DE2702920A1 - Verfahren und geraet zur ausbildung eines bilds - Google Patents

Verfahren und geraet zur ausbildung eines bilds

Info

Publication number
DE2702920A1
DE2702920A1 DE19772702920 DE2702920A DE2702920A1 DE 2702920 A1 DE2702920 A1 DE 2702920A1 DE 19772702920 DE19772702920 DE 19772702920 DE 2702920 A DE2702920 A DE 2702920A DE 2702920 A1 DE2702920 A1 DE 2702920A1
Authority
DE
Germany
Prior art keywords
image
charge
holding force
density
printing
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
DE19772702920
Other languages
German (de)
English (en)
Other versions
DE2702920C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Motoharu Fujii
Noboru Koumura
Takao Muramatsu
Susumu Sugiura
Nobuhiro Takekawa
Syusei Tsukada
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Publication of DE2702920A1 publication Critical patent/DE2702920A1/de
Application granted granted Critical
Publication of DE2702920C2 publication Critical patent/DE2702920C2/de
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/02Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
    • G03G15/0266Arrangements for controlling the amount of charge
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/06Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/065Arrangements for controlling the potential of the developing electrode

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Electrophotography Using Other Than Carlson'S Method (AREA)
  • Printing Methods (AREA)
DE19772702920 1976-01-26 1977-01-25 Verfahren und geraet zur ausbildung eines bilds Granted DE2702920A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP774976A JPS5290942A (en) 1976-01-26 1976-01-26 Electrostatic printing

Publications (2)

Publication Number Publication Date
DE2702920A1 true DE2702920A1 (de) 1977-07-28
DE2702920C2 DE2702920C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-10-01

Family

ID=11674334

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772702920 Granted DE2702920A1 (de) 1976-01-26 1977-01-25 Verfahren und geraet zur ausbildung eines bilds

Country Status (3)

Country Link
US (1) US4734740A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5290942A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2702920A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4870460A (en) * 1986-12-05 1989-09-26 Ricoh Company, Ltd. Method of controlling surface potential of photoconductive element
US4924263A (en) * 1989-04-10 1990-05-08 Xerox Corporation Quality control for magnetic images
JP3145035B2 (ja) * 1996-09-09 2001-03-12 株式会社東芝 画像形成装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3788739A (en) * 1972-06-21 1974-01-29 Xerox Corp Image compensation method and apparatus for electrophotographic devices
DE2520810A1 (de) * 1974-05-10 1975-11-20 Ricoh Kk Verfahren und einrichtung zum anlegen einer vorspannung an eine entwicklungselektrode einer elektrophotographischen einrichtung

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3438705A (en) * 1967-01-03 1969-04-15 Xerox Corp Automatic xerographic development control
US4003650A (en) * 1974-11-05 1977-01-18 Xerox Corporation Controller for reproduction apparatus
US3918971A (en) * 1971-04-19 1975-11-11 Pitney Bowes Inc Method for creating multiple electrostatic copies by persistent conductivity
US3782818A (en) * 1972-11-17 1974-01-01 Savin Business Machines Corp System for reducing background developer deposition in an electrostatic copier
US3877413A (en) * 1973-06-18 1975-04-15 Eastman Kodak Co Auto bias control apparatus
GB1522641A (en) * 1974-07-27 1978-08-23 Canon Kk Process for electrostatic printing
JPS5441502B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1974-10-21 1979-12-08
US4000944A (en) * 1975-02-18 1977-01-04 Xerox Corporation Photoreceptor for electrostatic reproduction machines with built-in electrode
US4032227A (en) * 1976-01-15 1977-06-28 International Business Machines Corporation Toner concentration control apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3788739A (en) * 1972-06-21 1974-01-29 Xerox Corp Image compensation method and apparatus for electrophotographic devices
DE2520810A1 (de) * 1974-05-10 1975-11-20 Ricoh Kk Verfahren und einrichtung zum anlegen einer vorspannung an eine entwicklungselektrode einer elektrophotographischen einrichtung

Also Published As

Publication number Publication date
JPS5290942A (en) 1977-07-30
DE2702920C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-10-01
US4734740A (en) 1988-03-29

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition