DE69701060D1 - Ladegerät - Google Patents

Ladegerät

Info

Publication number
DE69701060D1
DE69701060D1 DE69701060T DE69701060T DE69701060D1 DE 69701060 D1 DE69701060 D1 DE 69701060D1 DE 69701060 T DE69701060 T DE 69701060T DE 69701060 T DE69701060 T DE 69701060T DE 69701060 D1 DE69701060 D1 DE 69701060D1
Authority
DE
Germany
Prior art keywords
charger
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
DE69701060T
Other languages
English (en)
Other versions
DE69701060T2 (de
Inventor
Eiichi Kido
Yuhi Yui
Syunju Anzai
Syoichiro Yoshiura
Shinji Imagawa
Hiroaki Yoshida
Yoshikazu Kawasaki
Itaru Kawabata
Keizo Fukunaga
Toyokazu Mori
Masaru Tsuji
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
Priority claimed from JP17027592A external-priority patent/JP2769069B2/ja
Priority claimed from JP4169133A external-priority patent/JP2899172B2/ja
Application filed by Sharp Corp filed Critical Sharp Corp
Publication of DE69701060D1 publication Critical patent/DE69701060D1/de
Application granted granted Critical
Publication of DE69701060T2 publication Critical patent/DE69701060T2/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
    • G03G15/0266—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
    • G03G15/0291—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices corona discharge devices, e.g. wires, pointed electrodes, means for cleaning the corona discharge device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T19/00—Devices providing for corona discharge
    • H01T19/04—Devices providing for corona discharge having pointed electrodes
    • 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
    • G03G2215/026—Arrangements for laying down a uniform charge by coronas
    • G03G2215/028—Arrangements for laying down a uniform charge by coronas using pointed electrodes

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
DE69701060T 1992-06-04 1993-04-16 Ladegerät Expired - Lifetime DE69701060T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP17027592A JP2769069B2 (ja) 1992-06-04 1992-06-04 帯電器
JP4169133A JP2899172B2 (ja) 1992-06-26 1992-06-26 帯電装置

Publications (2)

Publication Number Publication Date
DE69701060D1 true DE69701060D1 (de) 2000-02-10
DE69701060T2 DE69701060T2 (de) 2000-06-08

Family

ID=26492577

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69317071T Expired - Lifetime DE69317071T2 (de) 1992-06-04 1993-04-16 Lader
DE69701060T Expired - Lifetime DE69701060T2 (de) 1992-06-04 1993-04-16 Ladegerät

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69317071T Expired - Lifetime DE69317071T2 (de) 1992-06-04 1993-04-16 Lader

Country Status (3)

Country Link
US (1) US5367366A (de)
EP (2) EP0810487B1 (de)
DE (2) DE69317071T2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5666605A (en) * 1994-10-11 1997-09-09 Konica Corporation Charging unit
US5519217A (en) * 1995-05-08 1996-05-21 Thomson Consumer Electronics, Inc. Apparatus for charging an organic photoconductive layer for a CRT
JP3253829B2 (ja) * 1995-08-08 2002-02-04 シャープ株式会社 帯電装置及びその設計方法
US5742871A (en) * 1996-08-30 1998-04-21 Eastman Kodak Company High duty cycle sawtooth AC charger
JP3944889B2 (ja) * 1997-05-13 2007-07-18 富士フイルム株式会社 ウエブ帯電用装置
JP2007241244A (ja) * 2006-02-13 2007-09-20 Sharp Corp 帯電装置、画像形成装置、および帯電方法
US7647014B2 (en) * 2006-02-13 2010-01-12 Sharp Kabushiki Kaisha Pretransfer charging device and image forming apparatus including same
JP2009003129A (ja) 2007-06-20 2009-01-08 Sharp Corp 帯電装置、画像形成装置、帯電方法、および帯電装置の製造方法
JP4378398B2 (ja) * 2007-06-28 2009-12-02 シャープ株式会社 帯電装置および画像形成装置
JP4399481B2 (ja) * 2007-06-29 2010-01-13 シャープ株式会社 帯電装置、画像形成装置、帯電装置の制御方法、制御プログラム、及び当該制御プログラムを記録したコンピュータ読み取り可能な記録媒体
JP4536087B2 (ja) * 2007-06-29 2010-09-01 シャープ株式会社 イオン発生素子、帯電装置および画像形成装置
JP4536093B2 (ja) * 2007-08-06 2010-09-01 シャープ株式会社 イオン発生素子、イオン発生素子の製造方法、帯電装置、および画像形成装置
JP4538509B2 (ja) * 2008-02-29 2010-09-08 シャープ株式会社 イオン発生素子、帯電装置および画像形成装置
JP2009300597A (ja) * 2008-06-11 2009-12-24 Sharp Corp イオン発生素子、帯電装置および画像形成装置
JP2010145970A (ja) * 2008-12-22 2010-07-01 Sharp Corp イオン発生素子、帯電装置および画像形成装置
JP4940284B2 (ja) * 2009-10-29 2012-05-30 シャープ株式会社 帯電装置、帯電装置を備える画像形成装置、および放電電極形成方法
JP4979791B2 (ja) 2010-04-26 2012-07-18 シャープ株式会社 印刷システム
JP5655801B2 (ja) * 2012-02-29 2015-01-21 コニカミノルタ株式会社 放電装置
JP6380838B2 (ja) * 2013-10-22 2018-08-29 株式会社リコー 画像形成装置
JP6620732B2 (ja) * 2016-12-09 2019-12-18 京セラドキュメントソリューションズ株式会社 帯電装置及びこれを備えた画像形成装置

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US533230A (en) * 1895-01-29 Clasp for garments
US3744898A (en) * 1967-11-28 1973-07-10 Canon Kk Corona discharge apparatus
US3811048A (en) * 1972-09-12 1974-05-14 Xerox Corp Electrophotographic charging apparatus
US4166690A (en) * 1977-11-02 1979-09-04 International Business Machines Corporation Digitally regulated power supply for use in electrostatic transfer reproduction apparatus
US4533230A (en) * 1983-01-26 1985-08-06 Xerox Corporation Pin charging device for use in xerography
US4591713A (en) * 1984-01-03 1986-05-27 Xerox Corporation Efficient, self-limiting corona device for positive or negative charging
JPS6146828A (ja) * 1984-08-10 1986-03-07 Matsushita Electric Ind Co Ltd 換気扇用耐候カバ−
US4725732A (en) * 1986-07-02 1988-02-16 Xerox Corporation Pin corotron and scorotron assembly
US4725731A (en) * 1986-07-02 1988-02-16 Xerox Corporation Photoreceptor deletion control by utilization of corona wind
JPS6355566A (ja) * 1986-08-25 1988-03-10 Minolta Camera Co Ltd 電子写真複写装置
JPS63172182A (ja) * 1987-01-09 1988-07-15 Ricoh Co Ltd コロナ放電装置
US4792680A (en) * 1987-01-12 1988-12-20 Xerox Corporation Corona device having a beryllium copper screen
US4837658A (en) * 1988-12-14 1989-06-06 Xerox Corporation Long life corona charging device
US5079669A (en) * 1989-04-10 1992-01-07 Williams Bruce T Electrophotographic charging system and method
US5018045A (en) * 1989-04-14 1991-05-21 Minolta Camera Kabushiki Kaisha Corona discharger for use in electrophotographic copying machine
JPH034247A (ja) * 1989-05-31 1991-01-10 Toshiba Corp 感光体の表面電位制御装置
JP3072112B2 (ja) * 1990-03-02 2000-07-31 株式会社リコー 画像形成装置
JP3128236B2 (ja) * 1990-11-30 2001-01-29 株式会社東芝 画像形成装置

Also Published As

Publication number Publication date
US5367366A (en) 1994-11-22
DE69317071T2 (de) 1998-08-20
DE69317071D1 (de) 1998-04-02
EP0573758B1 (de) 1998-02-25
EP0573758A2 (de) 1993-12-15
DE69701060T2 (de) 2000-06-08
EP0810487A1 (de) 1997-12-03
EP0573758A3 (de) 1994-02-16
EP0810487B1 (de) 2000-01-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition