DE3851968D1 - Bilderzeugungsgerät. - Google Patents

Bilderzeugungsgerät.

Info

Publication number: DE3851968D1
Authority: DE; Germany
Prior art keywords: imaging device; imaging
Prior art date: 1987-02-26
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Lifetime

Application number

DE3851968T

Other languages

English (en)

Other versions

DE3851968T2 (de

Inventor

Junji Araya

Noribumi Koitabashi

Shunji Nakamura

Hiromitsu Hirabayashi

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Canon Inc

Original Assignee

Canon Inc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1987-02-26

Filing date

1988-02-25

Publication date

1994-12-08

1987-02-26 Priority claimed from JP4384487A external-priority patent/JPS63208881A/ja

1987-12-11 Priority claimed from JP31390587A external-priority patent/JPH01154175A/ja

1988-02-25 Application filed by Canon Inc filed Critical Canon Inc

1994-12-08 Publication of DE3851968D1 publication Critical patent/DE3851968D1/de

1995-03-30 Application granted granted Critical

1995-03-30 Publication of DE3851968T2 publication Critical patent/DE3851968T2/de

2008-02-26 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
- G03G15/0208—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus
- G03G15/0216—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus by bringing a charging member into contact with the member to be charged, e.g. roller, brush chargers
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/06—Eliminating residual charges from a reusable imaging member

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Plasma & Fusion (AREA)
Electrostatic Charge, Transfer And Separation In Electrography (AREA)

DE3851968T 1987-02-26 1988-02-25 Bilderzeugungsgerät. Expired - Lifetime DE3851968T2 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP4384487A JPS63208881A (ja)	1987-02-26	1987-02-26	画像形成装置
JP31390587A JPH01154175A (ja)	1987-12-11	1987-12-11	画像形成装置

Publications (2)

Publication Number	Publication Date
DE3851968D1 true DE3851968D1 (de)	1994-12-08
DE3851968T2 DE3851968T2 (de)	1995-03-30

Family

ID=26383681

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE3851968T Expired - Lifetime DE3851968T2 (de)	1987-02-26	1988-02-25	Bilderzeugungsgerät.

Country Status (3)

Country	Link
US (2)	US5164779A (de)
EP (1)	EP0280542B1 (de)
DE (1)	DE3851968T2 (de)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4851960A (en) *	1986-12-15	1989-07-25	Canon Kabushiki Kaisha	Charging device
USRE35581E (en) *	1986-12-15	1997-08-12	Canon Kabushiki Kaisha	Charging device
EP0280542B1 (de) *	1987-02-26	1994-11-02	Canon Kabushiki Kaisha	Bilderzeugungsgerät
DE3854559T2 (de) *	1987-03-31	1996-03-21	Canon Kk	Bilderzeugungsgerät.
JPH07113802B2 (ja) *	1987-06-30	1995-12-06	キヤノン株式会社	画像形成装置
JPH0693150B2 (ja) *	1988-04-20	1994-11-16	キヤノン株式会社	画像形成装置
US5307122A (en) *	1989-07-28	1994-04-26	Canon Kabushiki Kaisha	Image forming apparatus apparatus unit facsimile apparatus and developer comprising hydrophobic silica fine powder for developing electrostatic images
JPH03156476A (ja) *	1989-11-15	1991-07-04	Canon Inc	画像形成装置の帯電装置
JPH03240076A (ja) *	1990-02-17	1991-10-25	Canon Inc	帯電装置
KR970005219B1 (ko) *	1990-09-14	1997-04-14	캐논 가부시끼가이샤	화상기록장치
SG78355A1 (en) *	1990-10-26	2001-02-20	Canon Kk	Developer for developing electrostatic image image forming method electrophotographic apparatus apparatus unit and facsimile apparatus
JP2817391B2 (ja) *	1990-11-02	1998-10-30	キヤノン株式会社	帯電装置
DE69212063T2 (de) *	1991-04-30	1996-12-12	Canon Kk	Elektrophotographisches Gerät
JP2561400B2 (ja) *	1991-07-31	1996-12-04	キヤノン株式会社	電子写真装置及びこの装置に着脱可能なプロセスカートリッジ
JP3262346B2 (ja) *	1991-07-31	2002-03-04	キヤノン株式会社	帯電装置及び帯電装置を有するプロセスカートリッジ又は画像形成装置
EP0534437B1 (de) *	1991-09-27	1997-06-11	Bridgestone Corporation	Kontaktaufladegerät und Verfahren
JP2907614B2 (ja) *	1991-12-19	1999-06-21	三田工業株式会社	機能冗長系を有する画像形成装置
US5412455A (en) *	1992-01-30	1995-05-02	Canon Kabushiki Kaisha	Charging device, image forming apparatus and detachably mountable process cartridge having a constant voltage power source feature
EP0555102B1 (de) *	1992-02-07	1999-06-02	Canon Kabushiki Kaisha	Bilderzeugungsgerät mit einem Auflade-Element in Kontakt mit dem Bildträgerelement
JP3259985B2 (ja)	1992-09-04	2002-02-25	キヤノン株式会社	プロセスカートリッジ及び画像形成装置
US5426488A (en) *	1992-10-19	1995-06-20	Sharp Kabushiki Kaisha	Method of charging a built-in electrophotographic charge member
US5552865A (en) *	1993-02-09	1996-09-03	Minolta Camera Kabushiki Kaisha	Charging device and method for charging a charge-receiving member by a charging member by discharge therebetween based on difference in electric potential between the charging member and the charge-receiving member
JPH06314016A (ja) *	1993-04-28	1994-11-08	Konica Corp	帯電装置
JP2795146B2 (ja) *	1993-11-30	1998-09-10	日本鋼管株式会社	測温用二重被覆光ファイバ
US6004031A (en) *	1993-11-30	1999-12-21	Nkk Corporation	Temperature measuring device
JPH07244419A (ja) *	1994-03-04	1995-09-19	Fuji Xerox Co Ltd	電子写真法
JPH07306569A (ja) *	1994-05-11	1995-11-21	Canon Inc	帯電部材、帯電装置、画像形成装置、及びプロセスカートリッジ
KR200153521Y1 (ko) *	1996-02-17	1999-09-01	윤종용	전자 사진 인쇄장치의 보조 대전 장치
KR0174698B1 (ko) *	1996-03-18	1999-04-01	김광호	전자사진 현상방식을 이용하는 장치의 대전전압 제어방법
KR100193828B1 (ko) *	1996-06-25	1999-06-15	윤종용	전자사진 현상방식을 채용한 화상형성장치의 화상농도 조정장치
KR100191203B1 (ko) *	1997-03-14	1999-06-15	윤종용	전자사진 현상방식을 채용한 화상형성장치의 전사 바이어스 제어방법
US5911097A (en) *	1997-03-18	1999-06-08	Minolta Co., Ltd.	Image forming apparatus and method using charge control means
US6075955A (en) *	1998-01-23	2000-06-13	Mitsubishi Chemical America, Inc.	Noise reducing device for photosensitive drum of an image forming apparatus
JP2001235929A (ja) *	2000-02-24	2001-08-31	Canon Inc	画像形成装置
JP2002023480A (ja) *	2000-07-06	2002-01-23	Canon Inc	画像形成装置
US6842594B2 (en) *	2002-12-13	2005-01-11	Xerox Corporation	Intermittent DC bias charge roll AC cleaning cycle
US7085507B2 (en) *	2003-08-25	2006-08-01	Lexmark International, Inc.	Method and apparatus to control waste toner collection in an image forming apparatus
US7092659B2 (en) *	2003-12-31	2006-08-15	Samsung Electronics Co., Ltd.	Discharge methods and systems in electrophotography
US7205738B2 (en) *	2004-03-24	2007-04-17	Lexmark International, Inc.	Method and apparatus for time-based dc motor commutation
US7177572B2 (en) *	2004-06-25	2007-02-13	Xerox Corporation	Biased charge roller with embedded electrodes with post-nip breakdown to enable improved charge uniformity
US7257363B2 (en)	2005-09-22	2007-08-14	Lexmark International, Inc.	Device for moving toner within an image forming device
JP4994650B2 (ja) *	2005-12-02	2012-08-08	キヤノン株式会社	帯電装置
JP2007219087A (ja) *	2006-02-15	2007-08-30	Fuji Xerox Co Ltd	帯電装置及び画像形成装置
KR101079579B1 (ko) *	2007-02-02	2011-11-03	삼성전자주식회사	화상형성장치 및 그 화상형성방법
US9170518B2 (en)	2010-08-26	2015-10-27	Xerox Corporation	Method and system for closed-loop control of nip width and image transfer field uniformity for an image transfer system
US8396404B2 (en)	2010-08-26	2013-03-12	Xerox Corporation	Image transfer nip method and apparatus using constant current controls
US9778027B1 (en)	2010-09-30	2017-10-03	Northwest Podiatric Laboratory, Inc.	Apparatus and method for imaging feet
USRE48771E1 (en)	2010-08-31	2021-10-12	Northwest Podiatrie Laboratory, Inc.	Apparatus and method for imaging feet
JP5704977B2 (ja) *	2011-03-09	2015-04-22	キヤノン株式会社	画像形成装置
JP5393823B2 (ja) *	2012-02-29	2014-01-22	京セラドキュメントソリューションズ株式会社	クリーニング装置、およびこれを備える像担持体ユニット、画像形成装置
US9523947B2 (en)	2012-09-26	2016-12-20	Lexmark International, Inc.	Time-based commutation method and system for controlling a fuser assembly
US8836747B2 (en)	2012-10-02	2014-09-16	Lexmark International, Inc.	Motor control system and method for a laser scanning unit of an imaging apparatus
US9014585B2 (en)	2013-03-15	2015-04-21	Xerox Corporation	System and method for detecting bias transfer roll positions using resistance detection
WO2016165766A1 (en) *	2015-04-15	2016-10-20	Hewlett-Packard Indigo B.V.	Applying a corrective voltage
JP2017058439A (ja)	2015-09-15	2017-03-23	株式会社リコー	画像形成装置及びその制御方法
WO2020076318A1 (en) *	2018-10-11	2020-04-16	Hewlett-Packard Development Company, L.P.	Charge roller gap determination

