IT990811B - Sistema per ridurre il deposito dello sviluppo di fondo in un duplicatore elettrostatico - Google Patents
Sistema per ridurre il deposito dello sviluppo di fondo in un duplicatore elettrostaticoInfo
- Publication number
- IT990811B IT990811B IT26022/73A IT2602273A IT990811B IT 990811 B IT990811 B IT 990811B IT 26022/73 A IT26022/73 A IT 26022/73A IT 2602273 A IT2602273 A IT 2602273A IT 990811 B IT990811 B IT 990811B
- Authority
- IT
- Italy
- Prior art keywords
- deposit
- reduce
- background development
- electrostatic duplicator
- duplicator
- Prior art date
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
- G03G15/06—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)
- Wet Developing In Electrophotography (AREA)
- Control Or Security For Electrophotography (AREA)
- Discharging, Photosensitive Material Shape In Electrophotography (AREA)
- Developing For Electrophotography (AREA)
- Electrophotography Using Other Than Carlson'S Method (AREA)
- Cleaning In Electrography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US30757272A | 1972-11-17 | 1972-11-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT990811B true IT990811B (it) | 1975-07-10 |
Family
ID=23190326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT26022/73A IT990811B (it) | 1972-11-17 | 1973-06-28 | Sistema per ridurre il deposito dello sviluppo di fondo in un duplicatore elettrostatico |
Country Status (6)
Country | Link |
---|---|
US (1) | US3782818A (el) |
JP (1) | JPS4983450A (el) |
AU (1) | AU5728573A (el) |
DE (1) | DE2336499A1 (el) |
GB (1) | GB1389153A (el) |
IT (1) | IT990811B (el) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3972611A (en) * | 1970-03-18 | 1976-08-03 | Canon Kabushiki Kaisha | Apparatus for transferring images produced by liquid developer |
JPS5211595B2 (el) * | 1972-09-29 | 1977-03-31 | ||
US4052127A (en) * | 1973-01-24 | 1977-10-04 | Ricoh Co., Ltd. | Developing system |
DE2403186C3 (de) * | 1973-01-24 | 1985-11-21 | Kabushiki Kaisha Ricoh, Tokio/Tokyo | Entwicklungsvorrichtung für ein elektrofotografisches Kopiergerät |
US4129375A (en) * | 1974-05-10 | 1978-12-12 | Ricoh Company, Ltd. | Method and apparatus for electrically biasing developing electrode of electrophotography device |
US4050806A (en) * | 1974-05-10 | 1977-09-27 | Ricoh Co., Ltd. | Method and apparatus for electrically biasing developing electrode of electrophotographic device |
US3892481A (en) * | 1974-06-17 | 1975-07-01 | Savin Business Machines Corp | Automatic development electrode bias control system |
USRE31964E (en) * | 1974-06-17 | 1985-08-06 | Savin Corporation | Automatic development electrode bias control system |
US4141643A (en) * | 1974-09-13 | 1979-02-27 | Ricoh Company, Ltd. | Developing electrode arrangement for electrophotographic apparatus |
JPS5148341A (el) * | 1974-10-24 | 1976-04-26 | Ricoh Kk | |
JPS5815788B2 (ja) * | 1974-10-30 | 1983-03-28 | 株式会社リコー | 現像電極制御装置 |
JPS5174634A (en) * | 1974-12-24 | 1976-06-28 | Ricoh Kk | Denshishashinno baiasugenzohoho |
JPS5187046A (en) * | 1975-01-28 | 1976-07-30 | Ricoh Kk | Serufuootobaiasushikidenshishashingenzosochi |
US3998538A (en) * | 1975-02-24 | 1976-12-21 | Xerox Corporation | Electrometer apparatus for reproduction machines |
JPS5911106B2 (ja) * | 1975-04-04 | 1984-03-13 | 株式会社リコー | オ−トバイアス現像方法 |
US3981267A (en) * | 1975-05-20 | 1976-09-21 | Savin Business Machines Corporation | Electrophotographic liquid developing system |
US4021112A (en) * | 1975-06-23 | 1977-05-03 | Xerox Corporation | Photoreceptor dark current leakage detecting apparatus for xerographic machines |
JPS5290942A (en) * | 1976-01-26 | 1977-07-30 | Canon Inc | Electrostatic printing |
US4044718A (en) * | 1976-09-10 | 1977-08-30 | Xonics, Inc. | Electrostatic fountain developer |
JPS552270A (en) * | 1978-06-21 | 1980-01-09 | Ricoh Co Ltd | Bias device of copying machine |
USRE30477E (en) * | 1979-05-10 | 1981-01-13 | Savin Corporation | Electrophotographic liquid developing system |
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 |
JPS58162961A (ja) * | 1982-03-24 | 1983-09-27 | Fuji Photo Film Co Ltd | 平板印刷板の製造方法 |
US4491408A (en) * | 1984-01-03 | 1985-01-01 | Xerox Corporation | Electrostatographic system development modulation |
JPS61177478A (ja) * | 1985-02-01 | 1986-08-09 | Dainippon Screen Mfg Co Ltd | ドラムのシ−ト材装着装置 |
US4851317A (en) * | 1987-11-04 | 1989-07-25 | E. I. Du Pont De Nemours And Company | Laminar flow toning station having conductive and nonconductive elements therein |
US5021312A (en) * | 1987-12-28 | 1991-06-04 | Fuji Photo Film Co., Ltd. | Apparatus and method for controlling the quantity of developer delivered to a film processing head |
KR100768756B1 (ko) * | 2006-08-25 | 2007-10-23 | 박재홍 | 선박용 쥐막이 |
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 (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3346475A (en) * | 1963-02-25 | 1967-10-10 | Australia Res Lab | Electrophotographic method using an unsymmetrical ac current during development |
US3411482A (en) * | 1967-01-30 | 1968-11-19 | Varian Associates | Electrographic toner development employing a clean-up electrode structure for removing unwanted background |
US3576623A (en) * | 1968-02-23 | 1971-04-27 | Xerox Corp | Development system employing a coronode immersed in a liquid developer |
US3577259A (en) * | 1968-09-19 | 1971-05-04 | Xerox Corp | Liquid development of electrostatic latent images utilizing a tonerfree zone |
JPS5215976A (en) * | 1975-07-28 | 1977-02-05 | Hitachi Ltd | Fluid pressure servo |
-
1972
- 1972-11-17 US US00307572A patent/US3782818A/en not_active Expired - Lifetime
-
1973
- 1973-06-25 AU AU57285/73A patent/AU5728573A/en not_active Expired
- 1973-06-28 IT IT26022/73A patent/IT990811B/it active
- 1973-06-28 JP JP48072344A patent/JPS4983450A/ja active Pending
- 1973-07-05 GB GB3208473A patent/GB1389153A/en not_active Expired
- 1973-07-18 DE DE19732336499 patent/DE2336499A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS4983450A (el) | 1974-08-10 |
GB1389153A (en) | 1975-04-03 |
US3782818A (en) | 1974-01-01 |
AU5728573A (en) | 1975-01-09 |
DE2336499A1 (de) | 1974-06-06 |
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