ClassID:

177626

G03G15/0283 - CPC Classification

Classification description:

Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices Arrangements for supplying power to the sensitising device

Recent Application in this class:
#1
20260104655
2026-04-16

IMAGE FORMING APPARATUS

#2
20260099111
2026-04-09

IMAGE FORMING APPARATUS

#3
20260099110
2026-04-09

PROCESS UNIT AND IMAGE FORMING APPARATUS

#4
20260050229
2026-02-19

CORONA TREATMENT APPARATUS

#5
20260010117
2026-01-08

IMAGE FORMING APPARATUS

#6
20260003314
2026-01-01

IMAGE FORMING APPARATUS

#7
20250348017
2025-11-13

IMAGE FORMING APPARATUS, METHOD FOR CONTROLLING IMAGE FORMING APPARATUS, AND STORAGE MEDIUM STORING PROGRAM CODE FOR CONTROLLING IMAGE FORMING APPARATUS

#8
20250116964
2025-04-10

CARTRIDGE AND IMAGE FORMING APPARATUS

#9
20240241462
2024-07-18

ELECTROSTATIC COLLECTING APPARATUS, IMAGE FORMING APPARATUS, AND CLEANING APPARATUS

#10
20240168401
2024-05-23

CHARGING DEVICE, TONER-IMAGE FORMING UNIT, AND IMAGE FORMING APPARATUS

#11
20230375955
2023-11-23

Image forming apparatus

#12
20230288836
2023-09-14

Electrophotographic apparatus

#13
20230266692
2023-08-24

Image forming apparatus provided with charging roller

#14
20230195024
2023-06-22

Image forming apparatus

#15
20230145679
2023-05-11

Image forming apparatus for forming images on sheets by using toner

#16
20220397858
2022-12-15

Feeding apparatus with control of ion irradiation unit that irradiates sheet

#17
20220390877
2022-12-08

Image forming apparatus calculating a complex number of a discharge current waveform for determining a value of the AC charging voltage

#18
20220100115
2022-03-31

Identifying occurrence of background based on an image density

#19
20210099077
2021-04-01

Power supply device and image forming device

#20
20200241441
2020-07-30

Image forming apparatus which suppresses image defects due to interference between a charging alternating-current frequency and a developing alternating-current frequency

#21
20200241437
2020-07-30

Image forming apparatus and method for controlling image forming apparatus

#22
20200241436
2020-07-30

Image forming apparatus in which AC-type biasing is adopted for charging or development

#23
20200050127
2020-02-13

ADJUSTMENTS TO PRINT BLANKET BIAS VOLTAGE

#24
20190196377
2019-06-27

Image forming apparatus

#25
20190146367
2019-05-16

Image forming apparatus, method for forming image, and non-transitory computer-readable storage medium

#26
20190129334
2019-05-02

Image forming apparatus and program executed by computer of image forming apparatus

#27
20190079427
2019-03-14

Abnormal discharge detection circuit for corona chargers

#28
20190049883
2019-02-14

Power supply apparatus for outputting first and second voltages from one transformer and image forming apparatus including power supply apparatus

#29
20180348671
2018-12-06

Image forming apparatus having a cleaning device for a transfer belt and a pre-cleaning brush

#30
20180335714
2018-11-22

Power supply apparatus and image forming apparatus

#31
20180335713
2018-11-22

Image forming apparatus

#32
20180329334
2018-11-15

Image forming apparatus

#33
20180292767
2018-10-11

Image forming apparatus

#34
20180284637
2018-10-04

Image forming apparatus

#35
20180275555
2018-09-27

Apparatus and method for forming an electrostatic image on a photosensitive member according to an image signal

#36
20180246461
2018-08-30

Electrode and image forming apparatus including the same

#37
20180224774
2018-08-09

Image forming apparatus

#38
20180173152
2018-06-21

Adsorbing member, fixing device and image forming apparatus including the same

#39
20180149994
2018-05-31

Image forming apparatus

#40
20180149993
2018-05-31

Image forming apparatus that prevents toner charged with polarity opposite normal charging polarity from being collected

#41
20180143561
2018-05-24

Image forming apparatus

#42
20180135958
2018-05-17

Image forming apparatus, photoconductor film thickness estimation method, and estimation program

#43
20180074451
2018-03-15

Image forming apparatus

#44
20180074428
2018-03-15

Image forming apparatus

#45
20180074427
2018-03-15

Image forming apparatus including high voltage generating circuit

#46
20180004149
2018-01-04

Image forming apparatus

#47
20170261880
2017-09-14

Image forming apparatus including unit attachable to and detachable from apparatus main body, conductive member disposed in unit, contact spring disposed in apparatus main body and configured to come in electrically conductive contact with conductive member, and hollow cylinder disposed in apparatus main body and retaining contact spring

#48
20170255122
2017-09-07

Image forming apparatus, image forming method, and recording medium

#49
20170176883
2017-06-22

PRINTING USING A METAL-SURFACE CHARGING ELEMENT

#50
20170160666
2017-06-08

Adjustments to print blanket bias voltages

#51
20170090393
2017-03-30

Image forming apparatus and bias power-supply device

#52
20170082938
2017-03-23

Field effect electric charger device and image forming device

#53
20160378014
2016-12-29

Power supply structure, charging device, assembly, and image forming apparatus

#54
20160342105
2016-11-24

Image forming apparatus

#55
20160334732
2016-11-17

Image forming apparatus having a voltage application unit for applying a voltage to a developing roller and a charger

#56
20160282748
2016-09-29

Image forming apparatus with a power supply applying charged voltage to a charging section

#57
20160223932
2016-08-04

Image forming apparatus with cleaning using cleaning member and charging member

#58
20160209772
2016-07-21

Image forming apparatus with current detection when photoconductor is re-charged

#59
20160161878
2016-06-09

Image forming apparatus

#60
20160070194
2016-03-10

Image forming apparatus

#61
20150234338
2015-08-20

Image forming apparatus for setting an electrification voltage

#62
20150104207
2015-04-16

Bias control and image forming apparatus comprising the same

#63
20150071663
2015-03-12

Image forming device, bias voltage control method for image forming device, and computer program product

#64
20150055972
2015-02-26

Power-supply device and image formation apparatus

#65
20140363182
2014-12-11

Image forming apparatus

#66
20140334837
2014-11-13

Wet-type image forming apparatus

#67
20140293659
2014-10-02

HIGH-VOLTAGE GENERATING APPARATUS, HIGH-VOLTAGE POWER SUPPLY, AND IMAGE FORMING APPARATUS

#68
20140212163
2014-07-31

Power source apparatus and image forming apparatus

#69
20140105632
2014-04-17

High voltage power supply and method of outputting plus/minus high-voltage in image forming apparatuses

#70
20140064785
2014-03-06

Cartridge and image forming apparatus

#71
20140064758
2014-03-06

Image forming apparatus comprising a plurality of charging rollers

#72
20140037318
2014-02-06

High-voltage power supply for image forming apparatus

#73
20130330094
2013-12-12

Bias power supply device and image forming apparatus

#74
20130195476
2013-08-01

Image forming apparatus including anomaly detection for charging members

#75
20130195475
2013-08-01

Image forming apparatus

#76
20130195472
2013-08-01

Image forming apparatus

#77
20130195471
2013-08-01

Image forming apparatus

#78
20130188983
2013-07-25

Image forming apparatus

#79
20130183057
2013-07-18

Image forming apparatus and power control device

#80
20130149013
2013-06-13

Image forming apparatus

#81
20130077985
2013-03-28

Image forming apparatus reducing toner fogging on photosensitive drum

#82
20120114365
2012-05-10

Electrical connection structure, electrical connection method, electrical connection member, and image forming apparatus

#83
20120093537
2012-04-19

Image forming apparatus performing control of changing targets of power supply from charging device

#84
20120082470
2012-04-05

Image forming apparatus with abnormal discharge detection

#85
20120049623
2012-03-01

IMAGE FORMING APPARATUS AND METHOD OF CONTROLLING THE SAME

#86
20120027437
2012-02-02

Image forming apparatus including chargers and a current detecing unit that detects a sum of currents of the chargers

#87
20110058842
2011-03-10

High-voltage power supply of image forming apparatus

#88
20110058841
2011-03-10

High voltage power supply and method of outputting plus/minus high-voltage in image forming apparatuses

#89
20110058833
2011-03-10

Image forming apparatus

#90
20100278547
2010-11-04

Image forming apparatus and voltage applying device comprising a control unit for controlling another control unit when the other control unit is abnormally restarted

#91
20100135698
2010-06-03

Power supply apparatus and image forming apparatus

#92
20100111550
2010-05-06

Image forming apparatus with rotation-speed-related adjustable photosensitive member charging bias

#93
20090279915
2009-11-12

Method and apparatus for generating a spread spectrum signal in a printer power supply unit

#94
20090269092
2009-10-29

Image forming apparatus with variable amplitude alternating current to mitigate image defects and photoconductor wear

#95
20090185827
2009-07-23

Charging device with vibrating discharge electrode and image forming apparatus

#96
20090103940
2009-04-23

Image forming device

#97
20090074443
2009-03-19

Charging device and image forming apparatus using the same

#98
20090010661
2009-01-08

Abnormality detection in an image forming apparatus

#99
20080317488
2008-12-25

Total layer thickness detection apparatus, charging device, image forming apparatus, total layer thickness detection method and computer readable medium storing program for total layer thickness detection

#100
20080285993
2008-11-20

Image forming apparatus for forming toner image using developer made of toner and carrier

#101
20080050143
2008-02-28

Shared High Voltage Power Supply for Photoconductor Charging in an Electrophotographic Device

#102
20070212103
2007-09-13

Image forming apparatus, power supply device, and control method

#103
20070172248
2007-07-26

Charging voltage supply and method for supplying charging voltage

#104
20070098424
2007-05-03

Image forming device having an alternating current frequency regulating apparatus

#105
20070092296
2007-04-26

Image forming method and image forming device

#106
20060290331
2006-12-28

Point-of-load design for high voltage AC power supplies

#107
20060269306
2006-11-30

Image forming apparatus having a stable image density

#108
20060222406
2006-10-05

Non-contact bias charge roll biased with burst modulation waveform

#109
20060140660
2006-06-29

Method for charging a photoreceptor to extend the life of a charge receptor in a xerographic printer

#110
20060018682
2006-01-26

Connection assembly for a xerographic charging device

#111
20050286934
2005-12-29

Biased charge roller with embedded electrodes with post-nip breakdown to enable improved charge uniformity

#112
20050200309
2005-09-15

Image forming apparatus having means to control condition of current supply to discharge wire and grid of charging member

#113
20050189923
2005-09-01

Auxiliary power source device, fixing device, image forming apparatus and charge operation control method

#114
20050111890
2005-05-26

Current regulated, voltage limited, AC power supply with DC offset for corona chargers

#115
20050111869
2005-05-26

Charge voltage control circuit and image forming apparatus which controls a charge voltage based on a discharge current

#116
20050111868
2005-05-26

Method for charging a photoreceptor to extend the life of a charge receptor in a xerographic printer

#117
20050089346
2005-04-28

Spaced biased roll charging member having clipped AC input voltage

#118
16518215
2020-10-20

Reducing waste toner with electrophotographic voltage control in imaging devices

#119
16443985
2020-09-22

Reducing waste toner with electrophotographic voltage control in imaging devices

#120
15073083
2017-01-24

Image forming apparatus and method for controlling charging thereof