JPS5654585A - Ink jet printer - Google Patents

Ink jet printer

Info

Publication number
JPS5654585A
JPS5654585A JP13002579A JP13002579A JPS5654585A JP S5654585 A JPS5654585 A JP S5654585A JP 13002579 A JP13002579 A JP 13002579A JP 13002579 A JP13002579 A JP 13002579A JP S5654585 A JPS5654585 A JP S5654585A
Authority
JP
Japan
Prior art keywords
print
signals
charge
dots
dot
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
JP13002579A
Other languages
Japanese (ja)
Inventor
Shoichi Ito
Shinji Matsuoka
Hideyuki Omori
Mitsuhiro Nakagaki
Hirokore Ishikawa
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP13002579A priority Critical patent/JPS5654585A/en
Publication of JPS5654585A publication Critical patent/JPS5654585A/en
Pending legal-status Critical Current

Links

Landscapes

  • Particle Formation And Scattering Control In Inkjet Printers (AREA)

Abstract

PURPOSE: To prevent the quality of print from deteriorating by making even intervals of dots with regard to a charge control system ink jet printer, by generating charge signals that correspond to dot positions of all dots at every scanning position.
CONSTITUTION: Charge signals that correspond to dot positions of all dots at every scanning position are generated and written in storage circuit 13 by writing circuit 14 while the printer is not in print operation. Synchronizing with dot selection in the scanning direction of character pattern generator 12, charge scanning signals are read out of storage circuit 13 and converted by D-A converter 19 into analog signals, which are converted by video amplifier 20 into desired voltages before applied to charging electrodes. The charge signals written in storage circuit 13 are generated in view of influences of the size of print characters and air resistance when ink particles fly so that dot intervals will be even. Consequently, print of good quality can be attained.
COPYRIGHT: (C)1981,JPO&Japio
JP13002579A 1979-10-11 1979-10-11 Ink jet printer Pending JPS5654585A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13002579A JPS5654585A (en) 1979-10-11 1979-10-11 Ink jet printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13002579A JPS5654585A (en) 1979-10-11 1979-10-11 Ink jet printer

Publications (1)

Publication Number Publication Date
JPS5654585A true JPS5654585A (en) 1981-05-14

Family

ID=15024291

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13002579A Pending JPS5654585A (en) 1979-10-11 1979-10-11 Ink jet printer

Country Status (1)

Country Link
JP (1) JPS5654585A (en)

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