FR2422987A1 - DUAL IMAGE TRANSFER ELECTROPHOTOGRAPHIC DEVICE - Google Patents

DUAL IMAGE TRANSFER ELECTROPHOTOGRAPHIC DEVICE

Info

Publication number
FR2422987A1
FR2422987A1 FR7829617A FR7829617A FR2422987A1 FR 2422987 A1 FR2422987 A1 FR 2422987A1 FR 7829617 A FR7829617 A FR 7829617A FR 7829617 A FR7829617 A FR 7829617A FR 2422987 A1 FR2422987 A1 FR 2422987A1
Authority
FR
France
Prior art keywords
image transfer
electrophotographic device
dual image
charge transfer
transfer electrophotographic
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
FR7829617A
Other languages
French (fr)
Other versions
FR2422987B1 (en
Inventor
Richard A Fotland
Jeffrey J Carrish
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.)
Dennison Manufacturing Co
Original Assignee
Dennison Manufacturing Co
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 US05/873,747 external-priority patent/US4195927A/en
Priority claimed from US05/925,667 external-priority patent/US4160257A/en
Application filed by Dennison Manufacturing Co filed Critical Dennison Manufacturing Co
Publication of FR2422987A1 publication Critical patent/FR2422987A1/en
Application granted granted Critical
Publication of FR2422987B1 publication Critical patent/FR2422987B1/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
    • G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
    • 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
    • G03G15/18—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a charge pattern
    • 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
    • G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
    • G03G15/32—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the charge pattern is formed dotwise, e.g. by a thermal head
    • G03G15/321—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the charge pattern is formed dotwise, e.g. by a thermal head by charge transfer onto the recording material in accordance with the image

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Electrophotography Using Other Than Carlson'S Method (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Combination Of More Than One Step In Electrophotography (AREA)
  • Cleaning In Electrography (AREA)

Abstract

L'invention est relative à l'impression électrophotographique et à la photocopie par double transfert de charge à grande vitesse en évitant un transfert disruptif de charge entre un photocopieur et un diélectrique par l'introduction d'une couche semi-conductrice. Des moyens de production d'ions par claquage aérien pour l'utilisation dans des systèmes électrostatiques sont présentés ainsi qu'un procédé d'imprégnation d'un conducteur anodisé avec une résine organique utile pour l'obtention de bonnes propriétés diélectriques.The invention relates to electrophotographic printing and high speed double charge transfer photocopying by avoiding disruptive charge transfer between a photocopier and a dielectric by the introduction of a semiconductor layer. Means for producing ions by air breakdown for use in electrostatic systems are presented as well as a method of impregnating an anodized conductor with an organic resin useful for obtaining good dielectric properties.

FR7829617A 1977-10-25 1978-10-18 DUAL IMAGE TRANSFER ELECTROPHOTOGRAPHIC DEVICE Granted FR2422987A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US84491377A 1977-10-25 1977-10-25
US05/873,747 US4195927A (en) 1978-01-30 1978-01-30 Double transfer electrophotography
US05/925,667 US4160257A (en) 1978-07-17 1978-07-17 Three electrode system in the generation of electrostatic images
US93972978A 1978-09-05 1978-09-05

Publications (2)

Publication Number Publication Date
FR2422987A1 true FR2422987A1 (en) 1979-11-09
FR2422987B1 FR2422987B1 (en) 1984-03-30

Family

ID=27505897

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7829617A Granted FR2422987A1 (en) 1977-10-25 1978-10-18 DUAL IMAGE TRANSFER ELECTROPHOTOGRAPHIC DEVICE

Country Status (14)

Country Link
JP (2) JPS5478134A (en)
AR (1) AR228339A1 (en)
AU (1) AU532523B2 (en)
BR (1) BR7807037A (en)
CA (1) CA1120992A (en)
CH (3) CH632856A5 (en)
DE (1) DE2846474A1 (en)
DK (1) DK473478A (en)
ES (1) ES474487A1 (en)
FR (1) FR2422987A1 (en)
GB (1) GB2007157B (en)
MX (1) MX147901A (en)
NL (1) NL7810638A (en)
SE (1) SE439698B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ198031A (en) * 1980-08-21 1988-11-29 Dennison Mfg Co Electrostatic printer: charged particles extracted from glow discharge
JPS60176443U (en) * 1984-04-28 1985-11-22 増田　閃一 electric field device
JPH0665496B2 (en) * 1984-11-07 1994-08-24 キヤノン株式会社 Electrostatic recording method and head
JPS63239471A (en) * 1988-02-22 1988-10-05 Minolta Camera Co Ltd Corona discharging device
US5239317A (en) * 1991-02-20 1993-08-24 Kabushiki Kaisha Toshiba Apparatus for generating ions in solid ion recording head with improved stability
JPH06135048A (en) * 1992-10-22 1994-05-17 Fuji Xerox Co Ltd Electrostatic recording head
JPH10151102A (en) * 1996-11-25 1998-06-09 Setsuo Tanaka Chopping-block washing container
DE19957644C2 (en) * 1999-11-30 2002-09-12 Axiva Gmbh Corona roller with improved impregnation
CN110506237B (en) 2017-04-27 2022-08-19 惠普发展公司，有限责任合伙企业 Image forming apparatus and method for masking image forming pattern on drum

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1051870B (en) * 1957-08-14 1959-03-05 Siemag Feinmech Werke Gmbh Method and device for the production of charge images on electrically non-conductive charge image carriers made of paper or similar material
US3701996A (en) * 1970-12-02 1972-10-31 United Aircraft Corp Transfer electrostatic printing system
DE2100393A1 (en) * 1971-01-07 1972-07-20 Philips Patentverwaltung Electrode arrangement for the transmission of information during electrostatic printing
BE795932A (en) * 1972-03-03 1973-06-18 Cellophane Sa IMPROVEMENT OF PHOTOELECTROSTATIC REPRODUCTION PROCESSES BY TRANSFER OF CHARGES
FR2254052B1 (en) * 1973-12-05 1978-03-03 Cellophane Sa

Also Published As

Publication number Publication date
JPS5478134A (en) 1979-06-22
JPH0544036B2 (en) 1993-07-05
SE7811082L (en) 1979-04-26
CH636456A5 (en) 1983-05-31
FR2422987B1 (en) 1984-03-30
MX147901A (en) 1983-01-31
JPH03206470A (en) 1991-09-09
DE2846474C2 (en) 1990-08-09
AU4102678A (en) 1980-05-01
DE2846474A1 (en) 1979-04-26
DK473478A (en) 1979-04-26
AR228339A1 (en) 1983-02-28
CA1120992A (en) 1982-03-30
CH636455A5 (en) 1983-05-31
NL7810638A (en) 1979-04-27
CH632856A5 (en) 1982-10-29
GB2007157B (en) 1982-10-27
GB2007157A (en) 1979-05-16
AU532523B2 (en) 1983-10-06
JPH0262862B2 (en) 1990-12-26
BR7807037A (en) 1979-05-15
SE439698B (en) 1985-06-24
ES474487A1 (en) 1979-11-01

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Legal Events

Date Code Title Description
ST Notification of lapse