DE69317071T2 - Lader - Google Patents
LaderInfo
- Publication number
- DE69317071T2 DE69317071T2 DE69317071T DE69317071T DE69317071T2 DE 69317071 T2 DE69317071 T2 DE 69317071T2 DE 69317071 T DE69317071 T DE 69317071T DE 69317071 T DE69317071 T DE 69317071T DE 69317071 T2 DE69317071 T2 DE 69317071T2
- Authority
- DE
- Germany
- Prior art keywords
- electrode
- charger
- photosensitive drum
- grid
- sawtooth
- 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
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010292 electrical insulation Methods 0.000 claims 1
- 238000012546 transfer Methods 0.000 description 17
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 16
- 238000000034 method Methods 0.000 description 13
- 239000000463 material Substances 0.000 description 12
- 230000008859 change Effects 0.000 description 11
- 230000003287 optical effect Effects 0.000 description 10
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 8
- 230000007613 environmental effect Effects 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 229910052814 silicon oxide Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000001454 recorded image Methods 0.000 description 2
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical class [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 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
- G03G15/02—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
- G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
- G03G15/0291—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices corona discharge devices, e.g. wires, pointed electrodes, means for cleaning the corona discharge device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T19/00—Devices providing for corona discharge
- H01T19/04—Devices providing for corona discharge having pointed electrodes
-
- 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
- G03G2215/02—Arrangements for laying down a uniform charge
- G03G2215/026—Arrangements for laying down a uniform charge by coronas
- G03G2215/028—Arrangements for laying down a uniform charge by coronas using pointed electrodes
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Physics & Mathematics (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17027592A JP2769069B2 (ja) | 1992-06-04 | 1992-06-04 | 帯電器 |
| JP4169133A JP2899172B2 (ja) | 1992-06-26 | 1992-06-26 | 帯電装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69317071D1 DE69317071D1 (de) | 1998-04-02 |
| DE69317071T2 true DE69317071T2 (de) | 1998-08-20 |
Family
ID=26492577
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69701060T Expired - Lifetime DE69701060T2 (de) | 1992-06-04 | 1993-04-16 | Ladegerät |
| DE69317071T Expired - Lifetime DE69317071T2 (de) | 1992-06-04 | 1993-04-16 | Lader |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69701060T Expired - Lifetime DE69701060T2 (de) | 1992-06-04 | 1993-04-16 | Ladegerät |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US5367366A (enExample) |
| EP (2) | EP0810487B1 (enExample) |
| DE (2) | DE69701060T2 (enExample) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5666605A (en) * | 1994-10-11 | 1997-09-09 | Konica Corporation | Charging unit |
| US5519217A (en) * | 1995-05-08 | 1996-05-21 | Thomson Consumer Electronics, Inc. | Apparatus for charging an organic photoconductive layer for a CRT |
| JP3253829B2 (ja) * | 1995-08-08 | 2002-02-04 | シャープ株式会社 | 帯電装置及びその設計方法 |
| US5742871A (en) * | 1996-08-30 | 1998-04-21 | Eastman Kodak Company | High duty cycle sawtooth AC charger |
| JP3944889B2 (ja) * | 1997-05-13 | 2007-07-18 | 富士フイルム株式会社 | ウエブ帯電用装置 |
| JP2007241244A (ja) * | 2006-02-13 | 2007-09-20 | Sharp Corp | 帯電装置、画像形成装置、および帯電方法 |
| US7647014B2 (en) * | 2006-02-13 | 2010-01-12 | Sharp Kabushiki Kaisha | Pretransfer charging device and image forming apparatus including same |
| JP2009003129A (ja) | 2007-06-20 | 2009-01-08 | Sharp Corp | 帯電装置、画像形成装置、帯電方法、および帯電装置の製造方法 |
| JP4378398B2 (ja) * | 2007-06-28 | 2009-12-02 | シャープ株式会社 | 帯電装置および画像形成装置 |
| JP4399481B2 (ja) * | 2007-06-29 | 2010-01-13 | シャープ株式会社 | 帯電装置、画像形成装置、帯電装置の制御方法、制御プログラム、及び当該制御プログラムを記録したコンピュータ読み取り可能な記録媒体 |
| JP4536087B2 (ja) * | 2007-06-29 | 2010-09-01 | シャープ株式会社 | イオン発生素子、帯電装置および画像形成装置 |
| JP4536093B2 (ja) * | 2007-08-06 | 2010-09-01 | シャープ株式会社 | イオン発生素子、イオン発生素子の製造方法、帯電装置、および画像形成装置 |
| JP4538509B2 (ja) * | 2008-02-29 | 2010-09-08 | シャープ株式会社 | イオン発生素子、帯電装置および画像形成装置 |
| JP2009300597A (ja) * | 2008-06-11 | 2009-12-24 | Sharp Corp | イオン発生素子、帯電装置および画像形成装置 |
| JP2010145970A (ja) * | 2008-12-22 | 2010-07-01 | Sharp Corp | イオン発生素子、帯電装置および画像形成装置 |
| JP4940284B2 (ja) * | 2009-10-29 | 2012-05-30 | シャープ株式会社 | 帯電装置、帯電装置を備える画像形成装置、および放電電極形成方法 |
| JP4979791B2 (ja) | 2010-04-26 | 2012-07-18 | シャープ株式会社 | 印刷システム |
| JP5655801B2 (ja) * | 2012-02-29 | 2015-01-21 | コニカミノルタ株式会社 | 放電装置 |
| JP6380838B2 (ja) * | 2013-10-22 | 2018-08-29 | 株式会社リコー | 画像形成装置 |
| JP6620732B2 (ja) * | 2016-12-09 | 2019-12-18 | 京セラドキュメントソリューションズ株式会社 | 帯電装置及びこれを備えた画像形成装置 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US533230A (en) * | 1895-01-29 | Clasp for garments | ||
| US3744898A (en) * | 1967-11-28 | 1973-07-10 | Canon Kk | Corona discharge apparatus |
| US3811048A (en) * | 1972-09-12 | 1974-05-14 | Xerox Corp | Electrophotographic charging apparatus |
| US4166690A (en) * | 1977-11-02 | 1979-09-04 | International Business Machines Corporation | Digitally regulated power supply for use in electrostatic transfer reproduction apparatus |
| US4533230A (en) * | 1983-01-26 | 1985-08-06 | Xerox Corporation | Pin charging device for use in xerography |
| US4591713A (en) * | 1984-01-03 | 1986-05-27 | Xerox Corporation | Efficient, self-limiting corona device for positive or negative charging |
| JPS6146828A (ja) * | 1984-08-10 | 1986-03-07 | Matsushita Electric Ind Co Ltd | 換気扇用耐候カバ− |
| US4725731A (en) * | 1986-07-02 | 1988-02-16 | Xerox Corporation | Photoreceptor deletion control by utilization of corona wind |
| US4725732A (en) * | 1986-07-02 | 1988-02-16 | Xerox Corporation | Pin corotron and scorotron assembly |
| JPS6355566A (ja) * | 1986-08-25 | 1988-03-10 | Minolta Camera Co Ltd | 電子写真複写装置 |
| JPS63172182A (ja) * | 1987-01-09 | 1988-07-15 | Ricoh Co Ltd | コロナ放電装置 |
| US4792680A (en) * | 1987-01-12 | 1988-12-20 | Xerox Corporation | Corona device having a beryllium copper screen |
| US4837658A (en) * | 1988-12-14 | 1989-06-06 | Xerox Corporation | Long life corona charging device |
| US5079669A (en) * | 1989-04-10 | 1992-01-07 | Williams Bruce T | Electrophotographic charging system and method |
| US5018045A (en) * | 1989-04-14 | 1991-05-21 | Minolta Camera Kabushiki Kaisha | Corona discharger for use in electrophotographic copying machine |
| JPH034247A (ja) * | 1989-05-31 | 1991-01-10 | Toshiba Corp | 感光体の表面電位制御装置 |
| JP3072112B2 (ja) * | 1990-03-02 | 2000-07-31 | 株式会社リコー | 画像形成装置 |
| JP3128236B2 (ja) * | 1990-11-30 | 2001-01-29 | 株式会社東芝 | 画像形成装置 |
-
1993
- 1993-04-16 EP EP97114031A patent/EP0810487B1/en not_active Expired - Lifetime
- 1993-04-16 DE DE69701060T patent/DE69701060T2/de not_active Expired - Lifetime
- 1993-04-16 EP EP93106265A patent/EP0573758B1/en not_active Expired - Lifetime
- 1993-04-16 DE DE69317071T patent/DE69317071T2/de not_active Expired - Lifetime
- 1993-04-20 US US08/049,443 patent/US5367366A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US5367366A (en) | 1994-11-22 |
| EP0810487B1 (en) | 2000-01-05 |
| EP0573758B1 (en) | 1998-02-25 |
| DE69317071D1 (de) | 1998-04-02 |
| DE69701060D1 (de) | 2000-02-10 |
| EP0810487A1 (en) | 1997-12-03 |
| EP0573758A2 (en) | 1993-12-15 |
| DE69701060T2 (de) | 2000-06-08 |
| EP0573758A3 (enExample) | 1994-02-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |