming apparatus |
Jan. 1, 2008 |
| 7263302 |
Detector for detecting abnormality in developer passage, image forming device having the same and detection method thereof |
Aug. 28, 2007 |
| 7248060 |
Test apparatus for evaluating electrical properties of liquid toner and test method for the same |
Jul. 24, 2007 |
| 7088932 |
System and method for measuring charge/mass and liquid toner conductivty contemporaneously |
Aug. 8, 2006 |
| 7082271 |
Image forming apparatus and image forming method using liquid development |
Jul. 25, 2006 |
| 7062202 |
Image forming apparatus and method using liquid development under an image forming condition in which an adhesion amount of toner is substantially saturated |
Jun. 13, 2006 |
| 7054569 |
Wet electrophotographic image forming machine and method for recognizing a use life of a development cartridge used therein |
May. 30, 2006 |
| 7024126 |
Developing unit and density control method in electrophotography |
Apr. 4, 2006 |
| 7004650 |
Developing device using a developing liquid and image forming apparatus including the same |
Feb. 28, 2006 |
| 7003248 |
Liquid image formation apparatus and liquid developing device |
Feb. 21, 2006 |
| 7003236 |
Liquid development apparatus, liquid development method, and image forming apparatus and image forming method using liquid development |
Feb. 21, 2006 |
| 6987935 |
Developer supply and recovery system used with wet electro-photographic image forming apparatus, and method thereof |
Jan. 17, 2006 |
| 6987941 |
Developing liquid coating device, developing device including the same and image forming apparatus including the developing device |
Jan. 17, 2006 |
| 6934480 |
Device and method for measuring image density |
Aug. 23, 2005 |
| 6931217 |
Toner residual amount detection apparatus |
Aug. 16, 2005 |
| 6920306 |
Extraneous matter removal method and image recording equipment with extraneous matter removal feature |
Jul. 19, 2005 |
| 6897002 |
Liquid developer, image-fixing apparatus using the same, and image-forming apparatus using the same |
May. 24, 2005 |
| 6876822 |
Methods for forming and developing an image |
Apr. 5, 2005 |
| 6868246 |
Developing liquid coating device, developing device including the same and image forming apparatus including the developing device |
Mar. 15, 2005 |
| 6829460 |
Liquid image formation apparatus and liquid developing device |
Dec. 7, 2004 |
| 6819888 |
Liquid development apparatus and image formation apparatus |
Nov. 16, 2004 |
| 6819887 |
Apparatus and method for measuring concentration of developer in liquid printer |
Nov. 16, 2004 |
| 6813452 |
Method of determining time to replace developing solution of printer |
Nov. 2, 2004 |
| 6785483 |
Systems and methods incorporating job scheduling to extend the lifetime of an ink sump |
Aug. 31, 2004 |
| 6778799 |
Liquid electrophotographic image forming apparatus using non-volatile ink carrier |
Aug. 17, 2004 |
| 6776099 |
Central-ink supply system for multi-printer systems |
Aug. 17, 2004 |
| 6744996 |
Method of determining liquid toner depletion |
Jun. 1, 2004 |
| 6725006 |
Apparatus and method for image formation with a liquid developer |
Apr. 20, 2004 |
| 6694112 |
Developing device using a developing liquid including a rotatable agitator in a developing liquid reservoir and image forming apparatus including the same |
Feb. 17, 2004 |
| 6694113 |
Ink delivery system and ink delivery method of liquid -type electrophotographic printer |
Feb. 17, 2004 |
| 6687477 |
Toner recycle control system of electrophotographing device using viscous liquid developing solution |
Feb. 3, 2004 |
| 6647220 |
System and method for conditioning a toner before development |
Nov. 11, 2003 |
| 6615004 |
Supplying marking fluid in an imaging system |
Sep. 2, 2003 |
| 6603934 |
Method and apparatus for forming image |
Aug. 5, 2003 |
| 6600884 |
Method and apparatus for forming image |
Jul. 29, 2003 |
| 6600890 |
Apparatus and method for image formation with a liquid developer |
Jul. 29, 2003 |
| 6560420 |
Electrophotographic device for transferring a plural color toner image |
May. 6, 2003 |
| 6551521 |
Automatic etchant regeneration system with highly accurate sensor for monitoring etchant composition |
Apr. 22, 2003 |
| 6542704 |
Device and method for constantly adjusting the concentration and filling level of developing solution in a printing process |
Apr. 1, 2003 |
| 6535700 |
Liquid xerographic developability sensor |
Mar. 18, 2003 |
| 6512900 |
Image forming apparatus having alarm which indicates carrier solvent filter replacement or lack of solvent supply |
Jan. 28, 2003 |
| 6480684 |
Circulation system for an image developer with an agitator motor responsive to an amount of developer in a storage tank |
Nov. 12, 2002 |
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