BE841666A - Dispositif de developpement pour une machine a photocopier electrostatique - Google Patents

Dispositif de developpement pour une machine a photocopier electrostatique

Info

Publication number
BE841666A
BE841666A BE166905A BE166909A BE841666A BE 841666 A BE841666 A BE 841666A BE 166905 A BE166905 A BE 166905A BE 166909 A BE166909 A BE 166909A BE 841666 A BE841666 A BE 841666A
Authority
BE
Belgium
Prior art keywords
copying machine
development device
electrostatic copying
electrostatic
development
Prior art date
Application number
BE166905A
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE841666A publication Critical patent/BE841666A/xx

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)
  • Developing For Electrophotography (AREA)
  • Wet Developing In Electrophotography (AREA)
BE166905A 1975-05-20 1976-05-10 Dispositif de developpement pour une machine a photocopier electrostatique BE841666A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/579,330 US3981267A (en) 1975-05-20 1975-05-20 Electrophotographic liquid developing system

Publications (1)

Publication Number Publication Date
BE841666A true BE841666A (fr) 1976-09-01

Family

ID=24316465

Family Applications (1)

Application Number Title Priority Date Filing Date
BE166905A BE841666A (fr) 1975-05-20 1976-05-10 Dispositif de developpement pour une machine a photocopier electrostatique

Country Status (7)

Country Link
US (1) US3981267A (de)
JP (1) JPS599908B2 (de)
BE (1) BE841666A (de)
CA (1) CA1088738A (de)
DE (1) DE2621861C2 (de)
FR (1) FR2312050A1 (de)
GB (1) GB1496462A (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2550846C2 (de) * 1974-11-12 1983-11-17 Ricoh Co., Ltd., Tokyo Entwicklungseinrichtung für ein elektrophotographisches Kopiergerät
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
JPS5815789B2 (ja) * 1975-10-01 1983-03-28 株式会社リコー デンシシヤシンフクシヤキニオケル オ−トバイアスゲンゾウホウホウ
JPS6044653B2 (ja) * 1976-05-17 1985-10-04 株式会社リコー 現像バイアス自動制御方法及びその装置
DE2651646C3 (de) * 1976-11-12 1984-01-05 Hoechst Ag, 6230 Frankfurt Vorrichtung zum Entwickeln von latenten elektrostatischen Ladungsbildern
GB1561923A (en) * 1976-12-31 1980-03-05 Xerox Corp Control system for an electrostatogrophic copying machine
JPS5497039A (en) * 1978-01-17 1979-07-31 Konishiroku Photo Ind Co Ltd Bias voltage change-over circuit for image density control of copier
GB2041790B (en) * 1979-02-23 1983-07-27 Savin Corp Liquid development of electrostatic images
JPS6053478A (ja) * 1983-09-05 1985-03-27 ヤマハ発動機株式会社 自動二輪車等の車高検出機構
DE3334807A1 (de) * 1983-09-26 1985-04-11 Hoechst Ag, 6230 Frankfurt Spritzschutzvorrichtung fuer ein elektrofotografisches kopiergeraet
JPS61132970A (ja) * 1984-12-03 1986-06-20 Olympus Optical Co Ltd 複写装置
JPS622491U (de) * 1985-06-21 1987-01-09
US4860924A (en) * 1986-02-14 1989-08-29 Savin Corporation Liquid developer charge director control
AU7083687A (en) * 1986-02-14 1987-09-09 Savin Corp. Liquid developer charge director control
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
KR100636233B1 (ko) * 2005-05-13 2006-10-19 삼성전자주식회사 고압절환장치 및 이를 채용한 멀티패스방식 화상형성장치
WO2023200424A1 (en) * 2022-04-11 2023-10-19 Hewlett-Packard Development Company, L.P. Lep printing device bid assembly constant current mode

Family Cites Families (9)

* 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
US3411482A (en) * 1967-01-30 1968-11-19 Varian Associates Electrographic toner development employing a clean-up electrode structure for removing unwanted background
BE755383A (fr) * 1969-08-29 1971-03-01 Xerox Corp Appareil pour le controle d'electrodes de developpement
US3674532A (en) * 1970-07-23 1972-07-04 Eastman Kodak Co Control for bias of magnetic brush and method
US3782818A (en) * 1972-11-17 1974-01-01 Savin Business Machines Corp System for reducing background developer deposition in an electrostatic copier
US3860436A (en) * 1972-11-24 1975-01-14 Thomas Meagher Constant current biasing transfer system
US3815989A (en) * 1972-12-14 1974-06-11 Nashua Corp Electrophotographic copy systems
US3892481A (en) * 1974-06-17 1975-07-01 Savin Business Machines Corp Automatic development electrode bias control system
DE2550846C2 (de) 1974-11-12 1983-11-17 Ricoh Co., Ltd., Tokyo Entwicklungseinrichtung für ein elektrophotographisches Kopiergerät

Also Published As

Publication number Publication date
GB1496462A (en) 1977-12-30
DE2621861C2 (de) 1986-05-15
FR2312050A1 (fr) 1976-12-17
DE2621861A1 (de) 1976-12-09
JPS52424A (en) 1977-01-05
JPS599908B2 (ja) 1984-03-06
CA1088738A (en) 1980-11-04
US3981267A (en) 1976-09-21
FR2312050B1 (de) 1981-09-25

Similar Documents

Publication Publication Date Title
FR2312050A1 (fr) Dispositif de developpement pour une machine a photocopier electrostatique
BE847694A (fr) Dispositif de manipulation de feuilles, notamment pour machine a copier
BE824059A (fr) Machine a copier electrophotographique
FR2416502B1 (fr) Dispositif de controle pour une machine de photocopie
FR2328375A7 (fr) Dispositif a chargement prealable et a bande pour le netttoyage du tambour de machines a photocopier xerographiques
FR2350631A1 (fr) Machine a photocopier electrostatique a selection de grandissement
JPS5256939A (en) Developing apparatus for electronic copying machine
FR2339888A1 (fr) Dispositif de commande pour une machine a copier
FR2445544B1 (fr) Dispositif de projection a objectifs multiples pour machines a copier
BE807862A (fr) Dispositif fournisseur de feuilles pour machines a copier
BE859456A (fr) Dispositif pour le developpement de matieres a copier electrophotographiques
JPS51149033A (en) Fusing device for electrophotographic printing machine
GB1554127A (en) Developer sealing device for xerographic copying machine
FR2312801A1 (fr) Photocopieur comportant un dispositif pour chasser l'exces de solution de developpement ammoniacale du papier diazoique developpe
FR2302556A1 (fr) Dispositif de developpement pour machine d'impression electrostatique
FR2276617A1 (fr) Machine a copier electro-photographique
JPS5339757A (en) Magenetic developing unit for electrophotographic copying machine
FR2317678A1 (fr) Dispositif de nettoyage pour machine de reproduction electrophotographique
JPS5364530A (en) Developing device for use in electrostatic copying machine
JPS539127A (en) Heattroll type fixing device of electrophotographic copying machine
BE858870A (fr) Dispositif de developpement pour appareil a photocopier
DE2861639D1 (en) Developing device for xerographic copying machines
CA1035571A (en) Developing device for electrophotographic copying machines
BE777425A (fr) Dispositif de developpement pour machine a photocopier electrostatique
JPS5263342A (en) Developing apparatus for electrophotographic copying machine