JPS5497026A - Ink jet printer - Google Patents

Ink jet printer

Info

Publication number
JPS5497026A
JPS5497026A JP346378A JP346378A JPS5497026A JP S5497026 A JPS5497026 A JP S5497026A JP 346378 A JP346378 A JP 346378A JP 346378 A JP346378 A JP 346378A JP S5497026 A JPS5497026 A JP S5497026A
Authority
JP
Japan
Prior art keywords
speed
recording member
speed variation
injecting
fed
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
JP346378A
Other languages
Japanese (ja)
Inventor
Takao Fukazawa
Takuo Isayama
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP346378A priority Critical patent/JPS5497026A/en
Publication of JPS5497026A publication Critical patent/JPS5497026A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/07—Ink jet characterised by jet control
    • B41J2/13—Ink jet characterised by jet control for inclination of printed pattern

Landscapes

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

Abstract

PURPOSE:To compensate the shift of the printing point upon the speed variation of a recording member thereby to improve the image quality by moving an injecting head to and from the recording member so that the injecting speed of ink droplets may be varied. CONSTITUTION:The speed of the surface of a recording member is detected by a speed detector 2 to generate detecting signals. These signals are fed to a speed variation detecting circuit 3 to calculate the speed variation so that the speed variation detecting signals are generated only when there is variations in the speed. The speed variation detecting signals are fed to a pulse circuit 4 so that a pulse voltage having an intensity according to the intensity of the speed variation detecting signals is fed in synchronism with the ink injection. When the tangential speed of the recording member 1 is varied from Vs to Vs + Vs, the injecting speed of ink droplets is changed from V to V + V by moving an injecting head 6 to the recording member 1 with the use of the electrostrictive vibrator 7, thus compensating the shift of the printing point.
JP346378A 1978-01-17 1978-01-17 Ink jet printer Pending JPS5497026A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP346378A JPS5497026A (en) 1978-01-17 1978-01-17 Ink jet printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP346378A JPS5497026A (en) 1978-01-17 1978-01-17 Ink jet printer

Publications (1)

Publication Number Publication Date
JPS5497026A true JPS5497026A (en) 1979-07-31

Family

ID=11558012

Family Applications (1)

Application Number Title Priority Date Filing Date
JP346378A Pending JPS5497026A (en) 1978-01-17 1978-01-17 Ink jet printer

Country Status (1)

Country Link
JP (1) JPS5497026A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5444468A (en) * 1990-11-29 1995-08-22 Canon Kabushiki Kaisha Image forming apparatus with means for correcting image density unevenness

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5444468A (en) * 1990-11-29 1995-08-22 Canon Kabushiki Kaisha Image forming apparatus with means for correcting image density unevenness

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