CA1194092A - Electrostatic field control method and apparatus - Google Patents

Electrostatic field control method and apparatus

Info

Publication number
CA1194092A
CA1194092A CA000431351A CA431351A CA1194092A CA 1194092 A CA1194092 A CA 1194092A CA 000431351 A CA000431351 A CA 000431351A CA 431351 A CA431351 A CA 431351A CA 1194092 A CA1194092 A CA 1194092A
Authority
CA
Canada
Prior art keywords
photoconductive surface
charge
signal
exposed
corona
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
CA000431351A
Other languages
English (en)
French (fr)
Inventor
Harold J. Weber
Donald Richardson
John N. Poulakis
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.)
Coulter Systems Corp
Original Assignee
Coulter Systems 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 Coulter Systems Corp filed Critical Coulter Systems Corp
Application granted granted Critical
Publication of CA1194092A publication Critical patent/CA1194092A/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
    • G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
    • G03G15/5033—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control by measuring the photoconductor characteristics, e.g. temperature, or the characteristics of an image on the photoconductor
    • G03G15/5037—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control by measuring the photoconductor characteristics, e.g. temperature, or the characteristics of an image on the photoconductor the characteristics being an electrical parameter, e.g. voltage
    • 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
    • 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
    • G03G15/0291—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices corona discharge devices, e.g. wires, pointed electrodes, means for cleaning the corona discharge device

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Control Or Security For Electrophotography (AREA)
CA000431351A 1982-06-28 1983-06-28 Electrostatic field control method and apparatus Expired CA1194092A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US39317382A 1982-06-28 1982-06-28
US393,173 1982-06-28

Publications (1)

Publication Number Publication Date
CA1194092A true CA1194092A (en) 1985-09-24

Family

ID=23553583

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000431351A Expired CA1194092A (en) 1982-06-28 1983-06-28 Electrostatic field control method and apparatus

Country Status (6)

Country Link
EP (1) EP0098509A3 (da)
JP (1) JPS5946656A (da)
AU (1) AU1632783A (da)
CA (1) CA1194092A (da)
DK (1) DK295383A (da)
IL (1) IL69055A0 (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4624548A (en) * 1983-07-22 1986-11-25 Canon Kabushiki Kaisha Image density control device
DE3409701A1 (de) * 1984-03-16 1985-09-19 Hoechst Ag, 6230 Frankfurt Verfahren und anordnung zum einhalten eines vorgegebenen potentialverhaeltnisses bei der belichtung von elektrostatisch aufgeladenen lichtempfindlichen schichten
DE3440197A1 (de) * 1984-11-03 1986-05-07 Hoechst Ag, 6230 Frankfurt Verfahren fuer die kontinuierliche, kontaktlose schichtdickenbestimmung sowie anordnung zur durchfuehrung des verfahrens
DE3571710D1 (en) * 1984-11-06 1989-08-24 Toshiba Kk Image forming apparatus with image forming area selection
JPS6236681A (ja) * 1985-08-12 1987-02-17 Toshiba Corp 画像形成装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3887877A (en) * 1970-08-24 1975-06-03 Robert E Vosteen Feedback electrostatic voltmeter
US3788739A (en) * 1972-06-21 1974-01-29 Xerox Corp Image compensation method and apparatus for electrophotographic devices
US4248524A (en) * 1977-07-11 1981-02-03 Canon Kabushiki Kaisha Method of and apparatus for stabilizing electrophotographic images
GB2012058B (en) * 1977-12-21 1982-06-09 Canon Kk Surface potentiometer
JPS5518667A (en) * 1978-07-27 1980-02-08 Minolta Camera Co Ltd Stabilization method of image density
JPS5738460A (en) * 1980-08-20 1982-03-03 Ricoh Co Ltd Electrifying device of copier

Also Published As

Publication number Publication date
EP0098509A3 (en) 1984-09-05
IL69055A0 (en) 1983-10-31
AU1632783A (en) 1984-01-05
EP0098509A2 (en) 1984-01-18
JPS5946656A (ja) 1984-03-16
DK295383D0 (da) 1983-06-27
DK295383A (da) 1983-12-29

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Legal Events

Date Code Title Description
MKEC Expiry (correction)
MKEX Expiry