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Class Information
Number: 250/325
Name: Radiant energy > Corona irradiation > Charging of moving object
Description: Subject matter wherein electrons or ions from the corona are deposited on an object resulting in a residual charge on the object and including means for or the step of moving the object during irradiation.

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8649706 Charging apparatus and image forming apparatus including same Feb. 11, 2014
8450698 Multi-stage ion airflow generating device May. 28, 2013
8323751 Process for producing roller for electrophotography Dec. 4, 2012
8193495 Tool for dicorotron wire assembly removal and storage Jun. 5, 2012
8128869 Air sanitization system with variable speed fan Mar. 6, 2012
7822355 Method and device to prevent dust agglomeration on corona electrodes Oct. 26, 2010
7432504 Dicorotron wire assembly removal and storage tool Oct. 7, 2008
7420169 Dicorotron wire assembly removal-insertion tool Sep. 2, 2008
7199374 Corona discharge lamps Apr. 3, 2007
7149458 Xerographic charging device having three pin arrays Dec. 12, 2006
6963479 Method of and apparatus for electrostatic fluid acceleration control of a fluid flow Nov. 8, 2005
6900436 Corona wire tensioning mechanism May. 31, 2005
6819893 Image forming apparatus and charging device Nov. 16, 2004
6787774 Corotron comprising a fixing elements on supports, an assembly with a power supply unit and an assembly for replacing a corotron wire Sep. 7, 2004
6740878 System and method for automatically tensioning wires and for retaining tensioned wires under tension May. 25, 2004
6653638 Ion generating apparatus Nov. 25, 2003
6624413 Corona treatment apparatus with segmented electrode Sep. 23, 2003
6603121 High-efficiency plasma treatment of paper Aug. 5, 2003
6477343 Image forming method and apparatus with means for reducing the accumulation of particle on a charging device Nov. 5, 2002
6411794 Discharge device and image forming apparatus Jun. 25, 2002
6407382 Discharge ionization source Jun. 18, 2002
6345159 Charging apparatus and image forming apparatus Feb. 5, 2002
6338663 Low-voltage cathode for scrubbing cathodoluminescent layers for field emission displays and method Jan. 15, 2002
6308032 Rotatable charging apparatus, and printing machine including the same Oct. 23, 2001
6303933 Apparatus and method of attaching corona wire to corona charger housing Oct. 16, 2001
6294782 Corona charger with a serpentine strung corona wire Sep. 25, 2001
6285032 Device for removing the gaseous laminar boundary layer of a web Sep. 4, 2001
6255649 Charging device with grid tensioning shafts Jul. 3, 2001
6034368 AC corona current regulation Mar. 7, 2000
6025594 Support mounting for a pin array corona generating device Feb. 15, 2000
5970287 Charging device for charging charged body in non-contact state Oct. 19, 1999
5909608 Tension support mounting for a corona generating device Jun. 1, 1999
5907155 Constant DC offset coronode voltage tracking circuit May. 25, 1999
5907753 Charging device having an electrode with integral electrical connector May. 25, 1999
5897238 Method of setting position of a corona charger Apr. 27, 1999
5686732 X-ray apparatus comprising a photoconductor and a charging device Nov. 11, 1997
5666605 Charging unit Sep. 9, 1997
5659176 Scanning corotron Aug. 19, 1997
RE35581 Charging device Aug. 12, 1997
5655186 Light blocking ion charging apparatus Aug. 5, 1997
5627376 Wire corona charging apparatus May. 6, 1997
5587584 Apparatus for charging a film on the internal surface of a drum Dec. 24, 1996
5485255 Automatic cleaning mechanism for a corona charger using cleaning pad Jan. 16, 1996
5464572 Device for humidifying and ionizing air Nov. 7, 1995
5440375 Corona discharger displacing mechanism and grid electrode positioning mechanism Aug. 8, 1995
5416563 Xerographic process control by adjusting photoreceptor voltages by photoreceptor segments May. 16, 1995
5416564 Xerographic process control using developer to photoreceptor current sensing for grid voltage adjust May. 16, 1995
5412212 Corona-charging apparatus and method May. 2, 1995
5412213 Charger for performing a corona discharge May. 2, 1995
5392099 Image forming apparatus having cleaning member for cleaning charging wire Feb. 21, 1995

1 2 3 4

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