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Class Information
Number: 399/46
Name: Electrophotography > Control of electrophotography process > Of plural processes
Description: Subject matter wherein a means or method is provided for a controlling operation of two or more image-forming processes (i.e., charging, exposing, developing, or transfer) in response to a sensed or changed condition.


Sub-classes under this class:

Class Number Class Name Patents
399/47 Having detection of exposure light 41
399/48 Having detection of photoconductor potential 111
399/49 Having detection of toner (e.g., patch) 599


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
7612570 Surface-potential distribution measuring apparatus, image carrier, and image forming apparatus Nov. 3, 2009
7612919 Printing apparatus and control method Nov. 3, 2009
7587148 Image formation apparatus, an image formation method, an image formation program, and a recording medium Sep. 8, 2009
7539429 Image forming apparatus having a stable image density May. 26, 2009
7515860 Image forming method and image forming apparatus for same Apr. 7, 2009
7460800 Image forming apparatus with adaptive pre-processing and post-processing based on usage history Dec. 2, 2008
7457552 Image forming apparatus and control method thereof Nov. 25, 2008
7379681 Image forming apparatus and control method thereof May. 27, 2008
7307754 Density control method for image control apparatuses and image forming apparatus capable of executing the method Dec. 11, 2007
7292798 Image-forming device that sets image-forming conditions Nov. 6, 2007
7289133 Method and apparatus for toner identification Oct. 30, 2007
7273688 Image forming method and image forming apparatus for same Sep. 25, 2007
7251422 Image correction method and image forming apparatus Jul. 31, 2007
7164868 Image forming apparatus with changeable image forming conditions due to changes in a surface layer thickness of an image bearing member Jan. 16, 2007
7162169 Control system and method for mitigating transients in a machine due to occasional maintenance or service Jan. 9, 2007
7151901 Image forming apparatus and associated method of detecting developer deterioration Dec. 19, 2006
7127187 Tone reproduction curve and developed mass per unit area control method and system Oct. 24, 2006
7125638 Image forming method and image forming apparatus for same Oct. 24, 2006
7123850 Control system and method for mitigating transients in a machine due to occasional maintenance or service Oct. 17, 2006
7106983 Color image forming apparatus Sep. 12, 2006
7058326 Color image forming apparatus Jun. 6, 2006
7039333 Developing device having developing gap detecting function May. 2, 2006
7031627 Image forming apparatus and method having speed control units for setting speeds of a driving unit Apr. 18, 2006
7027139 Photosensor apparatus and image forming apparatus Apr. 11, 2006
6937826 Image forming apparatus and program for controlling image forming apparatus Aug. 30, 2005
6898387 Image processing apparatus and image processing method May. 24, 2005
6853816 Image forming apparatus and method for adjusting magnification of image information Feb. 8, 2005
6829445 Image forming apparatus having a cleaning mechanism for cleaning a photosensitive member Dec. 7, 2004
6771912 Systems and methods for generating photo-induced discharge curves Aug. 3, 2004
6768878 Image forming method and image forming apparatus utilizing a control patch Jul. 27, 2004
6744997 Methods for generating a calibration product for an image producing device having a plurality of toner stations Jun. 1, 2004
6701116 Image forming apparatus Mar. 2, 2004
6687470 Method of compensating for image quality by controlling toner reproduction curve Feb. 3, 2004
6603934 Method and apparatus for forming image Aug. 5, 2003
6591071 Image forming apparatus capable of correcting control coefficient used to determine electrification bias Jul. 8, 2003
6560418 Method of setting laser power and developer bias in a multi-color electrophotographic machinie May. 6, 2003
6559876 Image forming apparatus with exposure reduction mode May. 6, 2003
6553191 Adjustment-control system for image forming apparatus Apr. 22, 2003
6546214 Image forming apparatus comprising storing means for storing a parameter regarding an accumulation operation amount of the apparatus or of a cartridge detachably mountable to the apparatus Apr. 8, 2003
6529694 Image forming apparatus with density control Mar. 4, 2003
6501917 Method and apparatus for image forming capable of effectively performing image density adjustment Dec. 31, 2002
6498908 Electrophotographic measurement system Dec. 24, 2002
6483998 Electrostatic image-forming apparatus controlled to compensate for film thinning Nov. 19, 2002
6483997 Image forming apparatus and method for electrifying and developing bias control features Nov. 19, 2002
6418280 Electrophotographic apparatus with exposure control for multiple target light portion potentials Jul. 9, 2002
6377762 Image forming apparatus controlling image forming conditions based on detected toner concentration before and after stoppage Apr. 23, 2002
6321043 Control of halftone and solid area image quality by way of a halftone discharge ratio Nov. 20, 2001
6314251 Image forming apparatus Nov. 6, 2001
6236816 Printing or duplicating apparatus optionally operating with magnetic or non magnetic toner May. 22, 2001
6212338 Image forming device with communication to supplementary toner container Apr. 3, 2001

1 2 3 4


 
 
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