GB1389153A - System for reducing background developer deposition in an electrostatic copier - Google Patents

System for reducing background developer deposition in an electrostatic copier

Info

Publication number
GB1389153A
GB1389153A GB3208473A GB3208473A GB1389153A GB 1389153 A GB1389153 A GB 1389153A GB 3208473 A GB3208473 A GB 3208473A GB 3208473 A GB3208473 A GB 3208473A GB 1389153 A GB1389153 A GB 1389153A
Authority
GB
United Kingdom
Prior art keywords
potential
conductive
photo
drum
surface portion
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
Application number
GB3208473A
Other languages
English (en)
Inventor
I Smith
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Savin Business Machines Corp
Original Assignee
Savin Business Machines Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Savin Business Machines Corp filed Critical Savin Business Machines Corp
Publication of GB1389153A publication Critical patent/GB1389153A/en
Expired legal-status Critical Current

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)
  • Electrophotography Using Other Than Carlson'S Method (AREA)
  • Cleaning In Electrography (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
  • Developing For Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
GB3208473A 1972-11-17 1973-07-05 System for reducing background developer deposition in an electrostatic copier Expired GB1389153A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US30757272A 1972-11-17 1972-11-17

Publications (1)

Publication Number Publication Date
GB1389153A true GB1389153A (en) 1975-04-03

Family

ID=23190326

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3208473A Expired GB1389153A (en) 1972-11-17 1973-07-05 System for reducing background developer deposition in an electrostatic copier

Country Status (6)

Country Link
US (1) US3782818A (enrdf_load_stackoverflow)
JP (1) JPS4983450A (enrdf_load_stackoverflow)
AU (1) AU5728573A (enrdf_load_stackoverflow)
DE (1) DE2336499A1 (enrdf_load_stackoverflow)
GB (1) GB1389153A (enrdf_load_stackoverflow)
IT (1) IT990811B (enrdf_load_stackoverflow)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
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 (enrdf_load_stackoverflow) * 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
US4050806A (en) * 1974-05-10 1977-09-27 Ricoh Co., Ltd. Method and apparatus for electrically biasing developing electrode of electrophotographic device
US4129375A (en) * 1974-05-10 1978-12-12 Ricoh Company, Ltd. Method and apparatus for electrically biasing developing electrode of electrophotography 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 (enrdf_load_stackoverflow) * 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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE2336499A1 (de) 1974-06-06
US3782818A (en) 1974-01-01
AU5728573A (en) 1975-01-09
JPS4983450A (enrdf_load_stackoverflow) 1974-08-10
IT990811B (it) 1975-07-10

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed