JP2002229306A - 帯電装置、画像形成装置及びプロセスカートリッジ - Google Patents

帯電装置、画像形成装置及びプロセスカートリッジ

Info

Publication number
JP2002229306A
JP2002229306A JP2001024324A JP2001024324A JP2002229306A JP 2002229306 A JP2002229306 A JP 2002229306A JP 2001024324 A JP2001024324 A JP 2001024324A JP 2001024324 A JP2001024324 A JP 2001024324A JP 2002229306 A JP2002229306 A JP 2002229306A
Authority
JP
Japan
Prior art keywords
charging
elastic roller
electrostatic latent
roller
image carrier
Prior art date
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.)
Pending
Application number
JP2001024324A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002229306A5 (enExample
Inventor
Norio Takami
紀夫 高見
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.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2001024324A priority Critical patent/JP2002229306A/ja
Priority to US10/058,407 priority patent/US6690897B2/en
Priority to DE60233086T priority patent/DE60233086D1/de
Priority to EP02002253A priority patent/EP1229400B1/en
Publication of JP2002229306A publication Critical patent/JP2002229306A/ja
Publication of JP2002229306A5 publication Critical patent/JP2002229306A5/ja
Pending legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
JP2001024324A 2001-01-31 2001-01-31 帯電装置、画像形成装置及びプロセスカートリッジ Pending JP2002229306A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2001024324A JP2002229306A (ja) 2001-01-31 2001-01-31 帯電装置、画像形成装置及びプロセスカートリッジ
US10/058,407 US6690897B2 (en) 2001-01-31 2002-01-30 Charging device having rotatable charging roller and DC voltage applying means or source
DE60233086T DE60233086D1 (de) 2001-01-31 2002-01-30 Druckvorrichtung mit einer elastischen Aufladerolle
EP02002253A EP1229400B1 (en) 2001-01-31 2002-01-30 Charging device having elastic charging roller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001024324A JP2002229306A (ja) 2001-01-31 2001-01-31 帯電装置、画像形成装置及びプロセスカートリッジ

Publications (2)

Publication Number Publication Date
JP2002229306A true JP2002229306A (ja) 2002-08-14
JP2002229306A5 JP2002229306A5 (enExample) 2009-07-23

Family

ID=18889479

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001024324A Pending JP2002229306A (ja) 2001-01-31 2001-01-31 帯電装置、画像形成装置及びプロセスカートリッジ

Country Status (4)

Country Link
US (1) US6690897B2 (enExample)
EP (1) EP1229400B1 (enExample)
JP (1) JP2002229306A (enExample)
DE (1) DE60233086D1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9075334B2 (en) 2012-06-28 2015-07-07 Canon Kabushiki Kaisha Image forming apparatus determining charged potential fluctuation of photosensitive member
US10831145B2 (en) 2019-03-19 2020-11-10 Canon Kabushiki Kaisha Power supply including resistors

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3984900B2 (ja) * 2002-09-30 2007-10-03 キヤノン株式会社 離間部材及びプロセスカートリッジ
JP5157097B2 (ja) * 2006-07-18 2013-03-06 株式会社リコー 画像形成装置の帯電工程評価方法

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6298482U (enExample) * 1985-12-12 1987-06-23
JPS63194576A (ja) * 1987-02-04 1988-08-11 Canon Inc 高圧発生装置
JPH0454867A (ja) * 1990-06-22 1992-02-21 Tokyo Electric Co Ltd 高圧電源制御装置
JPH05300734A (ja) * 1992-04-18 1993-11-12 Nippon Purotekutaa:Kk スイッチングレギュレータ
JPH0635292A (ja) * 1992-07-16 1994-02-10 Canon Inc 帯電装置及び画像形成装置
JPH07230195A (ja) * 1994-02-18 1995-08-29 Ricoh Co Ltd 電子写真式画像形成装置
JPH0822170A (ja) * 1994-07-06 1996-01-23 Kyocera Corp 画像形成装置及びその帯電方法
JPH08154376A (ja) * 1994-11-29 1996-06-11 Ricoh Co Ltd スイッチング電源装置及びそれを備えた画像形成装置
JPH0996951A (ja) * 1995-09-29 1997-04-08 Canon Inc 接触帯電装置、画像形成装置、及びプロセスカートリッジ
JPH11143181A (ja) * 1997-11-07 1999-05-28 Canon Inc 帯電装置
JP2001005263A (ja) * 1999-06-25 2001-01-12 Fuji Xerox Co Ltd 帯電装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPS58111055A (ja) * 1981-12-23 1983-07-01 Minolta Camera Co Ltd 複写方法
US4727453A (en) * 1986-12-22 1988-02-23 Xerox Corporation Alternating current inductive charging of a photoreceptor
EP0476981B1 (en) * 1990-09-21 1995-08-02 Katsuragawa Electric Co., Ltd. Method and apparatus for forming electrophotographic image
JP2897494B2 (ja) * 1991-10-04 1999-05-31 キヤノン株式会社 プロセスカートリッジ
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
JP2694316B2 (ja) * 1993-06-17 1997-12-24 シャープ株式会社 帯電装置

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6298482U (enExample) * 1985-12-12 1987-06-23
JPS63194576A (ja) * 1987-02-04 1988-08-11 Canon Inc 高圧発生装置
JPH0454867A (ja) * 1990-06-22 1992-02-21 Tokyo Electric Co Ltd 高圧電源制御装置
JPH05300734A (ja) * 1992-04-18 1993-11-12 Nippon Purotekutaa:Kk スイッチングレギュレータ
JPH0635292A (ja) * 1992-07-16 1994-02-10 Canon Inc 帯電装置及び画像形成装置
JPH07230195A (ja) * 1994-02-18 1995-08-29 Ricoh Co Ltd 電子写真式画像形成装置
JPH0822170A (ja) * 1994-07-06 1996-01-23 Kyocera Corp 画像形成装置及びその帯電方法
JPH08154376A (ja) * 1994-11-29 1996-06-11 Ricoh Co Ltd スイッチング電源装置及びそれを備えた画像形成装置
JPH0996951A (ja) * 1995-09-29 1997-04-08 Canon Inc 接触帯電装置、画像形成装置、及びプロセスカートリッジ
JPH11143181A (ja) * 1997-11-07 1999-05-28 Canon Inc 帯電装置
JP2001005263A (ja) * 1999-06-25 2001-01-12 Fuji Xerox Co Ltd 帯電装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9075334B2 (en) 2012-06-28 2015-07-07 Canon Kabushiki Kaisha Image forming apparatus determining charged potential fluctuation of photosensitive member
US10831145B2 (en) 2019-03-19 2020-11-10 Canon Kabushiki Kaisha Power supply including resistors

Also Published As

Publication number Publication date
US6690897B2 (en) 2004-02-10
DE60233086D1 (de) 2009-09-10
EP1229400B1 (en) 2009-07-29
US20020159793A1 (en) 2002-10-31
EP1229400A2 (en) 2002-08-07
EP1229400A3 (en) 2005-11-16

Similar Documents

Publication Publication Date Title
US5144368A (en) Charging device and image forming apparatus having same
JPH03240076A (ja) 帯電装置
US5459558A (en) Charging device, image forming apparatus with same and a process unit detachably mountable to the image forming apparatus
JP2001305837A (ja) 画像形成装置及びプロセスカートリッジ
JP2005055837A (ja) 画像形成装置における現像方法及び装置
JPH0535167A (ja) 像保持部材、それを用いたプロセスカートリツジ 及び画像形成装置
JP2002229306A (ja) 帯電装置、画像形成装置及びプロセスカートリッジ
JP3278389B2 (ja) 帯電装置
US5649268A (en) Charging device having a voltage with a superimposing component mode having a DC component and an oscillation component and a DC component mode
JP4351887B2 (ja) 画像形成装置における現像方法及び装置
JPH1195530A (ja) 電子写真記録装置
JP4349898B2 (ja) 画像形成装置における現像装置とその現像装置の運転方法
US7756430B1 (en) Apparatus and method for charging an imaging member
JPH10221931A (ja) 画像形成装置
JP4262191B2 (ja) 接触帯電手段を具備した、画像形成装置及び画像形成装置に具備されるプロセスカートリッジ
JP4096167B2 (ja) 電子写真装置
JP3184415B2 (ja) 画像形成装置
JPH03154086A (ja) 画像形成装置の転写装置
JPH03217874A (ja) 接触帯電部材
JPH0792767A (ja) 画像形成装置
JP2002072634A (ja) 画像形成装置
KR100262512B1 (ko) 전자사진형상장치의 블레이드
KR100297757B1 (ko) 습식 전자사진 프린터의 현상장치
JP2007240595A (ja) 画像形成装置
JPH07325459A (ja) 画像形成装置

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080129

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20080129

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080204

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090609

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20100826

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20100831

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20101029

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20110315

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20120110

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20120605