BR9305028A - Aparelho de carregamento de escorotron adaptado para aplicar uma carga uniforme a uma superficie retentora de carga e aparelho de formaçáo de imagem eletrofotográfica - Google Patents
Aparelho de carregamento de escorotron adaptado para aplicar uma carga uniforme a uma superficie retentora de carga e aparelho de formaçáo de imagem eletrofotográficaInfo
- Publication number
- BR9305028A BR9305028A BR9305028A BR9305028A BR9305028A BR 9305028 A BR9305028 A BR 9305028A BR 9305028 A BR9305028 A BR 9305028A BR 9305028 A BR9305028 A BR 9305028A BR 9305028 A BR9305028 A BR 9305028A
- Authority
- BR
- Brazil
- Prior art keywords
- scorotron
- apply
- load
- retaining surface
- electrophotographic imaging
- Prior art date
Links
Classifications
-
- 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
-
- 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
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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/992,512 US5324942A (en) | 1992-12-17 | 1992-12-17 | Tunable scorotron for depositing uniform charge potential |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9305028A true BR9305028A (pt) | 1994-06-21 |
Family
ID=25538418
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9305028A BR9305028A (pt) | 1992-12-17 | 1993-12-13 | Aparelho de carregamento de escorotron adaptado para aplicar uma carga uniforme a uma superficie retentora de carga e aparelho de formaçáo de imagem eletrofotográfica |
Country Status (4)
Country | Link |
---|---|
US (1) | US5324942A (pt) |
JP (1) | JPH06222652A (pt) |
BR (1) | BR9305028A (pt) |
MX (1) | MX9307329A (pt) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5381214A (en) * | 1992-04-20 | 1995-01-10 | Matsushita Electric Industrial Co., Ltd. | Electrophotographic charging device |
US5519217A (en) * | 1995-05-08 | 1996-05-21 | Thomson Consumer Electronics, Inc. | Apparatus for charging an organic photoconductive layer for a CRT |
KR100302528B1 (ko) * | 1997-08-30 | 2001-11-22 | 김영남 | 음극선관의건식전자사진식스크린제조를위한광전도막대전방법과그대전장치 |
US5907155A (en) * | 1998-01-08 | 1999-05-25 | Xerox Corporation | Constant DC offset coronode voltage tracking circuit |
US5897238A (en) * | 1998-06-18 | 1999-04-27 | Eastman Kodak Company | Method of setting position of a corona charger |
US6553198B1 (en) * | 2002-03-27 | 2003-04-22 | Nexpress Solutions Llc | Single piece control grid electrode for a corona charger |
US6909867B2 (en) * | 2002-08-29 | 2005-06-21 | Xerox Corporation | Uniform charge device with reduced edge effects |
US7187534B2 (en) * | 2002-08-29 | 2007-03-06 | Xerox Corporation | Uniform charge device with reduced edge effects |
US8126367B2 (en) * | 2008-09-30 | 2012-02-28 | Xerox Corporation | Scorotron apparatus for charging a photoconductor |
JP5464187B2 (ja) * | 2011-09-09 | 2014-04-09 | コニカミノルタ株式会社 | 帯電器、およびこれを有するイメージングカートリッジおよび画像形成装置 |
US9354539B1 (en) * | 2015-04-29 | 2016-05-31 | Kabushiki Kaisha Toshiba | Image forming apparatus with holding unit for charging electrode |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2777957A (en) * | 1950-04-06 | 1957-01-15 | Haloid Co | Corona discharge device |
US2965754A (en) * | 1958-03-26 | 1960-12-20 | Haloid Xerox Inc | Double screen corona device |
US3688107A (en) * | 1970-10-26 | 1972-08-29 | Xerox Corp | Electrostatographic charging apparatus |
US3937960A (en) * | 1972-02-22 | 1976-02-10 | Rank Xerox, Ltd. | Charging device for electrophotography |
US3934141A (en) * | 1974-07-03 | 1976-01-20 | Xerox Corporation | Apparatus for automatically regulating the amount of charge applied to an insulating surface |
US4112299A (en) * | 1976-08-02 | 1978-09-05 | Xerox Corporation | Corona device with segmented shield |
JPS5511255A (en) * | 1978-07-11 | 1980-01-26 | Ricoh Co Ltd | Corona discharge device |
US4318610A (en) * | 1980-04-21 | 1982-03-09 | Xerox Corporation | Control system for an electrophotographic printing machine |
JPS5825661A (ja) * | 1981-08-07 | 1983-02-15 | Ricoh Co Ltd | 帯電装置 |
US4408865A (en) * | 1981-11-23 | 1983-10-11 | Hewlett Packard Company | Corona discharge device for electrophotographic charging and potential leveling |
US4638397A (en) * | 1984-12-21 | 1987-01-20 | Xerox Corporation | Self-biased scorotron and control therefor |
US4652754A (en) * | 1985-12-23 | 1987-03-24 | Eastman Kodak Company | Corona generating apparatus |
JP2586555B2 (ja) * | 1988-03-11 | 1997-03-05 | ミノルタ株式会社 | 電子写真用帯電装置 |
US5079668A (en) * | 1989-02-10 | 1992-01-07 | Mita Industrial Co., Ltd. | Corona discharging device |
JP2797397B2 (ja) * | 1989-04-14 | 1998-09-17 | 日立工機株式会社 | 電子写真用帯電器 |
-
1992
- 1992-12-17 US US07/992,512 patent/US5324942A/en not_active Expired - Fee Related
-
1993
- 1993-11-12 JP JP5283249A patent/JPH06222652A/ja active Pending
- 1993-11-23 MX MX9307329A patent/MX9307329A/es unknown
- 1993-12-13 BR BR9305028A patent/BR9305028A/pt not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
JPH06222652A (ja) | 1994-08-12 |
US5324942A (en) | 1994-06-28 |
MX9307329A (es) | 1994-06-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA10 | Dismissal: dismissal - article 33 of industrial property law | ||
HKFN | Application deemed withdrawn (deleted) | ||
FA7 | Application withdrawn (art. 18 par. 1 of law 5772/71) - being contrary to morals, good customs and public security, order and health |