HK1014057A1 - Charging device process cartridge and image forming apparatus - Google Patents

Charging device process cartridge and image forming apparatus

Info

Publication number
HK1014057A1
HK1014057A1 HK98115379A HK98115379A HK1014057A1 HK 1014057 A1 HK1014057 A1 HK 1014057A1 HK 98115379 A HK98115379 A HK 98115379A HK 98115379 A HK98115379 A HK 98115379A HK 1014057 A1 HK1014057 A1 HK 1014057A1
Authority
HK
Hong Kong
Prior art keywords
image forming
forming apparatus
charging device
process cartridge
device process
Prior art date
Application number
HK98115379A
Other languages
English (en)
Inventor
Hideyuki Yano
Original Assignee
Canon Kk
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.)
Filing date
Publication date
Application filed by Canon Kk filed Critical Canon Kk
Publication of HK1014057A1 publication Critical patent/HK1014057A1/xx

Links

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
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/02—Arrangements for laying down a uniform charge
    • G03G2215/021—Arrangements for laying down a uniform charge by contact, friction or induction
    • G03G2215/022—Arrangements for laying down a uniform charge by contact, friction or induction using a magnetic brush

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Brushes (AREA)
HK98115379A 1993-03-01 1998-12-24 Charging device process cartridge and image forming apparatus HK1014057A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6615093 1993-03-01
JP02681194A JP3402727B2 (ja) 1993-03-01 1994-02-24 帯電装置、プロセスカートリッジ及び画像形成装置

Publications (1)

Publication Number Publication Date
HK1014057A1 true HK1014057A1 (en) 1999-09-17

Family

ID=26364646

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98115379A HK1014057A1 (en) 1993-03-01 1998-12-24 Charging device process cartridge and image forming apparatus

Country Status (5)

Country Link
US (1) US5606401A (fr)
EP (1) EP0615177B1 (fr)
JP (1) JP3402727B2 (fr)
DE (1) DE69418634T2 (fr)
HK (1) HK1014057A1 (fr)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6548218B1 (en) * 1994-06-22 2003-04-15 Canon Kabushiki Kaisha Magnetic particles for charging means, and electrophotographic apparatus, process cartridge and image forming method including same
EP0709746B1 (fr) 1994-10-31 2001-01-10 Canon Kabushiki Kaisha Méthode et appareil de formation d'images, cassette de traitement et utilisation de materiau développateur pour ladite méthode
US5659852A (en) * 1994-10-31 1997-08-19 Canon Kabushiki Kaisha Image forming method, image forming apparatus and process cartridge
JPH08137203A (ja) * 1994-11-09 1996-05-31 Minolta Co Ltd 画像形成装置
EP0735435B1 (fr) * 1995-03-27 2003-08-20 Canon Kabushiki Kaisha Dispositif de chargement
US5790926A (en) * 1995-03-30 1998-08-04 Canon Kabushiki Kaisha Charging member having a raised fiber-entangled material, and process cartridge and electrophotographic apparatus having the charging member
US5805961A (en) * 1995-03-30 1998-09-08 Canon Kabushiki Kaisha Charging member having bristless, process cartridge, and electrophotographic apparatus employing such a charging member
DE69609786T2 (de) * 1995-09-01 2001-03-08 Canon Kk Elektrophotographischer Apparat und Prozesskassette
JPH0990715A (ja) * 1995-09-26 1997-04-04 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
US5835821A (en) * 1995-09-28 1998-11-10 Canon Kabushiki Kaisha Image forming apparatus
DE69622829T2 (de) * 1995-12-18 2003-04-10 Canon Kk Ladegerät und elektrofotografisches Gerät
EP0790535A3 (fr) * 1996-02-14 1999-04-14 Canon Kabushiki Kaisha Dispositif de chargement et appareil électrophotographique
EP0791861B1 (fr) * 1996-02-20 2003-05-07 Canon Kabushiki Kaisha Procédé de formation d'image
JP3262509B2 (ja) * 1996-02-27 2002-03-04 キヤノン株式会社 画像形成装置及びプロセスカートリッジ
US5930566A (en) * 1996-05-02 1999-07-27 Canon Kabushiki Kaisha Electrostatic charging apparatus having conductive particles with a multi-peaked size distribution
US5815777A (en) * 1996-06-07 1998-09-29 Canon Kabushiki Kaisha Image forming apparatus
EP0841595B1 (fr) * 1996-11-12 2004-09-15 Canon Kabushiki Kaisha Elément photosensible, appareil électrophotographique, et cartouche de traitement
JPH10186841A (ja) * 1996-12-24 1998-07-14 Canon Inc 画像形成装置
EP0864936B1 (fr) * 1997-03-05 2005-12-14 Canon Kabushiki Kaisha Appareil de formation d'images
DE69818124T2 (de) * 1997-03-05 2004-07-15 Canon K.K. Aufladungsvorrichtung, Aufladeverfahren, Kassette und Bilderzeugungsgerät
DE69823758T2 (de) * 1997-09-05 2005-05-12 Canon K.K. Bilderzeugungsgerät
US6233419B1 (en) * 1997-09-11 2001-05-15 Canon Kabushiki Kaisha Charging device and image forming apparatus
JPH11295966A (ja) * 1998-04-14 1999-10-29 Nec Niigata Ltd ブラシ型帯電器
US6289190B1 (en) 1998-09-04 2001-09-11 Canon Kabushiki Kaisha Electrophotographic apparatus and process cartridge
JP3315653B2 (ja) * 1998-09-04 2002-08-19 キヤノン株式会社 帯電方法、帯電装置、画像形成装置、及びプロセスカートリッジ
CN1123805C (zh) 1998-11-24 2003-10-08 株式会社理光 图像形成装置中的消电技术及清洁技术的改良
US6272303B1 (en) * 1999-06-28 2001-08-07 Toshiba Tec Kabushiki Kaisha Charging device for electrophotography
US6381431B1 (en) 1999-07-29 2002-04-30 Canon Kabushiki Kaisha Charging apparatus including a magnetic brush with local anti-contamination feature
JP2001235929A (ja) 2000-02-24 2001-08-31 Canon Inc 画像形成装置
US6501916B2 (en) 2000-05-31 2002-12-31 Canon Kabushiki Kaisha Image forming apparatus
JP2003050497A (ja) * 2001-08-08 2003-02-21 Canon Inc 画像形成装置及びプロセスカートリッジ
MXPA02012553A (es) 2001-12-21 2004-09-03 Canon Kk Miembro electrofotografico fotosensible, cartucho de proceso y aparato electrofotografico.
MXPA02012321A (es) 2001-12-21 2004-12-13 Canon Kk Elemento fotosensible electrofotografico, cartucho del proceso y aparato electrofotografico.
JP2005077967A (ja) * 2003-09-03 2005-03-24 Minolta Co Ltd 画像形成装置
US7920810B2 (en) * 2007-08-15 2011-04-05 Hewlett-Packard Development Company, L.P. Electrophotography device with electric field applicator
KR20240064706A (ko) 2021-10-07 2024-05-13 캐논 가부시끼가이샤 화상 형성 장치

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5157958A (en) * 1974-11-15 1976-05-20 Matsushita Electric Ind Co Ltd Shinkusojikino fuirutaajojinsochi
US4555171A (en) * 1982-03-15 1985-11-26 Schlegel Corporation Conductive charge/discharge device
JPH0616213B2 (ja) * 1983-06-06 1994-03-02 富士ゼロックス株式会社 電子写真方法
US4761709A (en) * 1984-10-29 1988-08-02 Xerox Corporation Contact brush charging
JPS63149669A (ja) * 1986-12-15 1988-06-22 Canon Inc 接触帯電方法
JPS63187267A (ja) * 1987-01-30 1988-08-02 Nippon Telegr & Teleph Corp <Ntt> 帯電装置
DE69130523T2 (de) * 1990-09-07 1999-05-20 Konishiroku Photo Ind Aufladevorrichtung
US5305061A (en) * 1990-12-21 1994-04-19 Minolta Camera Kabushiki Kaisha Image forming apparatus having a contact charging device that exhibits uniform charging through reduced residual toner adhesion
US5270768A (en) * 1991-04-24 1993-12-14 Canon Kabushiki Kaisha Charging member containing reduced titanium oxide and device using same
JPH05134517A (ja) * 1991-11-14 1993-05-28 Ricoh Co Ltd 接触帯電装置
US5357323A (en) * 1992-10-26 1994-10-18 Konica Corporation Magnetic brush charging device

Also Published As

Publication number Publication date
DE69418634T2 (de) 1999-10-21
JP3402727B2 (ja) 2003-05-06
US5606401A (en) 1997-02-25
EP0615177B1 (fr) 1999-05-26
DE69418634D1 (de) 1999-07-01
EP0615177A3 (fr) 1995-04-05
JPH075748A (ja) 1995-01-10
EP0615177A2 (fr) 1994-09-14

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20090301