DE2839178C2 - - Google Patents

Info

Publication number
DE2839178C2
DE2839178C2 DE2839178A DE2839178A DE2839178C2 DE 2839178 C2 DE2839178 C2 DE 2839178C2 DE 2839178 A DE2839178 A DE 2839178A DE 2839178 A DE2839178 A DE 2839178A DE 2839178 C2 DE2839178 C2 DE 2839178C2
Authority
DE
Germany
Prior art keywords
developer
magnetic
magnetic field
layer
carrier
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
DE2839178A
Other languages
German (de)
English (en)
Other versions
DE2839178A1 (de
Inventor
Nagao Shizuoka Chiba Jp Hosono
Koichi Narashino Chiba Jp Kinoshita
Toru Tokio/Tokyo Jp Takahashi
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.)
Canon Inc
Original Assignee
Canon Inc
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 JP10924077A external-priority patent/JPS598831B2/ja
Priority claimed from JP10924177A external-priority patent/JPS5443038A/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of DE2839178A1 publication Critical patent/DE2839178A1/de
Application granted granted Critical
Publication of DE2839178C2 publication Critical patent/DE2839178C2/de
Granted 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
    • G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S222/00—Dispensing
    • Y10S222/01—Xerography

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
DE19782839178 1977-09-10 1978-09-08 Entwicklungseinrichtung fuer ladungsbilder Granted DE2839178A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10924077A JPS598831B2 (ja) 1977-09-10 1977-09-10 トナ−層形成装置
JP10924177A JPS5443038A (en) 1977-09-10 1977-09-10 Electrostatic image developing device

Publications (2)

Publication Number Publication Date
DE2839178A1 DE2839178A1 (de) 1979-03-22
DE2839178C2 true DE2839178C2 ( ) 1988-12-29

Family

ID=26449024

Family Applications (2)

Application Number Title Priority Date Filing Date
DE2858717A Expired - Lifetime DE2858717C2 ( ) 1977-09-10 1978-09-08
DE19782839178 Granted DE2839178A1 (de) 1977-09-10 1978-09-08 Entwicklungseinrichtung fuer ladungsbilder

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE2858717A Expired - Lifetime DE2858717C2 ( ) 1977-09-10 1978-09-08

Country Status (6)

Country Link
US (5) US4386577A ( )
DE (2) DE2858717C2 ( )
FR (1) FR2402896A1 ( )
GB (2) GB2081135B ( )
HK (1) HK35684A ( )
SG (1) SG24283G ( )

Families Citing this family (81)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4235194A (en) * 1978-03-09 1980-11-25 Minolta Camera Kabushiki Kaisha Dry process developing apparatus for use in electrophotographic copying machine
JPS55126266A (en) * 1979-03-23 1980-09-29 Hitachi Metals Ltd Electrophotographic method
US5194359A (en) * 1978-07-28 1993-03-16 Canon Kabushiki Kaisha Developing method for one component developer
CA1138723A (en) * 1978-07-28 1983-01-04 Tsutomu Toyono Developing method for developer transfer under electrical bias and apparatus therefor
US5044310A (en) * 1978-07-28 1991-09-03 Canon Kabushiki Kaisha Developing apparatus for non-magnetic developer
GB2046634B (en) * 1979-02-02 1983-09-28 Canon Kk Magnetic brush developer
US4341179A (en) * 1979-03-01 1982-07-27 Canon Kabushiki Kaisha Developing device
DE2935670C2 (de) * 1979-09-04 1982-12-16 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zur staubfreien Lagerung eines drehbaren Hohlzylinders in einem Partikel enthaltenden Behälter
DE3107055A1 (de) * 1980-03-04 1982-01-07 Canon K.K., Tokyo "entwicklungsvorrichtung"
US4318607A (en) * 1980-07-14 1982-03-09 Xerox Corporation Magnet for a development system
JPS57151974A (en) * 1981-03-17 1982-09-20 Konishiroku Photo Ind Co Ltd Developing device
JPS57165866A (en) * 1981-04-07 1982-10-13 Toshiba Corp Developing device
DE3241607A1 (de) * 1981-11-10 1983-05-19 Ricoh Co., Ltd., Tokyo Entwicklungseinrichtung
JPS5893085A (ja) * 1981-11-27 1983-06-02 Mita Ind Co Ltd 静電式複写機のクリ−ニング装置
JPS58132774A (ja) * 1982-02-03 1983-08-08 Toshiba Corp 電子写真クリ−ニング装置
GB2114919B (en) * 1982-02-17 1986-06-25 Ricoh Kk A developing device
JPS58143360A (ja) * 1982-02-19 1983-08-25 Canon Inc 現像方法
DE3311890A1 (de) * 1982-03-31 1983-10-06 Ricoh Kk Entwicklungeinrichtung
US4579082A (en) * 1982-09-02 1986-04-01 Canon Kabushiki Kaisha Developing apparatus
GB2128109B (en) * 1982-10-15 1986-10-29 Ricoh Kk Development of electrostatic images
DE3405199A1 (de) * 1983-02-14 1984-08-16 Ricoh Co., Ltd., Tokio/Tokyo Entwicklungseinrichtung fuer ein kopiergeraet
US4637706A (en) * 1983-06-14 1987-01-20 Canon Kabushiki Kaisha Developer thin layer forming apparatus
US4473029A (en) * 1983-07-01 1984-09-25 Eastman Kodak Company Electrographic magnetic brush development method, apparatus and system
US4602863A (en) * 1983-07-01 1986-07-29 Eastman Kodak Company Electrographic development method, apparatus and system
US4583490A (en) * 1983-08-18 1986-04-22 Canon Kabushiki Kaisha Thin developer layer forming apparatus
JPS6054149U (ja) * 1983-09-20 1985-04-16 株式会社東芝 現像装置
DE3462633D1 (en) * 1983-09-30 1987-04-16 Toshiba Kk Developing apparatus
US4587929A (en) * 1984-11-30 1986-05-13 Xerox Corporation Closed loop mechanical development control system
US4760422A (en) * 1985-01-16 1988-07-26 Ricoh Company, Ltd. Developing device using single component toner
DE3681998D1 (de) * 1985-08-30 1991-11-21 Konishiroku Photo Ind Entwicklungsverfahren fuer ein latentes elektrostatisches bild.
JP2554249B2 (ja) * 1985-09-30 1996-11-13 キヤノン株式会社 現像装置
US4908291A (en) * 1986-02-18 1990-03-13 Konishiroku Photo Industry Co., Ltd. Method of regulating the thickness of a developer layer containing magnetic carrier and toner particles
JPS62278578A (ja) * 1986-05-26 1987-12-03 Toshiba Corp 現像装置
US4814818A (en) * 1986-10-09 1989-03-21 Konishiroku Photo Industry Co., Ltd. Developer layer forming apparatus
US4777904A (en) * 1986-12-22 1988-10-18 Xerox Corporation Touchdown development apparatus
US5140373A (en) * 1987-02-13 1992-08-18 Minolta Camera Kabushiki Kaisha Electrostatic latent image developing apparatus with bristle height adjusting member
US4887131A (en) * 1987-03-16 1989-12-12 Canon Kabushiki Kaisha Developing apparatus using magnetic particles and toner particles
JPH0194366A (ja) * 1987-10-07 1989-04-13 Canon Inc 現像装置
US5084733A (en) * 1987-10-28 1992-01-28 Canon Kabushiki Kaisha Developing apparatus having developer layer regulation means
US4876574A (en) * 1987-11-04 1989-10-24 Canon Kabushiki Kaisha Developing apparatus
DE68923484T2 (de) * 1988-05-09 1996-02-15 Konishiroku Photo Ind Bildaufzeichnungsgerät.
JPH0250182A (ja) * 1988-05-30 1990-02-20 Canon Inc 現像装置
US5177536A (en) * 1989-03-31 1993-01-05 Canon Kabushiki Kaisha Developing apparatus having a magnetic seal
ATE136663T1 (de) * 1989-05-30 1996-04-15 Canon Kk Magnetischer toner für die entwicklung elektronischer bilder
JP2646393B2 (ja) * 1989-05-31 1997-08-27 キヤノン株式会社 現像装置
US5227849A (en) * 1989-07-03 1993-07-13 Canon Kabushiki Kaisha Developing apparatus and developer carrying member usable therewith
JP2892456B2 (ja) * 1989-08-04 1999-05-17 キヤノン株式会社 現像装置
US5202731A (en) * 1989-09-27 1993-04-13 Canon Kabushiki Kaisha Image forming apparatus having an alternating bias electric field
EP0420197B1 (en) * 1989-09-27 1994-03-02 Canon Kabushiki Kaisha Image forming method and image forming apparatus
US5157226A (en) * 1989-10-17 1992-10-20 Canon Kabushiki Kaisha Developing apparatus producing toner powder cloud for developing images
US5177537A (en) * 1989-12-20 1993-01-05 Canon Kabushiki Kaisha Developing apparatus with elastic regulating member urged to a developer carrying member
US5185496A (en) * 1990-03-02 1993-02-09 Canon Kabushiki Kaisha Electrostatic latent image device having a coating layer provided on a developer carrying member
JP2899079B2 (ja) * 1990-07-10 1999-06-02 キヤノン株式会社 現像装置
JP2843660B2 (ja) * 1990-08-30 1999-01-06 キヤノン株式会社 現像装置
JPH04136965A (ja) * 1990-09-28 1992-05-11 Canon Inc 現像装置
US5202729A (en) * 1990-10-26 1993-04-13 Canon Kabushiki Kaisha Developing apparatus having a coated developing roller
JPH04166850A (ja) * 1990-10-30 1992-06-12 Canon Inc Ｍｉｃｒプリンター
US5260748A (en) * 1990-12-14 1993-11-09 Infographix, Inc. Electrostatic image developer dispenser
US5142327A (en) * 1991-04-09 1992-08-25 Infographix, Inc. Electrophotographic copying process using two image areas
JP3049675B2 (ja) * 1992-06-30 2000-06-05 キヤノン株式会社 画像形成方法
US5517286A (en) * 1993-01-28 1996-05-14 Canon Kabushiki Kaisha Developing apparatus
JPH06336049A (ja) * 1993-05-31 1994-12-06 Brother Ind Ltd 画像形成装置
US5666620A (en) * 1993-12-22 1997-09-09 Canon Kabushiki Kaisha Developing device for peeling toner using peeling rotary member
US5583622A (en) * 1994-03-15 1996-12-10 Mita Industrial Co., Ltd. Developing apparatus having a limiting member for limiting and separating a tip of a developer brush
JPH0844206A (ja) * 1994-07-26 1996-02-16 Toshiba Corp 現像装置
JPH08211734A (ja) * 1995-02-03 1996-08-20 Brother Ind Ltd 現像装置
JP3530676B2 (ja) 1995-04-26 2004-05-24 キヤノン株式会社 光受容部材の製造方法、該光受容部材、該光受容部材を有する電子写真装置及び該光受容部材を用いた電子写真プロセス
US5765080A (en) * 1996-06-17 1998-06-09 Xerox Corporation Magnetic development zone toner supply enhancement
JP3310549B2 (ja) * 1996-07-24 2002-08-05 シャープ株式会社 非磁性一成分現像剤を使用した現像装置
US5875379A (en) * 1996-08-23 1999-02-23 Minolta Co., Ltd. Developing device capable of preventing cracking of developer due to pressing of a developer layer controlling member
JP3241614B2 (ja) * 1996-10-31 2001-12-25 シャープ株式会社 現像装置
JPH10228168A (ja) * 1997-02-17 1998-08-25 Canon Inc 現像装置
KR100265156B1 (ko) * 1997-04-23 2000-09-15 윤종용 현상기의토너공급및농도균일화장치
JP3410329B2 (ja) * 1997-05-30 2003-05-26 京セラ株式会社 現像装置
JP3919381B2 (ja) 1999-05-14 2007-05-23 キヤノン株式会社 現像装置、現像カートリッジ、プロセスカートリッジおよび画像形成装置
US6671483B2 (en) * 2001-11-29 2003-12-30 Xerox Corporation Apparatus and method for non-interactive magnetic brush development
JP4110035B2 (ja) * 2003-04-30 2008-07-02 キヤノン株式会社 画像形成装置
US7013104B2 (en) 2004-03-12 2006-03-14 Lexmark International, Inc. Toner regulating system having toner regulating member with metallic coating on flexible substrate
US7236729B2 (en) 2004-07-27 2007-06-26 Lexmark International, Inc. Electrophotographic toner regulating member with induced strain outside elastic response region
US8494418B2 (en) * 2009-12-21 2013-07-23 Kyocera Mita Corporation Development device and image forming apparatus having the same
US9261810B2 (en) * 2013-08-09 2016-02-16 Xerox Corporation Marking material delivery apparatus having multiple charge blades

Family Cites Families (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE564031A ( ) * 1957-01-18
US3026737A (en) * 1960-07-22 1962-03-27 Pic Design Corp Belt transmission system
US3292045A (en) * 1964-04-23 1966-12-13 Oxy Dry Sprayer Corp Electrostatic powder sprayer
GB1043989A (en) * 1964-09-28 1966-09-28 Head Wrightson & Co Ltd Improvements in and relating to powdered coatings
JPS4329471Y1 ( ) * 1965-08-30 1968-12-04
US3882821A (en) * 1969-03-08 1975-05-13 Canon Kk Developing device for electrophotography
DE2010737C3 (de) * 1969-03-08 1979-12-13 Canon K.K., Tokio Elektrophotographische Entwicklungsvorrichtung
JPS5028177B1 ( ) * 1969-07-01 1975-09-12
US3667428A (en) * 1969-07-01 1972-06-06 Xerox Corp Developing systems
US3731146A (en) * 1970-12-23 1973-05-01 Ibm Toner distribution process
US3754963A (en) * 1970-12-23 1973-08-28 Ibm Surface for impression development in electrophotography
DE2214228C3 (de) * 1971-03-24 1979-02-01 K.K. Ricoh, Tokio Entwicklungsvorrichtung
BE792643A (fr) * 1971-12-17 1973-03-30 Ibm Dispositif de developpement electrophotographique
BE793638A (fr) * 1972-01-03 1973-07-03 Xerox Corp Applicateur d'encre pour appareil de reproduction d'images
ZA73911B (en) * 1972-03-15 1973-11-28 Minnesota Mining & Mfg Electrographic development process
US3909258A (en) * 1972-03-15 1975-09-30 Minnesota Mining & Mfg Electrographic development process
JPS4910259A ( ) * 1972-05-25 1974-01-29
US3942474A (en) * 1972-12-07 1976-03-09 Xerox Corporation Developing systems
US3914460A (en) * 1973-01-09 1975-10-21 Xerox Corp Development utilizing electric fields
US3890929A (en) * 1973-02-15 1975-06-24 Xerox Corp Xerographic developing apparatus
US4007682A (en) * 1974-04-24 1977-02-15 Xerox Corporation Reverse angle mounted ink-splitting doctor blade
DE2509837A1 (de) * 1974-04-24 1975-11-06 Xerox Corp Verfahren zum farbtraenken einer oberflaeche
US3997688A (en) * 1974-05-31 1976-12-14 Xerox Corporation Developing an electrical image
US4126100A (en) * 1974-08-01 1978-11-21 Mita Industrial Company Ltd. Apparatus for causing a developer powder to make an irregular motion in a developing zone
JPS5116926A (en) * 1974-08-01 1976-02-10 Mita Industrial Co Ltd Seidenkasenzono genzohoho
GB1484509A (en) * 1974-11-20 1977-09-01 Xerox Corp Doctoring device
US4067295A (en) * 1975-03-07 1978-01-10 Xerox Corporation Magnetic microfield donor system
US3945343A (en) * 1975-03-24 1976-03-23 General Electric Company Magnetic brush for use in magnetic printing
GB1501464A (en) * 1975-03-24 1978-02-15 Xerox Corp Liquid development of electrostatic charge patterns
GB1506199A (en) * 1975-04-23 1978-04-05 Xerox Corp Liquid applicator device
GB1506727A (en) * 1975-06-19 1978-04-12 Xerox Corp Liquid applicator device
US4011834A (en) * 1975-10-02 1977-03-15 Xerox Corporation Touchdown electrostatic development apparatus
JPS5545392Y2 ( ) * 1975-10-07 1980-10-24
JPS5267640A (en) * 1975-12-03 1977-06-04 Hitachi Ltd Method for developing charge latent image in electronic photography
JPS599056B2 (ja) * 1975-12-16 1984-02-29 株式会社リコー セイデンゾウゲンゾウホウ
US4014291A (en) * 1976-01-26 1977-03-29 Nashua Corporation Image developing system
US4100884A (en) 1976-02-25 1978-07-18 Ricoh Company, Ltd. Rubber developer roller using single component toner
JPS52102732A (en) * 1976-02-25 1977-08-29 Ricoh Co Ltd Electrostatic development
US4036175A (en) * 1976-03-30 1977-07-19 Sperry Rand Corporation High speed development technique
US4121931A (en) * 1976-06-30 1978-10-24 Minnesota Mining And Manufacturing Company Electrographic development process
DE2636932A1 (de) * 1976-08-16 1978-02-23 Eskofot Research As Bepulverungsvorrichtung fuer elektrostatische kopiergeraete
GB1549413A (en) * 1976-08-16 1979-08-08 Eskofot Res As Method and apparatus for triboelectrically charging toner particles in a xerographic system
JPS5945148B2 (ja) * 1976-10-06 1984-11-05 オリンパス光学工業株式会社 静電潜像現像方法
US4091765A (en) * 1977-02-17 1978-05-30 Vivian L. Lowthorp, Executrix of the Estate of Ernest C. Lowthorp, deceased Developing and fusing apparatus
JPS53111738A (en) * 1977-03-11 1978-09-29 Toshiba Corp Developing device of magnetic brush type
GB2006055B (en) * 1977-09-10 1982-07-07 Canon Kk Method and apparatus for image development

Also Published As

Publication number Publication date
FR2402896A1 (fr) 1979-04-06
DE2839178A1 (de) 1979-03-22
USRE34724E (en) 1994-09-13
HK35684A (en) 1984-05-04
US4387664A (en) 1983-06-14
US4421057A (en) 1983-12-20
US4386577A (en) 1983-06-07
DE2858717C2 ( ) 1992-09-17
GB2006054B (en) 1982-12-08
FR2402896B1 ( ) 1982-12-10
SG24283G (en) 1985-01-11
GB2081135A (en) 1982-02-17
GB2081135B (en) 1982-09-08
US4458627A (en) 1984-07-10
GB2006054A (en) 1979-05-02

Similar Documents

Publication Publication Date Title
DE2839178C2 ( )
DE3687461T2 (de) Entwicklungsgeraet.
DE69407214T2 (de) Bilderzeugungsverfahren
DE3319708C2 ( )
DE3206815C2 ( )
DE3329497C2 ( )
DE3686164T2 (de) Elektrographisches magnetbuerstenentwicklungsgeraet.
DE2729005A1 (de) Magnetbuerstenrolle
DE3305697C2 (de) Verfahren und Vorrichtung zum Ausbilden einer Schicht nichtmagnetischer Entwicklerteilchen
DE1497070B2 (de) Vorrichtung zum entwickeln elektrostatischer ladungsbilder
DE2407380A1 (de) Vorrichtung und verfahren zum entwickeln latenter elektrostatischer bilder
DE3431956C2 ( )
DE1913696A1 (de) Verfahren und Vorrichtung zur Entwicklung eines elektrostatischen latenten Bildes
DE3000195C2 ( )
DE2050300A1 (de) Vorrichtung zur Kaskadierungsent wicklung latenter elektrostatischer BiI
DE3210093A1 (de) Entwicklungseinrichtung
DE3117238C2 (de) Magnetbürstenanordnung in einer Entwicklungsvorrichtung zur Entwicklung von Ladungsbildern auf einem Ladungsbildträger
DE4112053C2 (de) Verfahren zum Einstellen eines Streichspaltes in der Entwicklungsvorrichtung eines elektrofotografischen Druckers
DE2113505A1 (de) Entwicklungsvorrichtung fuer latente elektrostatische Bilder
DE2900767A1 (de) Magnetbuerstenvorrichtung fuer ein elektrostatisches druck- oder kopiergeraet
DE2217860A1 (de) Verfahren und Vorrichtung zum Entwickeln latenter elektrostatischer Bilder mit mehreren Elektroden
DE1522693A1 (de) Verfahren und Vorrichtung zum Aufbringen elektroskopischer Partikel auf einen elektrisch isolierenden Traeger
EP1747501B1 (de) Verfahren und anordnung zum einfärben eines applikatorelements eines elektrofotografischen druckers oder kopierers
DE3005756A1 (de) Entwicklungseinrichtung
DE2052688A1 (de) Vorrichtung zur Entwicklung latenter elektrostatischer Bilder

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8172 Supplementary division/partition in:

Ref country code: DE

Ref document number: 2858717

Format of ref document f/p: P

Q171 Divided out to:

Ref country code: DE

Ref document number: 2858717

AH Division in

Ref country code: DE

Ref document number: 2858717

Format of ref document f/p: P

D2 Grant after examination
8364 No opposition during term of opposition
AH Division in

Ref country code: DE

Ref document number: 2858717

Format of ref document f/p: P