DE69221787D1 - Kontaktaufladevorrichtung - Google Patents

Kontaktaufladevorrichtung

Info

Publication number
DE69221787D1
DE69221787D1 DE69221787T DE69221787T DE69221787D1 DE 69221787 D1 DE69221787 D1 DE 69221787D1 DE 69221787 T DE69221787 T DE 69221787T DE 69221787 T DE69221787 T DE 69221787T DE 69221787 D1 DE69221787 D1 DE 69221787D1
Authority
DE
Germany
Prior art keywords
contact charger
charger
contact
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.)
Expired - Lifetime
Application number
DE69221787T
Other languages
English (en)
Other versions
DE69221787T2 (de
Inventor
Koji Uno
Yasuo Tanaka
Tateki Oka
Hitoshi Saito
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.)
Minolta Co Ltd
Original Assignee
Minolta Co Ltd
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
Priority claimed from JP3186896A external-priority patent/JP3049853B2/ja
Application filed by Minolta Co Ltd filed Critical Minolta Co Ltd
Publication of DE69221787D1 publication Critical patent/DE69221787D1/de
Application granted granted Critical
Publication of DE69221787T2 publication Critical patent/DE69221787T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • G03G15/0283—Arrangements for supplying power to the sensitising device
    • 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
    • G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
    • G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
    • G03G15/1665—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat
    • G03G15/167—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat at least one of the recording member or the transfer member being rotatable during the transfer
    • G03G15/1675—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat at least one of the recording member or the transfer member being rotatable during the transfer with means for controlling the bias applied in the transfer nip

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
DE69221787T 1991-07-01 1992-06-30 Kontaktaufladevorrichtung Expired - Lifetime DE69221787T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3186896A JP3049853B2 (ja) 1991-07-01 1991-07-01 ローラ転写装置
JP16258691 1991-07-03

Publications (2)

Publication Number Publication Date
DE69221787D1 true DE69221787D1 (de) 1997-10-02
DE69221787T2 DE69221787T2 (de) 1998-03-26

Family

ID=26488330

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69221787T Expired - Lifetime DE69221787T2 (de) 1991-07-01 1992-06-30 Kontaktaufladevorrichtung

Country Status (3)

Country Link
US (1) US5287146A (de)
EP (1) EP0521451B1 (de)
DE (1) DE69221787T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3253367B2 (ja) * 1992-09-28 2002-02-04 富士通株式会社 ブラシ帯電器及び画像形成装置
US5381215A (en) * 1992-10-15 1995-01-10 Konica Corporation Image forming apparatus having charger to charge image carrier with magnetic brush
JP3290743B2 (ja) * 1993-03-25 2002-06-10 株式会社東芝 帯電ブラシの製造方法
JP3250701B2 (ja) * 1994-03-25 2002-01-28 東芝テック株式会社 接触帯電装置
JPH08220840A (ja) * 1994-10-05 1996-08-30 Ricoh Co Ltd 帯電ローラ，それを用いたローラ帯電装置およびそれを用いた画像形成装置
KR100346712B1 (ko) * 1999-12-30 2002-08-03 삼성전자 주식회사 인쇄기의 대전장치
JP2001209237A (ja) * 2000-01-28 2001-08-03 Nec Niigata Ltd 接触式帯電装置及び転写装置
RU2584376C1 (ru) 2012-04-03 2016-05-20 Кэнон Кабусики Кайся Устройство формирования изображений

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4981506A (de) * 1972-12-11 1974-08-06
US3924943A (en) * 1974-06-11 1975-12-09 Xerox Corp Segmented biased transfer member
JPS54139736A (en) * 1978-04-21 1979-10-30 Sharp Corp Electrophotographic copier
JPS5635159A (en) * 1979-08-30 1981-04-07 Olympus Optical Co Ltd Bias roller transfer device
US4383752A (en) * 1981-01-05 1983-05-17 Polaroid Corporation Continuous-duty brush polarizer
US4466732A (en) * 1982-06-28 1984-08-21 Xerox Corporation Development system having a bounded electrical bias
US4565438A (en) * 1984-02-01 1986-01-21 Xerox Corporation Development system using electrically field dependent developer material
US4631470A (en) * 1985-12-13 1986-12-23 Rca Corporation Current surge limited power supply
US5012282A (en) * 1988-02-25 1991-04-30 Fujitsu Limited Brush contact type charging unit in an image forming apparatus
US4977430A (en) * 1988-06-24 1990-12-11 Eastman Kodak Company Transfer roller power supply
DE69026199T2 (de) * 1989-11-16 1996-09-05 Canon Kk Bilderzeugungsgerät
JPH03214958A (ja) * 1990-01-19 1991-09-20 Fuji Xerox Co Ltd 高圧電源電流の安定化回路
EP0476981B1 (de) * 1990-09-21 1995-08-02 Katsuragawa Electric Co., Ltd. Verfahren und Gerät zur Erzeugung von elektrophotographischen Bildern

Also Published As

Publication number Publication date
DE69221787T2 (de) 1998-03-26
US5287146A (en) 1994-02-15
EP0521451A3 (en) 1993-11-18
EP0521451A2 (de) 1993-01-07
EP0521451B1 (de) 1997-08-27

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