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4123154A (en) *	1977-03-03	1978-10-31	Xerox Corporation	Combined corona generator and imaging surface cleaner
US4387980A (en) *	1979-12-25	1983-06-14	Tokyo Shibaura Denki Kabushiki Kaisha	Charging device for electronic copier
JPS56104347A (en) *	1980-01-23	1981-08-20	Toshiba Corp	Charging device of electrophotographic copier
DE3101678C2 (de) *	1980-01-25	1983-07-07	Tokyo Shibaura Denki K.K., Kawasaki, Kanagawa	Einrichtung zum gleichförmigen Aufladen eines kontinuierlich durch eine Aufladezone bewegten elektrofotografischen Aufzeichnungsmaterials
DE3164262D1 (en) *	1980-03-10	1984-07-26	Tokyo Shibaura Electric Co	Charging device
JPS56132356A (en) *	1980-03-21	1981-10-16	Minolta Camera Co Ltd	Roller charger
JPS56143459A (en) *	1980-04-10	1981-11-09	Toshiba Corp	Electric charger
JPS56146157A (en) *	1980-04-15	1981-11-13	Sharp Corp	Corona charger serving as destaticizer
JPS5764755A (en) *	1980-10-08	1982-04-20	Toshiba Corp	Charging device
JPS5767951A (en) *	1980-10-14	1982-04-24	Toshiba Corp	Electric charger
US4470689A (en) *	1981-06-02	1984-09-11	Canon Kabushiki Kaisha	Image forming apparatus and process unit
JPS5849960A (ja) *	1981-09-21	1983-03-24	Toshiba Corp	ロ−ラ−帯電器
JPS5854644A (ja) *	1981-09-28	1983-03-31	Nec Corp	ボンデイング用樹脂基板
JPS58186762A (ja) *	1982-04-24	1983-10-31	Fuji Xerox Co Ltd	荷電、除電兼用コロトロン
CA1214502A (en) *	1982-11-01	1986-11-25	Lloyd F. Bean	Cleaning method and apparatus for a xerographic reproducing apparatus
JPS6052870A (ja) *	1983-09-02	1985-03-26	Fuji Photo Film Co Ltd	電子写真複写装置
JPS6076360A (ja) *	1983-10-03	1985-04-30	Nec Corp	感熱記録装置
JPS60216361A (ja) *	1984-04-12	1985-10-29	Fuji Xerox Co Ltd	ブラシ帯電・転写装置
JPS61198254A (ja) *	1985-02-28	1986-09-02	Toshiba Corp	電子写真装置
US4657369A (en) *	1985-04-02	1987-04-14	Kentek Information Systems, Inc.	Disposable photoconductive belt assembly for a printer or a copier
US4640599A (en) *	1985-10-15	1987-02-03	Pitney Bowes Inc.	Method and apparatus for neutralizing residual charge on a photoconductive surface
JPS62249178A (ja) *	1986-04-22	1987-10-30	Alps Electric Co Ltd	電子写真式プリンタ
US4851960A (en) *	1986-12-15	1989-07-25	Canon Kabushiki Kaisha	Charging device
EP0280542B1 (de) *	1987-02-26	1994-11-02	Canon Kabushiki Kaisha	Bilderzeugungsgerät

1988
- 1988-02-25 EP EP88301603A patent/EP0280542B1/de not_active Expired - Lifetime
- 1988-02-25 DE DE3851968T patent/DE3851968T2/de not_active Expired - Lifetime
1991
- 1991-04-15 US US07/685,177 patent/US5164779A/en not_active Expired - Lifetime
1995
- 1995-05-03 US US08/434,283 patent/US5585894A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0280542A3 (en)	1988-10-19
EP0280542A2 (de)	1988-08-31
US5164779A (en)	1992-11-17
US5585894A (en)	1996-12-17
DE3851968T2 (de)	1995-03-30
EP0280542B1 (de)	1994-11-02

Publication	Publication Date	Title
DE3887547D1 (de)	1994-03-17	Abbildungsgerät.
DE3850057D1 (de)	1994-07-14	Bilderzeugungsgerät.
DE3854467D1 (de)	1995-10-19	Bilderzeugungsgerät.
DE3851968D1 (de)	1994-12-08	Bilderzeugungsgerät.
DE3850702D1 (de)	1994-08-25	Bilderzeugungsgerät.
DE3854559D1 (de)	1995-11-16	Bilderzeugungsgerät.
DE3851722D1 (de)	1994-11-10	Bilderzeugungsgerät.
DE3851278D1 (de)	1994-10-06	Bilderzeugungsgerät.
DE3750322D1 (de)	1994-09-08	Bilderzeugungsgerät.
DE3751240D1 (de)	1995-05-18	Bilderzeugungsgerät.
DE68921038D1 (de)	1995-03-23	Bilderzeugungsgerät.
DE68921531D1 (de)	1995-04-13	Bilderzeugungsgerät.
DE69005207D1 (de)	1994-01-27	Bilderzeugungsgerät.
DE68911731D1 (de)	1994-02-10	Bilderzeugungsgerät.
DE68916745D1 (de)	1994-08-18	Bilderzeugungsvorrichtung.
DE3851795D1 (de)	1994-11-17	Bilderzeugungsgerät.
DE3887825D1 (de)	1994-03-24	Bilderzeugungsgerät.
DE3885254D1 (de)	1993-12-02	Bilderzeugungsgerät.
DE69004896D1 (de)	1994-01-13	Bilderzeugungsgerät.
DE68912908D1 (de)	1994-03-17	Bildererzeugungsgerät.
DE69006283D1 (de)	1994-03-10	Bilderzeugungsgerät.
DE68921596D1 (de)	1995-04-13	Bilderzeugungsgerät.
DE68913454D1 (de)	1994-04-07	Bilderzeugungsgerät.
DE3889154D1 (de)	1994-05-26	Vorlageabbildungsgerät.
DE3851671D1 (de)	1994-11-03	Bilderzeugungsgerät.

Legal Events

Date	Code	Title	Description
1995-11-30	8364	No opposition during term of opposition