DE69418268D1 - Aufladevorrichtung und Bilderzeugungsgerät mit der Aufladevorrichtung - Google Patents

Aufladevorrichtung und Bilderzeugungsgerät mit der Aufladevorrichtung

Info

Publication number
DE69418268D1
DE69418268D1 DE69418268T DE69418268T DE69418268D1 DE 69418268 D1 DE69418268 D1 DE 69418268D1 DE 69418268 T DE69418268 T DE 69418268T DE 69418268 T DE69418268 T DE 69418268T DE 69418268 D1 DE69418268 D1 DE 69418268D1
Authority
DE
Germany
Prior art keywords
charger
imaging device
imaging
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 - Fee Related
Application number
DE69418268T
Other languages
English (en)
Other versions
DE69418268T2 (de
Inventor
Yoshio Umeda
Teruyuki Naka
Toshiki Yamamura
Seiichi Suzuki
Junichi Nawama
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 JP22180493A external-priority patent/JPH0772704A/ja
Priority claimed from JP5221802A external-priority patent/JPH0772711A/ja
Priority claimed from JP22180593A external-priority patent/JPH0772705A/ja
Priority claimed from JP9536094A external-priority patent/JPH07301971A/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69418268D1 publication Critical patent/DE69418268D1/de
Application granted granted Critical
Publication of DE69418268T2 publication Critical patent/DE69418268T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G03G15/0266—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
    • 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)
DE69418268T 1993-09-07 1994-09-07 Aufladevorrichtung und Bilderzeugungsgerät mit der Aufladevorrichtung Expired - Fee Related DE69418268T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP22180493A JPH0772704A (ja) 1993-09-07 1993-09-07 帯電方法、帯電装置、及び同装置を有する画像形成装置
JP5221802A JPH0772711A (ja) 1993-09-07 1993-09-07 接触帯電方式、接触帯電装置及び画像形成装置
JP22180593A JPH0772705A (ja) 1993-09-07 1993-09-07 帯電器
JP9536094A JPH07301971A (ja) 1994-05-10 1994-05-10 感光体の帯電方法および帯電装置

Publications (2)

Publication Number Publication Date
DE69418268D1 true DE69418268D1 (de) 1999-06-10
DE69418268T2 DE69418268T2 (de) 1999-09-23

Family

ID=27468323

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69418268T Expired - Fee Related DE69418268T2 (de) 1993-09-07 1994-09-07 Aufladevorrichtung und Bilderzeugungsgerät mit der Aufladevorrichtung

Country Status (3)

Country Link
US (1) US5634179A (de)
EP (1) EP0642063B1 (de)
DE (1) DE69418268T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69425954T2 (de) * 1993-12-28 2001-01-18 Matsushita Electric Ind Co Ltd Aufladevorrichtung, Bilderzeugungsgerät mit der Aufladevorrichtung und Verfahren zur Herstellung der Vorrichtung
US6026259A (en) * 1996-12-26 2000-02-15 Minolta Co., Ltd. Contact-type erasing device for image forming apparatus
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
JP4829072B2 (ja) * 2006-01-27 2011-11-30 京セラ株式会社 画像形成装置
US7997185B2 (en) * 2007-03-23 2011-08-16 Mahle Engine Components Usa, Inc. Piston ring
CN102356358B (zh) * 2009-09-10 2014-10-01 佳能株式会社 图像形成装置
JP6056261B2 (ja) * 2012-08-22 2017-01-11 富士ゼロックス株式会社 帯電装置、着脱体、画像形成装置
US9513572B2 (en) 2013-01-30 2016-12-06 Hewlett-Packard Development Company, L.P. Control for a non-contact charging roller
JP2016004070A (ja) * 2014-06-13 2016-01-12 キヤノン株式会社 画像形成装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54156548A (en) * 1978-05-30 1979-12-10 Ricoh Co Ltd Roller for electrophotographic copier
JPS5664359A (en) * 1979-10-31 1981-06-01 Toshiba Corp Charging device in electrophotographic copying machine
JPS56147159A (en) * 1980-04-18 1981-11-14 Toshiba Corp Electrostatically charging device
JPS58194061A (ja) * 1982-05-10 1983-11-11 Toshiba Corp ロ−ラ−帯電装置
US4454559A (en) * 1982-08-30 1984-06-12 Xerox Corporation Control for a corona discharge device
JPH0722675Y2 (ja) * 1986-07-17 1995-05-24 三洋電機株式会社 電子写真装置
US4851960A (en) * 1986-12-15 1989-07-25 Canon Kabushiki Kaisha Charging device
EP0308185B1 (de) * 1987-09-14 1993-11-24 Canon Kabushiki Kaisha Aufladevorrichtung
JPH0830915B2 (ja) * 1988-02-19 1996-03-27 キヤノン株式会社 帯電部材、それを用いた帯電装置および電子写真装置
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
JPH0789249B2 (ja) * 1989-09-14 1995-09-27 キヤノン株式会社 画像形成装置
US5177534A (en) * 1989-12-04 1993-01-05 Canon Kabushiki Kaisha Image forming apparatus with contact-type charge means
JP3283906B2 (ja) * 1992-06-08 2002-05-20 キヤノン株式会社 帯電装置

Also Published As

Publication number Publication date
EP0642063B1 (de) 1999-05-06
US5634179A (en) 1997-05-27
EP0642063A1 (de) 1995-03-08
DE69418268T2 (de) 1999-09-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee