CA1280152C - Charge and bias control system for electrophotographiccopier - Google Patents
Charge and bias control system for electrophotographiccopierInfo
- Publication number
- CA1280152C CA1280152C CA000522101A CA522101A CA1280152C CA 1280152 C CA1280152 C CA 1280152C CA 000522101 A CA000522101 A CA 000522101A CA 522101 A CA522101 A CA 522101A CA 1280152 C CA1280152 C CA 1280152C
- Authority
- CA
- Canada
- Prior art keywords
- photoconductor
- developing
- electrode
- sensing
- path
- 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
Links
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 238000006073 displacement reaction Methods 0.000 claims abstract description 3
- 230000003287 optical effect Effects 0.000 claims description 24
- 238000007600 charging Methods 0.000 claims description 20
- 238000011161 development Methods 0.000 claims description 19
- 239000004020 conductor Substances 0.000 claims description 7
- 230000002401 inhibitory effect Effects 0.000 claims 4
- 238000005070 sampling Methods 0.000 claims 4
- 230000003334 potential effect Effects 0.000 claims 2
- 238000004140 cleaning Methods 0.000 abstract description 17
- 238000011144 upstream manufacturing Methods 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000018109 developmental process Effects 0.000 description 17
- 239000002245 particle Substances 0.000 description 12
- 238000005513 bias potential Methods 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 4
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 3
- 229910052711 selenium Inorganic materials 0.000 description 3
- 239000011669 selenium Substances 0.000 description 3
- 241000370685 Arge Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000010186 staining Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 101100256149 Salmonella typhimurium (strain 14028s / SGSC 2262) sarA gene Proteins 0.000 description 1
- 241001080024 Telles Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 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
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/065—Arrangements for controlling the potential of the developing electrode
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Control Or Security For Electrophotography (AREA)
- Developing For Electrophotography (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
- Wet Developing In Electrophotography (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/794,765 US4678317A (en) | 1985-11-04 | 1985-11-04 | Charge and bias control system for electrophotographic copier |
| US794,765 | 1985-11-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1280152C true CA1280152C (en) | 1991-02-12 |
Family
ID=25163608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000522101A Expired - Lifetime CA1280152C (en) | 1985-11-04 | 1986-11-04 | Charge and bias control system for electrophotographiccopier |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4678317A (en, 2012) |
| JP (1) | JPS62109071A (en, 2012) |
| CA (1) | CA1280152C (en, 2012) |
| CH (1) | CH674422A5 (en, 2012) |
| DE (1) | DE3637101A1 (en, 2012) |
| FR (1) | FR2589594B1 (en, 2012) |
| GB (1) | GB2182285B (en, 2012) |
| HK (1) | HK128695A (en, 2012) |
| IT (1) | IT1235467B (en, 2012) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0722675Y2 (ja) * | 1986-07-17 | 1995-05-24 | 三洋電機株式会社 | 電子写真装置 |
| JPH01198770A (ja) * | 1987-10-16 | 1989-08-10 | Ricoh Co Ltd | 複写機の制御装置 |
| US5270776A (en) * | 1988-06-06 | 1993-12-14 | Spectrum Sciences B.V. | Method for fusing developed image |
| US4966824A (en) * | 1988-06-06 | 1990-10-30 | Spectrum Sciences | Liquid toner composition containing two different charge directors |
| JP2811680B2 (ja) * | 1988-08-26 | 1998-10-15 | 日立工機株式会社 | 電子写真式印刷装置の運転方法 |
| US5157238A (en) * | 1988-09-08 | 1992-10-20 | Spectrum Sciences, B.V. | Fusing apparatus and method |
| US4987453A (en) * | 1990-02-01 | 1991-01-22 | Eastman Kodak Company | Development rate controller |
| US5179411A (en) * | 1990-09-11 | 1993-01-12 | Mita Industrial Co., Ltd. | Inversion development controller |
| US6623902B1 (en) * | 1991-03-28 | 2003-09-23 | Hewlett-Packard Indigo B.V. | Liquid toner and method of printing using same |
| JPH04320285A (ja) * | 1991-04-19 | 1992-11-11 | Ricoh Co Ltd | 電子写真プロセス制御装置 |
| JPH0820798B2 (ja) * | 1991-06-18 | 1996-03-04 | 村田機械株式会社 | 画像形成装置 |
| USRE37859E1 (en) | 1991-07-09 | 2002-09-24 | Indigo N.V. | Development control system |
| IL107217A (en) * | 1993-10-08 | 2004-05-12 | Hewlett Packard Indigo Bv | Development control system |
| JP3221045B2 (ja) * | 1992-04-03 | 2001-10-22 | キヤノン株式会社 | 画像形成装置 |
| US5369473A (en) * | 1992-05-27 | 1994-11-29 | Mita Industrial Co., Ltd. | Image forming apparatus |
| DE19511286A1 (de) * | 1995-03-28 | 1996-10-02 | Philips Patentverwaltung | Röntgenaufnahmegerät mit einem Photoleiter und einer Aufladeeinrichtung |
| WO2001088619A1 (en) | 2000-05-17 | 2001-11-22 | Indigo N.V. | Fluorescent liquid toner and method of printing using same |
| US7977023B2 (en) | 2007-07-26 | 2011-07-12 | Hewlett-Packard Development Company, L.P. | Ink formulations and methods of making ink formulations |
| DE102009060334B4 (de) * | 2009-12-23 | 2012-02-16 | OCé PRINTING SYSTEMS GMBH | Vorrichtung zum Entwickeln von auf einem Ladungsbildträger erzeugten Ladungsbildern bei einem elektrophoretischen Druckgerät |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US30535A (en) * | 1860-10-30 | Eugene mack | ||
| DE2410741A1 (de) * | 1973-05-14 | 1974-12-12 | Xerox Corp | Regler fuer reproduktionsgeraete |
| US3898001A (en) * | 1973-08-14 | 1975-08-05 | Xerox Corp | Electrometer system for non-contact detection of electrostatic charge on a moving electrostatographic imaging surface |
| US3887845A (en) * | 1973-09-26 | 1975-06-03 | Xerox Corp | Copier photoreceptor charge control |
| US4050806A (en) * | 1974-05-10 | 1977-09-27 | Ricoh Co., Ltd. | Method and apparatus for electrically biasing developing electrode of electrophotographic device |
| JPS588507B2 (ja) * | 1974-06-10 | 1983-02-16 | 株式会社リコー | 湿式現像装置 |
| US3892481A (en) * | 1974-06-17 | 1975-07-01 | Savin Business Machines Corp | Automatic development electrode bias control system |
| JPS5441502B2 (en, 2012) * | 1974-10-21 | 1979-12-08 | ||
| US4248524A (en) * | 1977-07-11 | 1981-02-03 | Canon Kabushiki Kaisha | Method of and apparatus for stabilizing electrophotographic images |
| GB2039101B (en) * | 1978-08-24 | 1983-05-25 | Canon Kk | Control of electrostatic recording apparatus |
| JPS5529862A (en) * | 1978-08-24 | 1980-03-03 | Canon Inc | Electrocopying apparatus |
| JPS55157756A (en) * | 1979-05-29 | 1980-12-08 | Canon Inc | Surface potential control unit |
| US4326796A (en) * | 1979-12-13 | 1982-04-27 | International Business Machines Corporation | Apparatus and method for measuring and maintaining copy quality in an electrophotographic copier |
| JPS5695249A (en) * | 1979-12-28 | 1981-08-01 | Canon Inc | Image forming device |
| US4341461A (en) * | 1980-04-07 | 1982-07-27 | Xerox Corporation | Development control of a reproduction machine |
| US4348099A (en) * | 1980-04-07 | 1982-09-07 | Xerox Corporation | Closed loop control of reproduction machine |
| JPS5727265A (en) * | 1980-07-25 | 1982-02-13 | Canon Inc | Copying apparatus |
| JPS5754786A (en) * | 1980-09-17 | 1982-04-01 | Matsushita Electric Ind Co Ltd | Proportional control valve |
| US4432634A (en) * | 1980-10-20 | 1984-02-21 | Minolta Camera Kabushiki Kaisha | Electrophotographic copying apparatus |
| JPS57204061A (en) * | 1981-06-11 | 1982-12-14 | Canon Inc | Picture recording controller |
| JPS5815789A (ja) * | 1981-07-20 | 1983-01-29 | Sanyo Electric Co Ltd | 送風機 |
| JPS5833551A (ja) * | 1981-08-20 | 1983-02-26 | Koichi Totsugi | 自動車ワイパ−の駆動装置 |
| JPS58195855A (ja) * | 1982-05-12 | 1983-11-15 | Ricoh Co Ltd | 静電複写装置 |
-
1985
- 1985-11-04 US US06/794,765 patent/US4678317A/en not_active Expired - Lifetime
-
1986
- 1986-10-06 GB GB8623965A patent/GB2182285B/en not_active Expired - Lifetime
- 1986-10-29 IT IT8622175A patent/IT1235467B/it active
- 1986-10-31 DE DE19863637101 patent/DE3637101A1/de not_active Withdrawn
- 1986-11-04 CH CH4403/86A patent/CH674422A5/de not_active IP Right Cessation
- 1986-11-04 JP JP61260835A patent/JPS62109071A/ja active Pending
- 1986-11-04 CA CA000522101A patent/CA1280152C/en not_active Expired - Lifetime
- 1986-11-04 FR FR868615360A patent/FR2589594B1/fr not_active Expired - Lifetime
-
1995
- 1995-08-17 HK HK128695A patent/HK128695A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CH674422A5 (en, 2012) | 1990-05-31 |
| GB8623965D0 (en) | 1986-11-12 |
| JPS62109071A (ja) | 1987-05-20 |
| FR2589594A1 (fr) | 1987-05-07 |
| US4678317A (en) | 1987-07-07 |
| IT8622175A0 (it) | 1986-10-29 |
| IT1235467B (it) | 1992-08-19 |
| DE3637101A1 (de) | 1987-05-07 |
| GB2182285B (en) | 1990-08-01 |
| HK128695A (en) | 1995-08-24 |
| GB2182285A (en) | 1987-05-13 |
| FR2589594B1 (fr) | 1990-10-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |