JPS5590970A - Electrostatic recording method - Google Patents

Electrostatic recording method

Info

Publication number
JPS5590970A
JPS5590970A JP16162078A JP16162078A JPS5590970A JP S5590970 A JPS5590970 A JP S5590970A JP 16162078 A JP16162078 A JP 16162078A JP 16162078 A JP16162078 A JP 16162078A JP S5590970 A JPS5590970 A JP S5590970A
Authority
JP
Japan
Prior art keywords
high humidity
negative
voltage
electrostatic recording
control electrode
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
JP16162078A
Other languages
Japanese (ja)
Other versions
JPS6332633B2 (en
Inventor
Masaru Onishi
Shuji Iwata
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP16162078A priority Critical patent/JPS5590970A/en
Priority to US06/081,488 priority patent/US4366491A/en
Publication of JPS5590970A publication Critical patent/JPS5590970A/en
Publication of JPS6332633B2 publication Critical patent/JPS6332633B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Dot-Matrix Printers And Others (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Electrophotography Using Other Than Carlson'S Method (AREA)

Abstract

PURPOSE:To perform writing twice and perfectly eliminate the decrease in recording density in high-temperature and high humidity environment by applying the 1-cycle control voltage of forward polarity and opposite polarity to the control electrode of the electrostatic recording head for one-side controlling. CONSTITUTION:Negative voltage is applied to the recording stylus 1 of an electrostatic recording head 3 for one-side controlling and control voltage pulses of mutually opposite polarities are applied to a control electrode 2. More specifically, the one- cycle control voltage of forward polarity and opposite polarity is applied to the electrode 2 from the pulse generator consisting of npn and pnp transistors 10, 11 and negative resistance 12 and positive and negative power sources 13, 14. Under high humidity, the negative charge applied from the control electrode 2 attenuates rapidly but if printing is done by the inversion voltage, it turns out that writing is done twice, thus the decrease in the recording density under high humidity may be prevented.
JP16162078A 1978-11-21 1978-12-29 Electrostatic recording method Granted JPS5590970A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP16162078A JPS5590970A (en) 1978-12-29 1978-12-29 Electrostatic recording method
US06/081,488 US4366491A (en) 1978-11-21 1979-10-03 Electrographic imaging system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16162078A JPS5590970A (en) 1978-12-29 1978-12-29 Electrostatic recording method

Publications (2)

Publication Number Publication Date
JPS5590970A true JPS5590970A (en) 1980-07-10
JPS6332633B2 JPS6332633B2 (en) 1988-06-30

Family

ID=15738630

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16162078A Granted JPS5590970A (en) 1978-11-21 1978-12-29 Electrostatic recording method

Country Status (1)

Country Link
JP (1) JPS5590970A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6133712A (en) * 1984-07-26 1986-02-17 Furukawa Electric Co Ltd:The Continuous extrusion method of composite wire

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6133712A (en) * 1984-07-26 1986-02-17 Furukawa Electric Co Ltd:The Continuous extrusion method of composite wire

Also Published As

Publication number Publication date
JPS6332633B2 (en) 1988-06-30

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