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Class Information
Number: 399/60
Name: Electrophotography > Control of electrophotography process > Control of developing > Concentration control > Detection of developed image
Description: Subject matter wherein the concentration control is effected according to the sensed amount or density of toner that has been applied to a latent image.

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8639135 Image forming apparatus Jan. 28, 2014
8616673 Method of controlling print density Dec. 31, 2013
8594519 Image forming apparatus and toner supply method Nov. 26, 2013
8583006 Electrophotographic image forming apparatus and process cartridge with electrical contacts that urge developer roller to photosensitive drum Nov. 12, 2013
8502994 Image forming apparatus and method of controlling printing job Aug. 6, 2013
8457508 Developing bias setting in an image forming apparatus Jun. 4, 2013
8446629 Printer driver, image forming apparatus and print controlling method May. 21, 2013
8340537 Image forming apparatus and method of compensating for printing quality of the image forming apparatus Dec. 25, 2012
8331816 Printer control system to minimize two-dimensional image quality defects Dec. 11, 2012
8311422 Image forming apparatus having a first and second toner containers and a developing unit Nov. 13, 2012
8279491 Color image formation apparatus for forming a reference pattern with a plurality of lines having a black color as reference color and for correcting misalignment with respect to the reference Oct. 2, 2012
8249477 Method of detecting position of toner pattern, optical sensor, and image forming apparatus Aug. 21, 2012
8139245 Managing the processing of print data at printing devices based upon available consumable resources Mar. 20, 2012
8139266 Color printing control device, color printing control method, and computer readable recording medium stored with color printing control program Mar. 20, 2012
8134741 System and method for controlling consistent color quality Mar. 13, 2012
8098401 Method and apparatus for printing that considers an undesirable optical density printing range Jan. 17, 2012
8099004 Image forming apparatus and image forming apparatus control method Jan. 17, 2012
8078069 Image forming apparatus and image forming method Dec. 13, 2011
8068754 Image forming apparatus equipped having a hinge portion that connects an image forming portion and image reading portion Nov. 29, 2011
8005385 Electrophotographic system to enable direct sensing of toner quantity Aug. 23, 2011
7957659 Image forming apparatus for marginless printing Jun. 7, 2011
7952765 Method of detecting pages subject to reload artifact May. 31, 2011
7907862 Image forming apparatus, image forming method, program, and storage medium Mar. 15, 2011
7899341 Image forming apparatus, analysis information management method Mar. 1, 2011
7894733 Process cartridge and image forming apparatus Feb. 22, 2011
7885566 Toner consumption-calculating apparatus, image forming apparatus, and toner consumption calculating method Feb. 8, 2011
7860416 Image forming apparatus Dec. 28, 2010
7792441 Image formation apparatus Sep. 7, 2010
7773901 Image forming apparatus and control method thereof Aug. 10, 2010
7715741 Image forming apparatus with a toner image density feature and related method May. 11, 2010
7711277 Toner density estimating method and apparatus using toner image and toner supplying method and apparatus May. 4, 2010
7646997 Toner replenishing device and image forming apparatus having the same Jan. 12, 2010
7639970 Optimization of magnetic roll speed profile in an electrophotographic printing system Dec. 29, 2009
7630654 Printing apparatus Dec. 8, 2009
7619791 Image forming method and image forming device Nov. 17, 2009
7583906 Image forming apparatus Sep. 1, 2009
7579716 Power storage device and image forming apparatus Aug. 25, 2009
7565085 Image forming device and toner consumption amount estimating method Jul. 21, 2009
7546048 Method for determining ink usage efficiency in commercial printing processes using pigments and quantitative tests Jun. 9, 2009
7542172 Method of detecting pages subject to reload artifact Jun. 2, 2009
7542688 Method of detecting pages subject to reload artifact with IOI (image on image) correction Jun. 2, 2009
7539425 Method and device for adjusting to a minimum value the toner supply to a developing station of an electrographic printing unit or copying unit May. 26, 2009
7512350 Image forming apparatus and method that identify halftone process parameter Mar. 31, 2009
7509060 Density determination method, image forming apparatus, and image processing system Mar. 24, 2009
7505700 Image forming apparatus capable of counting consumable consumption amount, and control method and control program therefor Mar. 17, 2009
7457568 Image forming apparatus and method using liquid development in which toner density is determined based on patch image density Nov. 25, 2008
7450867 Image forming apparatus, toner density control method, toner density control program and storage medium for storing the program Nov. 11, 2008
7360886 Position deviation detecting method and image forming device Apr. 22, 2008
7359652 Image forming apparatus with tone correction and control method thereof Apr. 15, 2008
7324769 Image forming apparatus having a changeable adjustment toner image positioning feature Jan. 29, 2008

1 2 3

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