IT1034714B - SYSTEM FOR THE AUTOMATIC CONTROL OF THE POLARIZATION OF A DEVELOPER ELECTRODE - Google Patents

SYSTEM FOR THE AUTOMATIC CONTROL OF THE POLARIZATION OF A DEVELOPER ELECTRODE

Info

Publication number
IT1034714B
IT1034714B IT21838/75A IT2183875A IT1034714B IT 1034714 B IT1034714 B IT 1034714B IT 21838/75 A IT21838/75 A IT 21838/75A IT 2183875 A IT2183875 A IT 2183875A IT 1034714 B IT1034714 B IT 1034714B
Authority
IT
Italy
Prior art keywords
polarization
automatic control
developer electrode
developer
electrode
Prior art date
Application number
IT21838/75A
Other languages
Italian (it)
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
Application granted granted Critical
Publication of IT1034714B publication Critical patent/IT1034714B/en

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
    • 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
    • G03G15/10—Apparatus for electrographic processes using a charge pattern for developing using a liquid developer
IT21838/75A 1974-06-17 1975-03-28 SYSTEM FOR THE AUTOMATIC CONTROL OF THE POLARIZATION OF A DEVELOPER ELECTRODE IT1034714B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US479659A US3892481A (en) 1974-06-17 1974-06-17 Automatic development electrode bias control system

Publications (1)

Publication Number Publication Date
IT1034714B true IT1034714B (en) 1979-10-10

Family

ID=23904891

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21838/75A IT1034714B (en) 1974-06-17 1975-03-28 SYSTEM FOR THE AUTOMATIC CONTROL OF THE POLARIZATION OF A DEVELOPER ELECTRODE

Country Status (7)

Country Link
US (1) US3892481A (en)
JP (1) JPS6158829B2 (en)
CA (1) CA1149154A (en)
DE (1) DE2516012A1 (en)
FR (1) FR2280117A1 (en)
GB (1) GB1483400A (en)
IT (1) IT1034714B (en)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4025184A (en) * 1974-01-21 1977-05-24 Ricoh Co., Ltd. Developing electrode contamination prevention system for electrophotography
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
JPS588507B2 (en) * 1974-06-10 1983-02-16 株式会社リコー Wet developing device
US4141643A (en) * 1974-09-13 1979-02-27 Ricoh Company, Ltd. Developing electrode arrangement for electrophotographic apparatus
JPS5441502B2 (en) * 1974-10-21 1979-12-08
DE2550846C2 (en) * 1974-11-12 1983-11-17 Ricoh Co., Ltd., Tokyo Developing device for an electrophotographic copier
JPS5174634A (en) * 1974-12-24 1976-06-28 Ricoh Kk Denshishashinno baiasugenzohoho
JPS5187046A (en) * 1975-01-28 1976-07-30 Ricoh Kk Serufuootobaiasushikidenshishashingenzosochi
JPS5911106B2 (en) * 1975-04-04 1984-03-13 株式会社リコー Auto bias development method
US3981267A (en) * 1975-05-20 1976-09-21 Savin Business Machines Corporation Electrophotographic liquid developing system
JPS5815789B2 (en) * 1975-10-01 1983-03-28 株式会社リコー Denshisha Shin Fukushi Yakiniokeru Auto Bias Genzohouhou
JPS5833551B2 (en) * 1975-10-01 1983-07-20 株式会社リコー Denshisha Shin Fukushi Yakiniokeru Auto Bias Genzohouhou
US4183655A (en) * 1975-10-07 1980-01-15 Ricoh Company, Ltd. Cleaning means for image transfer unit in electrophotographic copying machines
CA1091756A (en) * 1975-10-14 1980-12-16 Eastman Kodak Company Electrophotographic apparatus having compensation for changes in sensitometric properties of photoconductors
CA1103744A (en) * 1975-10-14 1981-06-23 Eastman Kodak Company Electrophotographic apparatus having compensation for rest-run performance variations
JPS5293340A (en) * 1976-02-02 1977-08-05 Ricoh Co Ltd Electronic photographic picture adjustment
JPS6044653B2 (en) * 1976-05-17 1985-10-04 株式会社リコー Developing bias automatic control method and device
US4044718A (en) * 1976-09-10 1977-08-30 Xonics, Inc. Electrostatic fountain developer
DE2655158C2 (en) * 1976-12-06 1986-04-03 Hoechst Ag, 6230 Frankfurt Method and apparatus for developing an electrostatic latent image
US4244321A (en) * 1978-02-14 1981-01-13 James River Graphics, Inc. Electrographic development electrode
US4266870A (en) * 1978-03-09 1981-05-12 Ricoh Company, Ltd. Electrostatographic apparatus comprising developing bias means
JPS552270A (en) * 1978-06-21 1980-01-09 Ricoh Co Ltd Bias device of copying machine
GB2039101B (en) * 1978-08-24 1983-05-25 Canon Kk Control of electrostatic recording apparatus
USRE30477E (en) * 1979-05-10 1981-01-13 Savin Corporation Electrophotographic liquid developing system
US4373800A (en) * 1979-12-03 1983-02-15 Ricoh Company, Ltd. Wet type electrophotographic copying machine
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
US4669859A (en) * 1982-03-23 1987-06-02 Ricoh Company, Ltd. Developing device
US4678317A (en) * 1985-11-04 1987-07-07 Savin Corporation Charge and bias control system for electrophotographic copier
EP0240042A1 (en) * 1986-02-25 1987-10-07 Coulter Stork Patents B.V. Method and device for the development of a latent electrostatic image
US4843425A (en) * 1986-09-12 1989-06-27 Konishiroku Photo Industry Co., Ltd. Image forming method and apparatus
US4761671A (en) * 1987-02-02 1988-08-02 Eastman Kodak Company Electrophotographic subprocess for apparatus using discharged area toning
JPH0278967U (en) * 1988-12-05 1990-06-18
US4984019A (en) * 1990-02-26 1991-01-08 Xerox Corporation Electrode wire cleaning
US4957213A (en) * 1990-03-05 1990-09-18 White Dennis H Card file stop
DE4118434C2 (en) * 1990-06-06 1996-01-04 Mitsubishi Paper Mills Ltd A method of electrophotographic reversible wet development
CA2062230C (en) * 1991-03-04 1999-03-09 Yoshiaki Okano Electrophotographic printing apparatus capable of printing images by electrophotographic processing and its start-up method
US5243391A (en) * 1992-05-01 1993-09-07 Printware, Inc. Varying an electric field, during development of a latent electrostatic image with developer solution, in proportion to a sensed concentration of toner that is within the developer solution
JP3013877B2 (en) * 1995-02-01 2000-02-28 日本ビクター株式会社 Method and apparatus for developing electrostatic latent image
US5748217A (en) * 1995-11-16 1998-05-05 Phoenix Precision Graphics, Inc. Charge compensation circuit for an electrostatic writing head

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2956487A (en) * 1955-03-23 1960-10-18 Rca Corp Electrostatic printing
BE755383A (en) * 1969-08-29 1971-03-01 Xerox Corp APPARATUS FOR THE CONTROL OF DEVELOPMENT ELECTRODES
US3654893A (en) * 1970-05-01 1972-04-11 Eastman Kodak Co Automatic bias control for electrostatic development
JPS497014A (en) * 1972-05-08 1974-01-22
US3788739A (en) * 1972-06-21 1974-01-29 Xerox Corp Image compensation method and apparatus for electrophotographic devices
US3782818A (en) * 1972-11-17 1974-01-01 Savin Business Machines Corp System for reducing background developer deposition in an electrostatic copier
US3815988A (en) * 1973-05-17 1974-06-11 Xerox Corp Image density control apparatus
US3835380A (en) * 1973-08-14 1974-09-10 Xerox Corp Electrometer system

Also Published As

Publication number Publication date
JPS511144A (en) 1976-01-07
GB1483400A (en) 1977-08-17
FR2280117B1 (en) 1977-04-15
CA1149154A (en) 1983-07-05
DE2516012A1 (en) 1976-01-02
US3892481A (en) 1975-07-01
JPS6158829B2 (en) 1986-12-13
FR2280117A1 (en) 1976-02-20
DE2516012C2 (en) 1987-08-13

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