DE68921596T2 - Bilderzeugungsgerät. - Google Patents

Bilderzeugungsgerät.

Info

Publication number: DE68921596T2
Authority: DE; Germany
Prior art keywords: imaging device; imaging
Prior art date: 1988-12-28
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 - Fee Related

Application number

DE68921596T

Other languages

English (en)

Other versions

DE68921596D1 (de

Inventor

Kenichi Matsumoto

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.)

1988-12-28

Filing date

1989-12-28

Publication date

1995-07-27

1989-12-28 Application filed by Canon Inc filed Critical Canon Inc

1995-04-13 Application granted granted Critical

1995-04-13 Publication of DE68921596D1 publication Critical patent/DE68921596D1/de

1995-07-27 Publication of DE68921596T2 publication Critical patent/DE68921596T2/de

2009-12-29 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000003384 imaging method Methods 0.000 title 1

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
- G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
- G03G15/5033—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control by measuring the photoconductor characteristics, e.g. temperature, or the characteristics of an image on the photoconductor
- G03G15/5037—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control by measuring the photoconductor characteristics, e.g. temperature, or the characteristics of an image on the photoconductor the characteristics being an electrical parameter, e.g. voltage
- 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
- G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
- G03G15/0105—Details of unit
- G03G15/0131—Details of unit for transferring a pattern to a second base
- 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
- G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
- G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
- G03G15/163—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer using the force produced by an electrostatic transfer field formed between the second base and the electrographic recording member, e.g. transfer through an air gap
- G03G15/1635—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer using the force produced by an electrostatic transfer field formed between the second base and the electrographic recording member, e.g. transfer through an air gap the field being produced by laying down an electrostatic charge behind the base or the recording member, e.g. by a corona device
- G03G15/1645—Arrangements for controlling the amount of charge
- 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
- G03G2215/01—Apparatus for electrophotographic processes for producing multicoloured copies
- G03G2215/0167—Apparatus for electrophotographic processes for producing multicoloured copies single electrographic recording member
- G03G2215/0174—Apparatus for electrophotographic processes for producing multicoloured copies single electrographic recording member plural rotations of recording member to produce multicoloured copy
- G03G2215/0177—Rotating set of developing units

DE68921596T 1988-12-28 1989-12-28 Bilderzeugungsgerät. Expired - Fee Related DE68921596T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP63334254A JPH02178685A (ja)	1988-12-28	1988-12-28	画像形成装置

Publications (2)

Publication Number	Publication Date
DE68921596D1 DE68921596D1 (de)	1995-04-13
DE68921596T2 true DE68921596T2 (de)	1995-07-27

Family

ID=18275278

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE68921596T Expired - Fee Related DE68921596T2 (de)	1988-12-28	1989-12-28	Bilderzeugungsgerät.

Country Status (4)

Country	Link
US (1)	US5041877A (de)
EP (1)	EP0376732B1 (de)
JP (1)	JPH02178685A (de)
DE (1)	DE68921596T2 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5119139A (en) *	1989-01-06	1992-06-02	Tokyo Electric Co., Ltd.	Electrophotographic image forming apparatus having multiple printing stations
JP3073030B2 (ja) *	1990-06-29	2000-08-07	株式会社リコー	転写装置
US5182598A (en) *	1990-09-20	1993-01-26	Minolta Camera Kabushiki Kaisha	Control means for a transfer charger in an image forming apparatus
JP2952088B2 (ja) *	1990-10-11	1999-09-20	キヤノン株式会社	画像形成装置
US5187536A (en) *	1990-11-30	1993-02-16	Canon Kabushiki Kaisha	Image forming apparatus
US5351115A (en) *	1991-05-23	1994-09-27	Matsushita Electric Industrial Co., Ltd.	Color electrophotographic method and apparatus employed therefor
US6505010B1 (en) *	1991-08-26	2003-01-07	Canon Kabushiki Kaisha	Image forming apparatus
US5285246A (en) *	1991-08-30	1994-02-08	Canon Kabushiki Kaisha	Image forming method and apparatus that maintains uniform image glossiness
EP0552410B1 (de) *	1992-01-20	1996-03-20	Matsushita Electric Industrial Co., Ltd.	Elektrophotographisches Farbgerät
EP0572278B1 (de) *	1992-05-29	1999-03-24	Canon Kabushiki Kaisha	Bilderzeugungsgerät
JP3227205B2 (ja) *	1992-06-24	2001-11-12	キヤノン株式会社	カラー画像形成装置
US5315355A (en) *	1992-10-05	1994-05-24	Eastman Kodak Company	Transfer drum with shim member to reduce system velocity fluctuations
JP3257891B2 (ja) *	1993-12-29	2002-02-18	キヤノン株式会社	カラー画像形成装置およびカラー画像形成装置の制御方法
JP3368095B2 (ja) *	1995-04-28	2003-01-20	キヤノン株式会社	画像形成装置および画像形成装置の転写ずれ補正方法
JPH09169448A (ja) *	1995-12-22	1997-06-30	Fujitsu Ltd	画像形成装置
JP2901560B2 (ja) *	1996-12-24	1999-06-07	新潟日本電気株式会社	カラー画像形成装置
JPH10198248A (ja) *	1997-01-08	1998-07-31	Fujitsu Ltd	画像形成装置
JPH1124368A (ja) *	1997-07-07	1999-01-29	Toshiba Corp	画像形成装置
JPH11161035A (ja) *	1997-11-27	1999-06-18	Fujitsu Ltd	像形成装置
JP3772505B2 (ja) *	1998-01-19	2006-05-10	コニカミノルタビジネステクノロジーズ株式会社	画像形成装置
JP4898478B2 (ja) *	2007-02-06	2012-03-14	キヤノン株式会社	画像形成装置
US8045875B2 (en) *	2007-11-14	2011-10-25	Ricoh Company, Limited	Image forming apparatus and image forming method capable of generating stable transfer electric field

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3729311A (en) *	1971-07-15	1973-04-24	Xerox Corp	Electrostatic transfer method
DE3128801A1 (de) *	1980-07-22	1982-04-15	Canon K.K., Tokyo	"bilderzeugungsgeraet"
JPS5799675A (en) *	1980-12-12	1982-06-21	Canon Inc	Controller for amount of transfer charging of transfer copying machine
JPS59123857A (ja) *	1982-12-29	1984-07-17	Canon Inc	画像再生制御装置
DE3406568A1 (de) *	1983-02-25	1984-08-30	Canon K.K., Tokio/Tokyo	Bilderzeugungsgeraet
JPS6057364A (ja) *	1983-09-09	1985-04-03	Ricoh Co Ltd	絶縁性フイルム・ベルト転写方式
JPS6114670A (ja) *	1984-06-30	1986-01-22	Ricoh Co Ltd	電子写真装置
JPS6155675A (ja) *	1984-08-27	1986-03-20	Fujitsu Ltd	転写形印刷装置
JPS61267074A (ja) *	1985-05-21	1986-11-26	Fuji Electric Co Ltd	転写装置
JPS6385772A (ja) *	1986-09-30	1988-04-16	Toshiba Corp	湿度安定化転写装置
JP2507359B2 (ja) *	1986-10-28	1996-06-12	株式会社東芝	画像形成装置
US4870460A (en) *	1986-12-05	1989-09-26	Ricoh Company, Ltd.	Method of controlling surface potential of photoconductive element
JPS63228179A (ja) *	1987-03-17	1988-09-22	Canon Inc	画像形成装置

1988
- 1988-12-28 JP JP63334254A patent/JPH02178685A/ja active Pending
1989
- 1989-12-28 DE DE68921596T patent/DE68921596T2/de not_active Expired - Fee Related
- 1989-12-28 EP EP89313660A patent/EP0376732B1/de not_active Expired - Lifetime
- 1989-12-28 US US07/458,368 patent/US5041877A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0376732B1 (de)	1995-03-08
EP0376732A2 (de)	1990-07-04
JPH02178685A (ja)	1990-07-11
EP0376732A3 (de)	1991-09-11
DE68921596D1 (de)	1995-04-13
US5041877A (en)	1991-08-20

Legal Events

Date	Code	Title	Description
1996-04-04	8364	No opposition during term of opposition
2008-10-16	8339	Ceased/non-payment of the annual fee

Publication	Publication Date	Title
DE68921038D1 (de)	1995-03-23	Bilderzeugungsgerät.
DE68921531T2 (de)	1995-07-27	Bilderzeugungsgerät.
DE68907960T2 (de)	1993-11-11	Bilderzeugungsgerät.
DE68911731D1 (de)	1994-02-10	Bilderzeugungsgerät.
DE68911420D1 (de)	1994-01-27	Festkörper-Bildaufnahmevorrichtung.
DE68916745D1 (de)	1994-08-18	Bilderzeugungsvorrichtung.
DE68912908T2 (de)	1994-08-25	Bildererzeugungsgerät.
DE68921596D1 (de)	1995-04-13	Bilderzeugungsgerät.
DE68913454D1 (de)	1994-04-07	Bilderzeugungsgerät.
DE68917224D1 (de)	1994-09-08	Bilderzeugungsgerät.
DE68921659T2 (de)	1995-08-17	Bilderzeugungsgerät.
DE68920093D1 (de)	1995-02-02	Bilderzeugungsgerät.
DE68908006T2 (de)	1993-12-09	Bilderzeugungsgerät.
DE68913432T2 (de)	1994-08-11	Bilderzeugungsgerät.
DE68915828D1 (de)	1994-07-14	Bilderzeugungsgerät.
DE68915825T2 (de)	1994-10-20	Bilderzeugungsgerät.
DE68923069D1 (de)	1995-07-20	Abbildungsvorrichtung.
DE68913355T2 (de)	1994-06-23	Bilderzeugungsgerät.
DE68923149T2 (de)	1995-11-09	Bilderzeugungsgerät.
DE68915880T2 (de)	1994-09-15	Abbildungsvorrichtung.
DE68908213T2 (de)	1993-12-23	Bilderzeugungsgerät.
DE68909443T2 (de)	1994-02-03	Bilderzeugungsgerät.
DE68923978T2 (de)	1996-02-08	Bildaufnahmevorrichtung.
DE68916755T2 (de)	1994-11-10	Bilderzeugungsgerät.
DE68919865D1 (de)	1995-01-26	Bilderzeugungsgerät.