EP0525616A3 - - Google Patents

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Publication number
EP0525616A3
EP0525616A3 EP19920112537 EP92112537A EP0525616A3 EP 0525616 A3 EP0525616 A3 EP 0525616A3 EP 19920112537 EP19920112537 EP 19920112537 EP 92112537 A EP92112537 A EP 92112537A EP 0525616 A3 EP0525616 A3 EP 0525616A3
Authority
EP
European Patent Office
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.)
Withdrawn
Application number
EP19920112537
Other versions
EP0525616A2 (en
Inventor
Eiichi Kido
Yuhi Yui
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Publication of EP0525616A2 publication Critical patent/EP0525616A2/en
Publication of EP0525616A3 publication Critical patent/EP0525616A3/xx
Withdrawn legal-status Critical Current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
    • 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
    • G03G21/08—Eliminating residual charges from a reusable imaging member using optical radiation
    • 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
    • G03G15/0266—Arrangements for controlling the amount of charge
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
EP19920112537 1991-07-23 1992-07-22 Charging device Withdrawn EP0525616A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3182594A JPH0527557A (ja) 1991-07-23 1991-07-23 帯電装置
JP182594/91 1991-07-23

Publications (2)

Publication Number Publication Date
EP0525616A2 EP0525616A2 (en) 1993-02-03
EP0525616A3 true EP0525616A3 (he) 1994-04-27

Family

ID=16121016

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920112537 Withdrawn EP0525616A2 (en) 1991-07-23 1992-07-22 Charging device

Country Status (2)

Country Link
EP (1) EP0525616A2 (he)
JP (1) JPH0527557A (he)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5572295A (en) * 1994-01-14 1996-11-05 Mita Industrial Co., Ltd. Voltage control device for a charge
US5697010A (en) * 1994-08-22 1997-12-09 Canon Kabushiki Kaisha Image forming apparatus having detection means to maintain image formation condition
JPH0887215A (ja) * 1994-09-16 1996-04-02 Canon Inc 画像形成装置
KR0163810B1 (ko) * 1994-09-28 1999-03-20 켄지 히루마 화상형성장치
JP3372410B2 (ja) * 1994-09-28 2003-02-04 株式会社リコー 画像形成装置
JP3109981B2 (ja) * 1995-06-30 2000-11-20 キヤノン株式会社 画像形成装置
US6122460A (en) * 1999-12-02 2000-09-19 Lexmark International, Inc. Method and apparatus for automatically compensating a degradation of the charge roller voltage in a laser printer
JP2003280264A (ja) * 2002-03-20 2003-10-02 Ricoh Co Ltd 画像形成装置
JP2005326727A (ja) * 2004-05-17 2005-11-24 Fuji Xerox Co Ltd 交換ユニットが装着された画像形成装置
JP5436183B2 (ja) * 2009-12-14 2014-03-05 キヤノン株式会社 画像形成装置
JP6440456B2 (ja) * 2014-10-31 2018-12-19 キヤノン株式会社 画像形成方法および画像形成装置
JP6561658B2 (ja) * 2014-12-24 2019-08-21 株式会社リコー 画像形成装置
JP6531734B2 (ja) * 2016-07-27 2019-06-19 京セラドキュメントソリューションズ株式会社 画像形成装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5890652A (ja) * 1981-11-24 1983-05-30 Minolta Camera Co Ltd 表面電位制御方法
JPS58136057A (ja) * 1982-02-08 1983-08-12 Canon Inc 高圧発生装置
JPS58169170A (ja) * 1982-03-31 1983-10-05 Ricoh Co Ltd 複写装置
JPS5969774A (ja) * 1982-10-14 1984-04-20 Fuji Electric Co Ltd 電子写真用感光体の感光層膜厚測定方法
JPS63118783A (ja) * 1986-11-07 1988-05-23 Ricoh Co Ltd 電子写真複写機
JPS63239482A (ja) * 1987-03-27 1988-10-05 Nec Corp 電子写真印刷装置の除電装置
EP0338546A2 (en) * 1988-04-20 1989-10-25 Canon Kabushiki Kaisha Charger and image forming apparatus with same
JPH02195366A (ja) * 1989-01-25 1990-08-01 Sharp Corp 画像形成装置の帯電装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5835548A (ja) * 1981-08-27 1983-03-02 Canon Inc 画像形成装置
JPS58186753A (ja) * 1982-04-24 1983-10-31 Canon Inc 電子写真方法及び装置
JPS61138267A (ja) * 1984-12-10 1986-06-25 Sharp Corp 感光体の感度補正方法
JPH0654401B2 (ja) * 1986-12-19 1994-07-20 新電元工業株式会社 画像形成装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5890652A (ja) * 1981-11-24 1983-05-30 Minolta Camera Co Ltd 表面電位制御方法
JPS58136057A (ja) * 1982-02-08 1983-08-12 Canon Inc 高圧発生装置
JPS58169170A (ja) * 1982-03-31 1983-10-05 Ricoh Co Ltd 複写装置
JPS5969774A (ja) * 1982-10-14 1984-04-20 Fuji Electric Co Ltd 電子写真用感光体の感光層膜厚測定方法
JPS63118783A (ja) * 1986-11-07 1988-05-23 Ricoh Co Ltd 電子写真複写機
JPS63239482A (ja) * 1987-03-27 1988-10-05 Nec Corp 電子写真印刷装置の除電装置
EP0338546A2 (en) * 1988-04-20 1989-10-25 Canon Kabushiki Kaisha Charger and image forming apparatus with same
JPH02195366A (ja) * 1989-01-25 1990-08-01 Sharp Corp 画像形成装置の帯電装置

Non-Patent Citations (7)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 12, no. 368 (P - 766)<3215> 4 October 1988 (1988-10-04) *
PATENT ABSTRACTS OF JAPAN vol. 13, no. 43 (P - 821)<3391> 31 January 1989 (1989-01-31) *
PATENT ABSTRACTS OF JAPAN vol. 14, no. 482 (P - 1119) 19 October 1990 (1990-10-19) *
PATENT ABSTRACTS OF JAPAN vol. 7, no. 192 (P - 218)<1337> 23 August 1983 (1983-08-23) *
PATENT ABSTRACTS OF JAPAN vol. 7, no. 253 (P - 235)<1398> 10 November 1983 (1983-11-10) *
PATENT ABSTRACTS OF JAPAN vol. 8, no. 175 (P - 294)<1612> 11 August 1984 (1984-08-11) *
PATENT ABSTRACTS OF JAPAN vol. 8, no. 6 (P - 247)<1443> 12 January 1984 (1984-01-12) *

Also Published As

Publication number Publication date
JPH0527557A (ja) 1993-02-05
EP0525616A2 (en) 1993-02-03

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