DE2967287D1 - Electrophotographic copying machine - Google Patents

Electrophotographic copying machine

Info

Publication number
DE2967287D1
DE2967287D1 DE7979901014T DE2967287T DE2967287D1 DE 2967287 D1 DE2967287 D1 DE 2967287D1 DE 7979901014 T DE7979901014 T DE 7979901014T DE 2967287 T DE2967287 T DE 2967287T DE 2967287 D1 DE2967287 D1 DE 2967287D1
Authority
DE
Germany
Prior art keywords
copying machine
electrophotographic copying
electrophotographic
machine
copying
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
Application number
DE7979901014T
Other languages
English (en)
Inventor
Kazuaki Tagawa
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 JP10472878A external-priority patent/JPS5532051A/ja
Priority claimed from JP10537378A external-priority patent/JPS5532080A/ja
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Application granted granted Critical
Publication of DE2967287D1 publication Critical patent/DE2967287D1/de
Expired 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
DE7979901014T 1978-08-28 1979-08-21 Electrophotographic copying machine Expired DE2967287D1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP10472878A JPS5532051A (en) 1978-08-28 1978-08-28 Destaticizer of copying machine
JP10537378A JPS5532080A (en) 1978-08-29 1978-08-29 Toner scatter preventive device in electrophotographic copier
PCT/JP1979/000221 WO1980000502A1 (en) 1978-08-28 1979-08-21 Electrophotographic copying machine

Publications (1)

Publication Number Publication Date
DE2967287D1 true DE2967287D1 (en) 1984-12-13

Family

ID=26445130

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979901014T Expired DE2967287D1 (en) 1978-08-28 1979-08-21 Electrophotographic copying machine

Country Status (4)

Country Link
US (1) US4351603A (de)
EP (1) EP0020768B1 (de)
DE (1) DE2967287D1 (de)
WO (1) WO1980000502A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5821771A (ja) * 1981-08-01 1983-02-08 Konishiroku Photo Ind Co Ltd 静電潜像現像装置
JPS59155879A (ja) * 1983-02-25 1984-09-05 Fuji Xerox Co Ltd 静電荷除去装置
US4739363A (en) * 1985-03-26 1988-04-19 Canon Kabushiki Kaisha Image forming apparatus
JP2675558B2 (ja) * 1987-11-02 1997-11-12 株式会社東芝 画像形成装置
US5228446A (en) * 1989-12-22 1993-07-20 Unger Evan C Gas filled liposomes and their use as ultrasonic contrast agents
US5209720A (en) * 1989-12-22 1993-05-11 Unger Evan C Methods for providing localized therapeutic heat to biological tissues and fluids using gas filled liposomes
JP3351143B2 (ja) * 1994-12-15 2002-11-25 富士ゼロックス株式会社 画像形成装置
JPH09171333A (ja) * 1995-10-17 1997-06-30 Fuji Xerox Co Ltd 画像形成方法及びその装置
US6026259A (en) * 1996-12-26 2000-02-15 Minolta Co., Ltd. Contact-type erasing device for image forming apparatus
JP2003215891A (ja) * 2002-01-25 2003-07-30 Sharp Corp 帯電装置
US7130178B2 (en) * 2003-03-11 2006-10-31 Sarnoff Corporation Corona charging device and methods
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

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2701764A (en) * 1951-05-02 1955-02-08 Chester F Carlson Electrophotographic apparatus and methods
US2836725A (en) * 1956-11-19 1958-05-27 Haloid Co Corona charging device
US3301126A (en) * 1964-09-30 1967-01-31 Xerox Corp Reproducing apparatus
US3339069A (en) * 1964-10-14 1967-08-29 Xerox Corp Corona charging device with means to prevent toner dust contamination
US3412710A (en) * 1966-10-11 1968-11-26 Xerox Corp Cleanup electrode
JPS5110784B1 (de) * 1970-12-02 1976-04-06
JPS49116912U (de) * 1973-02-05 1974-10-05
JPS49123628A (de) * 1973-03-31 1974-11-26
JPS5030532A (de) * 1973-07-04 1975-03-26
JPS5444594Y2 (de) * 1973-07-27 1979-12-21
US4201465A (en) * 1975-11-26 1980-05-06 Ricoh Company, Ltd. Drum cleaning process and apparatus for electrophotography
US4260235A (en) * 1979-03-26 1981-04-07 International Business Machines Corporation Contamination prevention system

Also Published As

Publication number Publication date
EP0020768B1 (de) 1984-11-07
WO1980000502A1 (en) 1980-03-20
EP0020768A4 (de) 1981-02-04
EP0020768A1 (de) 1981-01-07
US4351603A (en) 1982-09-28

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee