JPS57205755A - Direct recording system - Google Patents

Direct recording system

Info

Publication number
JPS57205755A
JPS57205755A JP9062181A JP9062181A JPS57205755A JP S57205755 A JPS57205755 A JP S57205755A JP 9062181 A JP9062181 A JP 9062181A JP 9062181 A JP9062181 A JP 9062181A JP S57205755 A JPS57205755 A JP S57205755A
Authority
JP
Japan
Prior art keywords
electrode
voltage
stylus
recording
voltages
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.)
Pending
Application number
JP9062181A
Other languages
Japanese (ja)
Inventor
Mikio Amaya
Tetsuo Nakajima
Junzo Nakajima
Masakatsu Horie
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP9062181A priority Critical patent/JPS57205755A/en
Publication of JPS57205755A publication Critical patent/JPS57205755A/en
Pending 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
    • G03G15/34—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 powder image is formed directly on the recording material, e.g. by using a liquid toner
    • G03G15/344—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 powder image is formed directly on the recording material, e.g. by using a liquid toner by selectively transferring the powder to the recording medium, e.g. by using a LED array
    • G03G15/348—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 powder image is formed directly on the recording material, e.g. by using a liquid toner by selectively transferring the powder to the recording medium, e.g. by using a LED array using a stylus or a multi-styli array

Landscapes

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

Abstract

PURPOSE:To obtain sufficient printing density by setting voltages in such a way as to have the value sufficient for inducing electric discharge in the micro spacing between a recording medium and a recording electrode and to discharge no electricity when it is applied to only one of the electrodes. CONSTITUTION:When, for example, a positive voltage is applied to a counter electrode 7, a negative signal voltage of the polarity reversed from that electrode is applied to a recording electrode stylus 2. These voltages are so set that the sum of the voltage applied to the stylus 2 and the voltage applied to the electrode 7 is the value sufficient for generating electric discharge in a micro clearance D but no electric discharge is generated with the voltage of only one of the stylus 2 and the electrode 7. If such a voltage system is incorporated, good recording is accomplished only when the voltages of mutually reversed polarities are applied to the stylus 2 and the electrode 7, and no toners are attracted despite the application of the voltage upon only one of these. It is therefore possible to obtain sufficiently sharp printing density.
JP9062181A 1981-06-12 1981-06-12 Direct recording system Pending JPS57205755A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9062181A JPS57205755A (en) 1981-06-12 1981-06-12 Direct recording system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9062181A JPS57205755A (en) 1981-06-12 1981-06-12 Direct recording system

Publications (1)

Publication Number Publication Date
JPS57205755A true JPS57205755A (en) 1982-12-16

Family

ID=14003554

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9062181A Pending JPS57205755A (en) 1981-06-12 1981-06-12 Direct recording system

Country Status (1)

Country Link
JP (1) JPS57205755A (en)

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