DE68908240T2 - Verfahren und Gerät zur Steuerung der elektrostatischen Betriebsbedingungen einer elektrofotografischen Vervielfältigungsvorrichtung. - Google Patents
Verfahren und Gerät zur Steuerung der elektrostatischen Betriebsbedingungen einer elektrofotografischen Vervielfältigungsvorrichtung.Info
- Publication number
- DE68908240T2 DE68908240T2 DE89480040T DE68908240T DE68908240T2 DE 68908240 T2 DE68908240 T2 DE 68908240T2 DE 89480040 T DE89480040 T DE 89480040T DE 68908240 T DE68908240 T DE 68908240T DE 68908240 T2 DE68908240 T2 DE 68908240T2
- Authority
- DE
- Germany
- Prior art keywords
- controlling
- operating conditions
- electrostatic operating
- electrophotographic duplicator
- duplicator
- 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 - Fee Related
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
- G03G15/50—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
- G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
- G03G15/0266—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
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
- G03G15/04036—Details of illuminating systems, e.g. lamps, reflectors
- G03G15/04045—Details of illuminating systems, e.g. lamps, reflectors for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material, e.g. digital copiers
- G03G15/04054—Details of illuminating systems, e.g. lamps, reflectors for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material, e.g. digital copiers by LED arrays
-
- 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
- G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
- G03G15/32—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the charge pattern is formed dotwise, e.g. by a thermal head
- G03G15/326—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the charge pattern is formed dotwise, e.g. by a thermal head by application of light, e.g. using a LED array
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/183,216 US4879577A (en) | 1988-04-19 | 1988-04-19 | Method and apparatus for controlling the electrostatic parameters of an electrophotographic reproduction device |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68908240D1 DE68908240D1 (de) | 1993-09-16 |
DE68908240T2 true DE68908240T2 (de) | 1994-03-17 |
Family
ID=22671943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE89480040T Expired - Fee Related DE68908240T2 (de) | 1988-04-19 | 1989-03-14 | Verfahren und Gerät zur Steuerung der elektrostatischen Betriebsbedingungen einer elektrofotografischen Vervielfältigungsvorrichtung. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4879577A (de) |
EP (1) | EP0338962B1 (de) |
JP (1) | JPH01307770A (de) |
CA (1) | CA1321231C (de) |
DE (1) | DE68908240T2 (de) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5223896A (en) * | 1989-06-23 | 1993-06-29 | Minolta Camera Kabushiki Kaisha | Image forming apparatus having self-diagnostic function relating to the potential of the photoreceptor |
US5124750A (en) * | 1989-09-05 | 1992-06-23 | Minolta Camera Kabushiki Kaisha | Toner density detecting method, and image forming method and apparatus employing the toner density detecting method |
US5719613A (en) * | 1990-03-20 | 1998-02-17 | Minolta Co., Ltd. | Apparatus for forming an image with use of electrophotographic process |
US5959650A (en) * | 1990-03-20 | 1999-09-28 | Minolta Co., Ltd. | Apparatus for forming an image with use of electrophotographic process |
JP3009179B2 (ja) * | 1990-04-16 | 2000-02-14 | 株式会社日立製作所 | 静電記録装置及び静電潜像測定装置 |
EP0464349B1 (de) * | 1990-05-21 | 1995-02-22 | Konica Corporation | Bilderzeugungsgerät und -verfahren |
JPH04126454A (ja) * | 1990-09-18 | 1992-04-27 | Toshiba Corp | 電子写真記録装置 |
JP2534392B2 (ja) * | 1990-09-21 | 1996-09-11 | 三田工業株式会社 | 画像形成装置のための自己診断および自己修復システム |
JP2534387B2 (ja) * | 1990-09-21 | 1996-09-11 | 三田工業株式会社 | 画像形成装置のための自己診断システム |
JP2985290B2 (ja) * | 1990-11-30 | 1999-11-29 | ミノルタ株式会社 | デジタル画像形成装置 |
US5453773A (en) * | 1990-11-30 | 1995-09-26 | Minolta Camera Kabushiki Kaisha | Electrophotographic image forming apparatus comprising means for automatically adjusting image reproduction density |
JPH04264566A (ja) * | 1991-02-20 | 1992-09-21 | Mita Ind Co Ltd | 画像形成装置のための自己診断システム |
US5414531A (en) * | 1991-02-22 | 1995-05-09 | Canon Kabushiki Kaisha | Image forming control based on a stored operation condition |
JP2744708B2 (ja) * | 1991-03-11 | 1998-04-28 | シャープ株式会社 | 画像形成装置 |
US5150155A (en) * | 1991-04-01 | 1992-09-22 | Eastman Kodak Company | Normalizing aim values and density patch readings for automatic set-up in electrostatographic machines |
US5777576A (en) * | 1991-05-08 | 1998-07-07 | Imagine Ltd. | Apparatus and methods for non impact imaging and digital printing |
US5157423A (en) * | 1991-05-08 | 1992-10-20 | Cubital Ltd. | Apparatus for pattern generation on a dielectric substrate |
US5223897A (en) * | 1991-09-05 | 1993-06-29 | Xerox Corporation | Tri-level imaging apparatus using different electrostatic targets for cycle up and runtime |
US5138378A (en) * | 1991-09-05 | 1992-08-11 | Xerox Corporation | Electrostatic target recalculation in a xerographic imaging apparatus |
CA2076791C (en) * | 1991-09-05 | 1999-02-23 | Mark A. Scheuer | Charged area (cad) image loss control in a tri-level imaging apparatus |
US5132730A (en) * | 1991-09-05 | 1992-07-21 | Xerox Corporation | Monitoring of color developer housing in a tri-level highlight color imaging apparatus |
JP3154261B2 (ja) * | 1991-09-18 | 2001-04-09 | キヤノン株式会社 | 画像形成装置 |
JPH05204219A (ja) * | 1991-10-21 | 1993-08-13 | Toshiba Corp | 画像形成装置 |
JP2677729B2 (ja) * | 1991-12-03 | 1997-11-17 | シャープ株式会社 | 画像形成方法 |
US5262825A (en) * | 1991-12-13 | 1993-11-16 | Minnesota Mining And Manufacturing Company | Density process control for an electrophotographic proofing system |
US5258810A (en) * | 1991-12-13 | 1993-11-02 | Minnesota Mining And Manufacturing Company | Method for calibrating an electrophotographic proofing system |
EP0565761B1 (de) * | 1992-04-15 | 1997-07-09 | Mita Industrial Co. Ltd. | Bilderzeugungsgerät mit Selbstdiagnosesystem |
CA2107190C (en) * | 1992-12-07 | 1996-10-01 | Mark A. Scheuer | Maintaining precise electrostatic control using two esvs |
US5402214A (en) * | 1994-02-23 | 1995-03-28 | Xerox Corporation | Toner concentration sensing system for an electrophotographic printer |
KR960015100A (ko) * | 1994-10-31 | 1996-05-22 | 미타 요시히로 | 감광체를 사용하는 전자사진법 |
US5600409A (en) * | 1996-02-20 | 1997-02-04 | Xerox Corporation | Optimal toner concentration sensing system for an electrophotographic printer |
JPH11160926A (ja) * | 1997-12-01 | 1999-06-18 | Matsushita Electric Ind Co Ltd | 画像形成装置 |
JP3854774B2 (ja) | 2000-03-16 | 2006-12-06 | キヤノン株式会社 | 画像形成装置 |
US6768878B2 (en) * | 2001-10-30 | 2004-07-27 | Konica Corporation | Image forming method and image forming apparatus utilizing a control patch |
US7062202B2 (en) * | 2002-09-25 | 2006-06-13 | Seiko Epson Corporation | Image forming apparatus and method using liquid development under an image forming condition in which an adhesion amount of toner is substantially saturated |
US7890005B2 (en) * | 2009-01-07 | 2011-02-15 | Infoprint Solutions Company, Llc | Adjusting electrostatic charges used in a laser printer |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3788739A (en) * | 1972-06-21 | 1974-01-29 | Xerox Corp | Image compensation method and apparatus for electrophotographic devices |
US3835380A (en) * | 1973-08-14 | 1974-09-10 | Xerox Corp | Electrometer system |
US4326795A (en) * | 1978-10-14 | 1982-04-27 | Canon Kabushiki Kaisha | Image forming process and apparatus therefor |
US4468112A (en) * | 1981-02-18 | 1984-08-28 | Canon Kabushiki Kaisha | Developer concentration controlling device |
JPS57154973A (en) * | 1981-03-19 | 1982-09-24 | Minolta Camera Co Ltd | Controller of electrostatic recorder |
JPS57165861A (en) * | 1981-04-06 | 1982-10-13 | Ricoh Co Ltd | Electrically charging method for photoreceptor in recorder |
US4508446A (en) * | 1982-02-09 | 1985-04-02 | Ricoh Company, Ltd. | Reproduction process control method |
US4466731A (en) * | 1982-06-16 | 1984-08-21 | International Business Machines Corporation | Electrophotographic machine with high density toner concentration control |
JPS59164582A (ja) * | 1983-03-08 | 1984-09-17 | Sharp Corp | 感光体の感度補償方法 |
US4625176A (en) * | 1983-09-13 | 1986-11-25 | International Business Machines Corporation | Electrostatic probe |
US4582839A (en) * | 1984-03-21 | 1986-04-15 | Takeda Chemical Industries, Ltd. | 2,4-thiazolidinediones |
JPS63296062A (ja) * | 1987-05-28 | 1988-12-02 | Canon Inc | 画像形成装置 |
-
1988
- 1988-04-19 US US07/183,216 patent/US4879577A/en not_active Expired - Lifetime
-
1989
- 1989-01-25 CA CA000589122A patent/CA1321231C/en not_active Expired - Fee Related
- 1989-03-14 DE DE89480040T patent/DE68908240T2/de not_active Expired - Fee Related
- 1989-03-14 EP EP89480040A patent/EP0338962B1/de not_active Expired - Lifetime
- 1989-04-14 JP JP1093261A patent/JPH01307770A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0338962A3 (en) | 1990-09-05 |
EP0338962B1 (de) | 1993-08-11 |
EP0338962A2 (de) | 1989-10-25 |
CA1321231C (en) | 1993-08-10 |
JPH01307770A (ja) | 1989-12-12 |
DE68908240D1 (de) | 1993-09-16 |
US4879577A (en) | 1989-11-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |