DE69425420D1 - Entwicklungsgerät mit schleierfreier Impulspolarisation - Google Patents

Entwicklungsgerät mit schleierfreier Impulspolarisation

Info

Publication number
DE69425420D1
DE69425420D1 DE69425420T DE69425420T DE69425420D1 DE 69425420 D1 DE69425420 D1 DE 69425420D1 DE 69425420 T DE69425420 T DE 69425420T DE 69425420 T DE69425420 T DE 69425420T DE 69425420 D1 DE69425420 D1 DE 69425420D1
Authority
DE
Germany
Prior art keywords
fog
development device
pulse polarization
free pulse
free
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
DE69425420T
Other languages
English (en)
Other versions
DE69425420T2 (de
Inventor
Yuji Sakemi
Koji Anemiya
Takeshi Menjo
Masahiro Inoue
Masami Izumizaki
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
Application filed by Canon Inc filed Critical Canon Inc
Publication of DE69425420D1 publication Critical patent/DE69425420D1/de
Application granted granted Critical
Publication of DE69425420T2 publication Critical patent/DE69425420T2/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
    • G03G15/06—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
    • G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
    • G03G15/0907—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush with bias voltage
DE69425420T 1993-12-29 1994-12-28 Entwicklungsgerät mit schleierfreier Impulspolarisation Expired - Lifetime DE69425420T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP35216893 1993-12-29
JP5572794 1994-03-25

Publications (2)

Publication Number Publication Date
DE69425420D1 true DE69425420D1 (de) 2000-09-07
DE69425420T2 DE69425420T2 (de) 2001-02-15

Family

ID=26396628

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69425420T Expired - Lifetime DE69425420T2 (de) 1993-12-29 1994-12-28 Entwicklungsgerät mit schleierfreier Impulspolarisation

Country Status (3)

Country Link
US (1) US5669050A (de)
EP (1) EP0661607B1 (de)
DE (1) DE69425420T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6316156B1 (en) * 1994-06-22 2001-11-13 Canon Kabushiki Kaisha Carrier for electrophotography, two component type developer, and image forming method
DE19546248A1 (de) * 1995-12-12 1997-06-19 Heidelberger Druckmasch Ag Verfahren und Vorrichtung zum Entwickeln eines elektrostatischen latenten Bildes
JPH10142908A (ja) * 1996-11-08 1998-05-29 Fuji Xerox Co Ltd 現像装置
JPH10186841A (ja) * 1996-12-24 1998-07-14 Canon Inc 画像形成装置
US5884131A (en) * 1997-02-20 1999-03-16 Minolta Co., Ltd. Developing device which accomplishes development using the action of an alternating current field between a developer-carrying member and an image-carrying member
US6459862B1 (en) 1999-10-18 2002-10-01 Canon Kabushiki Kaisha Developing apparatus
JP2003122118A (ja) * 2001-10-09 2003-04-25 Canon Inc 画像形成装置
JP2004226657A (ja) * 2003-01-22 2004-08-12 Canon Inc 現像装置及び画像形成装置
JP5317467B2 (ja) * 2007-02-23 2013-10-16 キヤノン株式会社 画像形成装置
JP2010020281A (ja) * 2008-06-10 2010-01-28 Sharp Corp 画像形成装置
JP2010002785A (ja) * 2008-06-20 2010-01-07 Sharp Corp 画像形成装置
JP5590943B2 (ja) * 2010-03-31 2014-09-17 キヤノン株式会社 画像形成装置

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4473627A (en) * 1978-07-28 1984-09-25 Canon Kabushiki Kaisha Developing method for developer transfer under electrical bias and apparatus therefor
JPS5532060A (en) * 1978-08-29 1980-03-06 Canon Inc Method and apparatus for electrophotographic developing
JPS5614268A (en) * 1979-07-16 1981-02-12 Canon Inc Developing method
JPS56144452A (en) * 1980-04-14 1981-11-10 Hitachi Ltd Electrophotographic recorder
JPS5868051A (ja) * 1981-10-19 1983-04-22 Canon Inc 現像方法
US4496644A (en) * 1983-02-28 1985-01-29 Eastman Kodak Company Electric field adjustment for magnetic brushes
JPH06100848B2 (ja) * 1983-03-31 1994-12-12 コニカ株式会社 現像方法
US4610531A (en) * 1983-09-05 1986-09-09 Canon Kabushiki Kaisha Developing method and apparatus
JPS60176069A (ja) * 1984-02-23 1985-09-10 Konishiroku Photo Ind Co Ltd 現像装置
US4557992A (en) * 1984-03-26 1985-12-10 Konishiroku Photo Industry Co., Ltd. Developing method
US4777107A (en) * 1985-12-27 1988-10-11 Canon Kabushiki Kaisha Method and apparatus for image development using a two component developer with contact and non-contact development steps alternated by vibration of magnetic particles subject to electric and magnetic fields
US4844008A (en) * 1986-07-03 1989-07-04 Canon Kabushiki Kaisha Non-contact developing apparatus utilizing a tangential magnetic field
US4883019A (en) * 1987-01-19 1989-11-28 Canon Kabushiki Kaisha Image forming apparatus having developer content detector
US5239343A (en) * 1987-08-31 1993-08-24 Canon Kabushiki Kaisha Developing apparatus with regulating member having magnetic and non-magnetic members
US5294967A (en) * 1989-02-28 1994-03-15 Canon Kabushiki Kaisha Image forming apparatus with a plurity of adjustable developing units
EP0390472A3 (de) * 1989-03-31 1991-11-06 Canon Kabushiki Kaisha Entwicklungsgerät
JP2892456B2 (ja) * 1989-08-04 1999-05-17 キヤノン株式会社 現像装置
JP2899079B2 (ja) * 1990-07-10 1999-06-02 キヤノン株式会社 現像装置
US5187523A (en) * 1990-09-12 1993-02-16 Canon Kabushiki Kaisha Developing apparatus for developing electrostatic latent image using two component developer
JP3423348B2 (ja) * 1993-03-19 2003-07-07 キヤノン株式会社 画像形成装置

Also Published As

Publication number Publication date
EP0661607B1 (de) 2000-08-02
US5669050A (en) 1997-09-16
EP0661607A1 (de) 1995-07-05
DE69425420T2 (de) 2001-02-15

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Legal Events

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8364 No opposition during term of opposition