JPH01160453U - - Google Patents

Info

Publication number
JPH01160453U
JPH01160453U JP1989043269U JP4326989U JPH01160453U JP H01160453 U JPH01160453 U JP H01160453U JP 1989043269 U JP1989043269 U JP 1989043269U JP 4326989 U JP4326989 U JP 4326989U JP H01160453 U JPH01160453 U JP H01160453U
Authority
JP
Japan
Prior art keywords
light
receiving drum
rotating light
shield body
corona
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
JP1989043269U
Other languages
English (en)
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 filed Critical
Publication of JPH01160453U publication Critical patent/JPH01160453U/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
    • G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
    • G03G15/24—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 whereby at least two steps are performed simultaneously
    • 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
    • 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
    • G03G21/0094—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge fatigue treatment of the photoconductor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例によるコロナ放電装
置の平面図、第２図はスクリーンおよび光源を付
加した本考案の一実施例によるコロナ放電装置の
端面図、第３図は第２図に示したスクリーンの平
面図、第４図は第２図に示したコロナ放電装置の
斜視図、第５図は回転受光ドラムの一部断面図で
ある。 １００：シールド、１０２：コロナ・ワイヤ、
１０４：絶縁端ブロツク、１０６：キヤツプ、１
０８：スロツト、１１２：コネクタ、１１４：ク
リーナ、２１６：保持レール、２１８：スクリー
ン、２２０：回転受光ドラム、５２６：基板、５
２８：光導電層、５３０：絶縁オーバーコート。

Claims (1)

    【実用新案登録請求の範囲】
  1. シールド体と、前記シールド体中に装着される
    と共に正の直流電圧が印加されて正イオンを発生
    させる複数個のコロナワイヤと、前記シールド体
    に装着されると共に所望の電位に維持され前記正
    イオンを回転受光ドラムに荷電させるためのスク
    リーンと、光線が前記回転受光ドラムに到達する
    以前に前記コロナワイヤとスクリーンとを通過す
    るように配置され、前記回転受光ドラムが前記正
    イオンによつて荷電されている間前記回転受光ド
    ラムのうちの一部分を連続的に光照射し該一部分
    以外は光照射されないように配置された光源とよ
    り成る電子写真装置用コロナ放電装置。
JP1989043269U 1981-11-23 1989-04-13 Pending JPH01160453U (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/324,339 US4408865A (en) 1981-11-23 1981-11-23 Corona discharge device for electrophotographic charging and potential leveling

Publications (1)

Publication Number Publication Date
JPH01160453U true JPH01160453U (ja) 1989-11-07

Family

ID=23263164

Family Applications (2)

Application Number Title Priority Date Filing Date
JP57205903A Pending JPS5895363A (ja) 1981-11-23 1982-11-22 電子写真装置用コロナ放電装置
JP1989043269U Pending JPH01160453U (ja) 1981-11-23 1989-04-13

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP57205903A Pending JPS5895363A (ja) 1981-11-23 1982-11-22 電子写真装置用コロナ放電装置

Country Status (2)

Country Link
US (1) US4408865A (ja)
JP (2) JPS5895363A (ja)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6016152U (ja) * 1983-07-12 1985-02-02 ミノルタ株式会社 コロナ帯電装置におけるグリツド板支持機構
JPS6041957U (ja) * 1983-08-30 1985-03-25 富士通株式会社 グリツド制御型帯電器
US4549244A (en) * 1983-12-08 1985-10-22 Xerox Corporation Corona generating device
JPS60140287A (ja) * 1983-12-28 1985-07-25 Mita Ind Co Ltd 除電ランプ装置
US4835571A (en) * 1984-01-31 1989-05-30 Sharp Kabushiki Kaisha Corona discharging unit for use in copying machine
JPS61165764A (ja) * 1985-01-17 1986-07-26 Sharp Corp 電子写真プロセス
US4652754A (en) * 1985-12-23 1987-03-24 Eastman Kodak Company Corona generating apparatus
JP2797397B2 (ja) * 1989-04-14 1998-09-17 日立工機株式会社 電子写真用帯電器
US5008707A (en) * 1989-09-05 1991-04-16 Xerox Corporation Simultaneous charging and exposure for pictorial quality
US5083163A (en) * 1990-07-16 1992-01-21 Minnesota Mining & Manufacturing Company Photoconductor resetting following multiple charge images
US5324942A (en) * 1992-12-17 1994-06-28 Xerox Corporation Tunable scorotron for depositing uniform charge potential
JP3304209B2 (ja) * 1994-09-14 2002-07-22 シャープ株式会社 帯電装置
US7043176B1 (en) * 2002-09-26 2006-05-09 Eastman Kodak Company Apparatus and method for damping a corona wire in an electrographic printer
US7149458B2 (en) * 2005-02-28 2006-12-12 Xerox Corporation Xerographic charging device having three pin arrays
JP5250343B2 (ja) * 2008-08-27 2013-07-31 京セラドキュメントソリューションズ株式会社 画像形成装置および画像形成ユニット
ES2875054T3 (es) 2012-05-15 2021-11-08 Univ Washington Through Its Center For Commercialization Purificadores de aire electrónicos y sistemas y métodos asociados
JP6402989B2 (ja) * 2014-07-25 2018-10-10 株式会社リコー 画像形成装置
US9827573B2 (en) 2014-09-11 2017-11-28 University Of Washington Electrostatic precipitator

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS561963A (en) * 1979-06-20 1981-01-10 Ricoh Co Ltd Electric charger
JPS5615508A (en) * 1979-07-17 1981-02-14 Furukawa Electric Co Ltd Method of manufacturing and laying forced waterrcooled power cable

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3324291A (en) * 1964-07-06 1967-06-06 Xerox Corp Corona generating device with means to cause air flow therethrough to maintain the parts free of dust accumulation
US3678350A (en) * 1971-04-19 1972-07-18 Xerox Corp Electric charging method
JPS4829441A (ja) * 1971-08-20 1973-04-19
JPS51117050A (en) * 1975-04-07 1976-10-14 Ricoh Co Ltd Charge control device for automatic duplicator
US4201465A (en) * 1975-11-26 1980-05-06 Ricoh Company, Ltd. Drum cleaning process and apparatus for electrophotography
US4141648A (en) * 1976-12-15 1979-02-27 International Business Machines Corporation Photoconductor charging technique

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS561963A (en) * 1979-06-20 1981-01-10 Ricoh Co Ltd Electric charger
JPS5615508A (en) * 1979-07-17 1981-02-14 Furukawa Electric Co Ltd Method of manufacturing and laying forced waterrcooled power cable

Also Published As

Publication number Publication date
US4408865A (en) 1983-10-11
JPS5895363A (ja) 1983-06-06

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