FR2309908A1 - Appareil de reproduction electrostatographique muni de moyens de mesure de courant corona - Google Patents

Appareil de reproduction electrostatographique muni de moyens de mesure de courant corona

Info

Publication number
FR2309908A1
FR2309908A1 FR7612641A FR7612641A FR2309908A1 FR 2309908 A1 FR2309908 A1 FR 2309908A1 FR 7612641 A FR7612641 A FR 7612641A FR 7612641 A FR7612641 A FR 7612641A FR 2309908 A1 FR2309908 A1 FR 2309908A1
Authority
FR
France
Prior art keywords
measuring means
current measuring
equipment equipped
corona current
reproduction equipment
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.)
Granted
Application number
FR7612641A
Other languages
English (en)
Other versions
FR2309908B1 (fr
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.)
Xerox Corp
Original Assignee
Xerox 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
Priority claimed from US05/572,683 external-priority patent/US3950680A/en
Priority claimed from US05/607,746 external-priority patent/US4077709A/en
Application filed by Xerox Corp filed Critical Xerox Corp
Publication of FR2309908A1 publication Critical patent/FR2309908A1/fr
Application granted granted Critical
Publication of FR2309908B1 publication Critical patent/FR2309908B1/fr
Granted 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
    • G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
    • G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
    • G03G15/163—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer using the force produced by an electrostatic transfer field formed between the second base and the electrographic recording member, e.g. transfer through an air gap
    • G03G15/1635—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer using the force produced by an electrostatic transfer field formed between the second base and the electrographic recording member, e.g. transfer through an air gap the field being produced by laying down an electrostatic charge behind the base or the recording member, e.g. by a corona device
    • G03G15/1645—Arrangements for controlling the amount of charge
    • 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
    • G03G15/0266—Arrangements for controlling the amount of charge

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Control Or Security For Electrophotography (AREA)
FR7612641A 1975-04-28 1976-04-28 Appareil de reproduction electrostatographique muni de moyens de mesure de courant corona Granted FR2309908A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/572,683 US3950680A (en) 1975-04-28 1975-04-28 Electrostatographic diagnostics system
US05/607,746 US4077709A (en) 1975-08-26 1975-08-26 Transfer charge control system

Publications (2)

Publication Number Publication Date
FR2309908A1 true FR2309908A1 (fr) 1976-11-26
FR2309908B1 FR2309908B1 (fr) 1982-05-14

Family

ID=27075910

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7612641A Granted FR2309908A1 (fr) 1975-04-28 1976-04-28 Appareil de reproduction electrostatographique muni de moyens de mesure de courant corona

Country Status (5)

Country Link
JP (1) JPS51131635A (fr)
DE (1) DE2611503C2 (fr)
FR (1) FR2309908A1 (fr)
GB (1) GB1533311A (fr)
NL (1) NL7602999A (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5394931A (en) * 1977-01-28 1978-08-19 Ricoh Co Ltd Charging method
JPS53116163A (en) * 1977-03-18 1978-10-11 Canon Inc Electric charger for electrophotography
JPS549631A (en) * 1977-06-22 1979-01-24 Fujitsu Ltd Automatic control system for charging amount
JPS5418746A (en) * 1977-07-12 1979-02-13 Ricoh Co Ltd Destaticizing and separating device
JPS5483839A (en) * 1977-12-16 1979-07-04 Canon Inc Image control
GB2039101B (en) * 1978-08-24 1983-05-25 Canon Kk Control of electrostatic recording apparatus
JPS5535331A (en) * 1978-09-04 1980-03-12 Ricoh Co Ltd Transfer method of electrophotographic copier
DE2849222A1 (de) * 1978-11-13 1980-05-22 Hoechst Ag Verfahren zum elektrostatischen aufladen einer dielektrischen schicht sowie vorrichtung zur durchfuehrung des verfahrens
JPS5640871A (en) * 1979-09-13 1981-04-17 Canon Inc Method and device for electrostatic isolation
JPS5647064A (en) * 1979-09-25 1981-04-28 Konishiroku Photo Ind Co Ltd Discharge quantity controlling method of discharger for electrophotography or electrostatic recording
JPS57182761A (en) * 1981-05-05 1982-11-10 Ricoh Co Ltd Corona discharging device
JPS5825661A (ja) * 1981-08-07 1983-02-15 Ricoh Co Ltd 帯電装置
JPS5972067A (ja) * 1982-10-18 1984-04-23 Toshiba Corp 帯電装置の異常検出装置
EP0109722A1 (fr) * 1982-11-19 1984-05-30 N.V. Nederlandsche Apparatenfabriek NEDAP Procédé et appareil pour l'ajustage automatique du potentiel d'une couche photosensible
JPS59133570A (ja) * 1983-01-20 1984-07-31 Sharp Corp コロナ放電器の異常検出装置
JPS60256163A (ja) * 1984-06-01 1985-12-17 Toshiba Corp 現像装置
DE3444554A1 (de) * 1984-12-06 1986-06-12 Ernst Roederstein Spezialfabrik für Kondensatoren GmbH, 8300 Landshut Schaltungsanordnung zur spannungs- und stromstabilisierung eines hochspannungsgenerators
JPS61190361A (ja) * 1985-02-20 1986-08-25 Toshiba Corp 現像装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3557368A (en) * 1968-01-25 1971-01-19 Iwatsu Electric Co Ltd Charging device applied for making electrophotography
US3699388A (en) * 1967-07-06 1972-10-17 Ricoh Kk Apparatus for electrostatic charging of paper in electrophotographic reproduction
US3805069A (en) * 1973-01-18 1974-04-16 Xerox Corp Regulated corona generator
US3813548A (en) * 1971-01-21 1974-05-28 Xerox Corp Corona generating methods and apparatus therefor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE794567A (fr) * 1972-01-27 1973-07-26 Xerox Corp Procedes perfectionnes de transfert d'images electrostatiques et appareils de mise en oeuvre de ces procedes
DE2213419A1 (de) * 1972-03-20 1973-10-04 Kalle Ag Verfahren zur verringerung der ozonerzeugung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3699388A (en) * 1967-07-06 1972-10-17 Ricoh Kk Apparatus for electrostatic charging of paper in electrophotographic reproduction
US3557368A (en) * 1968-01-25 1971-01-19 Iwatsu Electric Co Ltd Charging device applied for making electrophotography
US3813548A (en) * 1971-01-21 1974-05-28 Xerox Corp Corona generating methods and apparatus therefor
US3805069A (en) * 1973-01-18 1974-04-16 Xerox Corp Regulated corona generator

Also Published As

Publication number Publication date
GB1533311A (en) 1978-11-22
DE2611503C2 (de) 1986-09-04
JPS51131635A (en) 1976-11-16
FR2309908B1 (fr) 1982-05-14
DE2611503A1 (de) 1976-11-18
NL7602999A (nl) 1976-11-01

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Legal Events

Date Code Title Description
ST Notification of lapse