JPS5734976A - Method for driving ink jet head - Google Patents

Method for driving ink jet head

Info

Publication number
JPS5734976A
JPS5734976A JP11065280A JP11065280A JPS5734976A JP S5734976 A JPS5734976 A JP S5734976A JP 11065280 A JP11065280 A JP 11065280A JP 11065280 A JP11065280 A JP 11065280A JP S5734976 A JPS5734976 A JP S5734976A
Authority
JP
Japan
Prior art keywords
pulse
piezo
ink
output
electric element
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
JP11065280A
Other languages
Japanese (ja)
Other versions
JPS6233074B2 (en
Inventor
Hiroshi Ishii
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
Epson Corp
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
Epson 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 Seiko Epson Corp, Suwa Seikosha KK, Epson Corp filed Critical Seiko Epson Corp
Priority to JP11065280A priority Critical patent/JPS5734976A/en
Priority to US06/291,904 priority patent/US4409596A/en
Publication of JPS5734976A publication Critical patent/JPS5734976A/en
Publication of JPS6233074B2 publication Critical patent/JPS6233074B2/ja
Granted 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
    • B41J2/21—Ink jet for multi-colour printing
    • B41J2/2121—Ink jet for multi-colour printing characterised by dot size, e.g. combinations of printed dots of different diameter
    • B41J2/2128—Ink jet for multi-colour printing characterised by dot size, e.g. combinations of printed dots of different diameter by means of energy modulation

Landscapes

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

Abstract

PURPOSE:To enhance drive frequency without lowering type quality, in an on- demand type ink jet head, by applying plural kinds of drive pulses with different voltage wave forms to an piezo-electric element in a condition synchronous to a type timing signal. CONSTITUTION:By output from an encoder 22 detecting a rotary angle of a carriage moving motor 21, an MPU25 reads out a data from a character generator 26 to sent said data to an I/O port 27. When output of the I/O port 27 is sent to a driver 28A, a pulse 18 for driving ink injection is applied to a piezo-electric element. On the other hand, when an ink is not injected, output of a mono-multivibrator 24 is always applied to a driver 28B and a pulse 19 is added to the piezo-electric element. Because the pulse 19 is slow in raising-up of displacement as compared to the pulse 18, the ink is displaced but not injected. Further, because a drive initial condition after the pulse 19 is applied comes to a similar condition after the pulse 18 is applied, a constant drive initial condition is always obtained.
JP11065280A 1980-08-12 1980-08-12 Method for driving ink jet head Granted JPS5734976A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP11065280A JPS5734976A (en) 1980-08-12 1980-08-12 Method for driving ink jet head
US06/291,904 US4409596A (en) 1980-08-12 1981-08-11 Method and apparatus for driving an ink jet printer head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11065280A JPS5734976A (en) 1980-08-12 1980-08-12 Method for driving ink jet head

Publications (2)

Publication Number Publication Date
JPS5734976A true JPS5734976A (en) 1982-02-25
JPS6233074B2 JPS6233074B2 (en) 1987-07-18

Family

ID=14541088

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11065280A Granted JPS5734976A (en) 1980-08-12 1980-08-12 Method for driving ink jet head

Country Status (1)

Country Link
JP (1) JPS5734976A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58168572A (en) * 1982-03-31 1983-10-04 Fujitsu Ltd Liquid droplet spouting method
US6761423B2 (en) 2000-02-24 2004-07-13 Fuji Photo Film Co., Ltd Ink-jet printing apparatus that vibrates ink in a pressure chamber without ejecting it
KR100563407B1 (en) * 2002-07-31 2006-03-23 세이코 엡슨 가부시키가이샤 Driving device for liquid drop ejecting head, device for forming membrane, method for driving liquid drop ejecting head, method for forming membrane, electronic apparatus, and method for manufacturing device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58168572A (en) * 1982-03-31 1983-10-04 Fujitsu Ltd Liquid droplet spouting method
JPH0419026B2 (en) * 1982-03-31 1992-03-30 Fujitsu Ltd
US6761423B2 (en) 2000-02-24 2004-07-13 Fuji Photo Film Co., Ltd Ink-jet printing apparatus that vibrates ink in a pressure chamber without ejecting it
KR100563407B1 (en) * 2002-07-31 2006-03-23 세이코 엡슨 가부시키가이샤 Driving device for liquid drop ejecting head, device for forming membrane, method for driving liquid drop ejecting head, method for forming membrane, electronic apparatus, and method for manufacturing device

Also Published As

Publication number Publication date
JPS6233074B2 (en) 1987-07-18

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