DE3236385A1 - Entwicklervorrichtung, insbesondere fuer ein elektronisches kopiergeraet - Google Patents

Entwicklervorrichtung, insbesondere fuer ein elektronisches kopiergeraet

Info

Publication number
DE3236385A1
DE3236385A1 DE19823236385 DE3236385A DE3236385A1 DE 3236385 A1 DE3236385 A1 DE 3236385A1 DE 19823236385 DE19823236385 DE 19823236385 DE 3236385 A DE3236385 A DE 3236385A DE 3236385 A1 DE3236385 A1 DE 3236385A1
Authority
DE
Germany
Prior art keywords
voltage
roller
toner
voltage source
applying
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.)
Granted
Application number
DE19823236385
Other languages
German (de)
English (en)
Other versions
DE3236385C2 (de
Inventor
Tsuneo Sagamihara Kanagawa Tashiro
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric 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 JP56155145A external-priority patent/JPS5857154A/ja
Priority claimed from JP56213017A external-priority patent/JPS58113959A/ja
Application filed by Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Publication of DE3236385A1 publication Critical patent/DE3236385A1/de
Application granted granted Critical
Publication of DE3236385C2 publication Critical patent/DE3236385C2/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
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
    • 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
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/065—Arrangements for controlling the potential of the developing electrode
    • 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
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
    • G03G15/0812—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the developer regulating means, e.g. structure of doctor blade
    • 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
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
    • G03G15/0813—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by means in the developing zone having an interaction with the image carrying member, e.g. distance holders
    • 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
    • G03G2215/06—Developing structures, details
    • G03G2215/0602—Developer
    • G03G2215/0604—Developer solid type
    • G03G2215/0614—Developer solid type one-component
    • G03G2215/0617—Developer solid type one-component contact development (i.e. the developer layer on the donor member contacts the latent image carrier)
    • 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
    • G03G2215/06—Developing structures, details
    • G03G2215/0634—Developing device
    • G03G2215/0636—Specific type of dry developer device
    • 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
    • G03G2215/06—Developing structures, details
    • G03G2215/0634—Developing device
    • G03G2215/0636—Specific type of dry developer device
    • G03G2215/0643—Electrodes in developing area, e.g. wires, not belonging to the main donor part

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Developing For Electrophotography (AREA)
DE3236385A 1981-09-30 1982-10-01 Entwicklervorrichtung Expired DE3236385C2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP56155145A JPS5857154A (ja) 1981-09-30 1981-09-30 静電潜像現像装置
JP56213017A JPS58113959A (ja) 1981-12-26 1981-12-26 現像装置

Publications (2)

Publication Number Publication Date
DE3236385A1 true DE3236385A1 (de) 1983-04-14
DE3236385C2 DE3236385C2 (de) 1987-02-19

Family

ID=26483218

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3236385A Expired DE3236385C2 (de) 1981-09-30 1982-10-01 Entwicklervorrichtung

Country Status (2)

Country Link
US (1) US4478505A ( )
DE (1) DE3236385C2 ( )

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3431967A1 (de) * 1983-08-31 1985-03-14 Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa Entwicklungsvorrichtung
EP0245678A2 (en) * 1986-05-09 1987-11-19 International Business Machines Corporation An electrophotographic apparatus
EP0323252A2 (en) * 1987-12-29 1989-07-05 Kabushiki Kaisha Toshiba Apparatus for electrophotographic process
EP0334581A2 (en) * 1988-03-21 1989-09-27 Xerox Corporation Apparatus for developing latent electrostatic images
EP0375432A2 (en) * 1988-12-22 1990-06-27 Xerox Corporation Method and apparatus for creating images

