JPS5648653A - Electrostatic printing apparatus - Google Patents

Electrostatic printing apparatus

Info

Publication number
JPS5648653A
JPS5648653A JP12609079A JP12609079A JPS5648653A JP S5648653 A JPS5648653 A JP S5648653A JP 12609079 A JP12609079 A JP 12609079A JP 12609079 A JP12609079 A JP 12609079A JP S5648653 A JPS5648653 A JP S5648653A
Authority
JP
Japan
Prior art keywords
electrodes
electrode
writing
voltage
static charge
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
JP12609079A
Other languages
Japanese (ja)
Other versions
JPS639228B2 (en
Inventor
Mitsuhiro Goto
Kenji Aoki
Sadatsugu Miura
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.)
Seiko Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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 Seiko Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP12609079A priority Critical patent/JPS5648653A/en
Publication of JPS5648653A publication Critical patent/JPS5648653A/en
Publication of JPS639228B2 publication Critical patent/JPS639228B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Electrophotography Using Other Than Carlson'S Method (AREA)
  • Dot-Matrix Printers And Others (AREA)

Abstract

PURPOSE:To obtain a printer of high resolution, high speed, and low cost, by arranging between a writing electrode part, and a backside electrode and applying a fixed voltage to control electrodes and the backside electrode, and a writing signal voltage to the writing electrode part. CONSTITUTION:Writing electrode part 51 has linear electrodes 52 and moves cyclically, and electrostatic recording material 54 is arranged between part 51 and lower electrode 53, and dielectric breakdown voltage is applied between electrodes 52 and electrode 53. Aerial discharge is caused near the shortest gap between them, the discharge space extends in the longitudinal direction of writing electrodes 51, and the static charge left on material 54 has a long distribution along electrodes 51. In order to prevent this longitudinal extension, voltage same in polarity as electrodes 51 is biased to control electrodes 55, and an electric field between electrodes 51 and electrode 53 is converged, thus permitting a static charge spot to occur on material 54, and a dotted image to be obtained by toner development.
JP12609079A 1979-09-28 1979-09-28 Electrostatic printing apparatus Granted JPS5648653A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12609079A JPS5648653A (en) 1979-09-28 1979-09-28 Electrostatic printing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12609079A JPS5648653A (en) 1979-09-28 1979-09-28 Electrostatic printing apparatus

Publications (2)

Publication Number Publication Date
JPS5648653A true JPS5648653A (en) 1981-05-01
JPS639228B2 JPS639228B2 (en) 1988-02-26

Family

ID=14926347

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12609079A Granted JPS5648653A (en) 1979-09-28 1979-09-28 Electrostatic printing apparatus

Country Status (1)

Country Link
JP (1) JPS5648653A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4826144A (en) * 1971-08-07 1973-04-05
JPS5265438A (en) * 1975-11-26 1977-05-30 Yokogawa Hokushin Electric Corp Two color electrostatic recording apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4826144A (en) * 1971-08-07 1973-04-05
JPS5265438A (en) * 1975-11-26 1977-05-30 Yokogawa Hokushin Electric Corp Two color electrostatic recording apparatus

Also Published As

Publication number Publication date
JPS639228B2 (en) 1988-02-26

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