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2120960B (en) * 1982-05-31 1986-10-01 Ricoh Kk Developer device
US4607938A (en) * 1983-04-26 1986-08-26 Canon Kabushiki Kaisha Method and apparatus for forming a thin layer of developer
US4660958A (en) * 1983-05-10 1987-04-28 Canon Kabushiki Kaisha Developing apparatus
US4607933A (en) * 1983-07-14 1986-08-26 Konishiroku Photo Industry Co., Ltd. Method of developing images and image recording apparatus utilizing such method
US4610531A (en) * 1983-09-05 1986-09-09 Canon Kabushiki Kaisha Developing method and apparatus
JPS61183664A (ja) * 1985-02-08 1986-08-16 Ricoh Co Ltd 静電荷像現像用トナ−
US4727463A (en) * 1985-06-13 1988-02-23 Canon Kabushiki Kaisha Power supply device comprising means for modulating the output thereof
US4646677A (en) * 1985-11-07 1987-03-03 Sonoco Products Company Disposable roller for use in xerographic copier machines
JPS6326667A (ja) * 1986-07-18 1988-02-04 Sharp Corp 非磁性１成分現像剤を使用した現像装置
US5220129A (en) * 1989-03-20 1993-06-15 Fujitsu Ltd. Developing device used in electrophotographic field
US5097294A (en) * 1989-03-20 1992-03-17 Fujitsu Limited Developing device used in electrophotographic field with a one-component developer and having a blade member for developer layer thickness regulation
JPH0363677A (ja) * 1989-08-01 1991-03-19 Fujitsu Ltd 一成分トナー現像装置
US5031570A (en) * 1989-10-20 1991-07-16 Xerox Corporation Printing apparatus and toner/developer delivery system therefor
US5010367A (en) * 1989-12-11 1991-04-23 Xerox Corporation Dual AC development system for controlling the spacing of a toner cloud
US5504563A (en) * 1991-07-01 1996-04-02 Xerox Corporation Scavengeless donor roll development
US5144371A (en) * 1991-08-02 1992-09-01 Xerox Corporation Dual AC/dual frequency scavengeless development
US5339142A (en) * 1992-07-30 1994-08-16 Xerox Corporation AC/DC spatially programmable donor roll for xerographic development
US5276488A (en) * 1992-08-31 1994-01-04 Xerox Corporation Donor belt and electrode structure supported behind the belt for developing electrostatic images with toner
US5422708A (en) * 1993-12-23 1995-06-06 Morris; Troy Apparatus and method for metering toner in laser printers
US5742884A (en) * 1996-05-15 1998-04-21 Xerox Corporation Hybrid scavengeless development using a rigid porous planar electrode member
US6183079B1 (en) 1998-06-11 2001-02-06 Lexmark International, Inc. Coating apparatus for use in an ink jet printer
US6684047B2 (en) * 2000-04-10 2004-01-27 Seiko Epson Corporation Image forming apparatus with reduced image defects
US6706118B2 (en) * 2002-02-26 2004-03-16 Lexmark International, Inc. Apparatus and method of using motion control to improve coatweight uniformity in intermittent coaters in an inkjet printer
US7111916B2 (en) * 2002-02-27 2006-09-26 Lexmark International, Inc. System and method of fluid level regulating for a media coating system
US6955721B2 (en) * 2002-02-28 2005-10-18 Lexmark International, Inc. System and method of coating print media in an inkjet printer
US7904008B2 (en) * 2008-11-03 2011-03-08 Jang Yi Method of using multiple developing members in a single-component developing system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2839218A1 (de) * 1977-09-10 1979-03-22 Canon Kk Verfahren und vorrichtung fuer das entwickeln von ladungsbildern

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3908037A (en) * 1971-09-14 1975-09-23 Xerox Corp Image developing techniques
US4007707A (en) * 1975-01-21 1977-02-15 Itek Corporation Xerographic development apparatus having a large reservoir for controlled flow through a narrow development zone
JPS5451846A (en) * 1977-09-30 1979-04-24 Ricoh Co Ltd Electrostatic latent image developing device
JPS5627158A (en) * 1979-08-10 1981-03-16 Minolta Camera Co Ltd Electrostatic latent image developing method
JPS56116060A (en) * 1980-02-19 1981-09-11 Canon Inc Developing device
US4385829A (en) * 1980-03-04 1983-05-31 Canon Kabushiki Kaisha Image developing method and device therefor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2839218A1 (de) * 1977-09-10 1979-03-22 Canon Kk Verfahren und vorrichtung fuer das entwickeln von ladungsbildern

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3431967A1 (de) * 1983-08-31 1985-03-14 Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa Entwicklungsvorrichtung
EP0245678A2 (en) * 1986-05-09 1987-11-19 International Business Machines Corporation An electrophotographic apparatus
EP0245678A3 (en) * 1986-05-09 1988-11-17 International Business Machines Corporation An electrophotographic apparatus
EP0323252A2 (en) * 1987-12-29 1989-07-05 Kabushiki Kaisha Toshiba Apparatus for electrophotographic process
EP0323252A3 (en) * 1987-12-29 1990-04-11 Toshiba Kk Apparatus for electrophotographic process
EP0334581A2 (en) * 1988-03-21 1989-09-27 Xerox Corporation Apparatus for developing latent electrostatic images
EP0334581A3 (en) * 1988-03-21 1991-03-13 Xerox Corporation Apparatus for developing latent electrostatic images
EP0375432A2 (en) * 1988-12-22 1990-06-27 Xerox Corporation Method and apparatus for creating images
EP0375432A3 (en) * 1988-12-22 1990-10-10 Xerox Corporation Method and apparatus for creating images

Also Published As

Publication number Publication date
US4478505A (en) 1984-10-23
DE3236385C2 (de) 1987-02-19

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8180 Miscellaneous part 1

Free format text: DER AT LAUTET RICHTIG: 30.09.82

8128 New person/name/address of the agent

Representative=s name: HENKEL, G., DR.PHIL. FEILER, L., DR.RER.NAT. HAENZ

D2 Grant after examination
8327 Change in the person/name/address of the patent owner

Owner name: KABUSHIKI KAISHA TOSHIBA, KAWASAKI, KANAGAWA, JP

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee