JPS56123873A - Ink jet recording device - Google Patents

Ink jet recording device

Info

Publication number
JPS56123873A
JPS56123873A JP2865380A JP2865380A JPS56123873A JP S56123873 A JPS56123873 A JP S56123873A JP 2865380 A JP2865380 A JP 2865380A JP 2865380 A JP2865380 A JP 2865380A JP S56123873 A JPS56123873 A JP S56123873A
Authority
JP
Japan
Prior art keywords
ink
nozzle
piezoelectric material
pressure chamber
external
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
JP2865380A
Other languages
Japanese (ja)
Other versions
JPH0369710B2 (en
Inventor
Shunichi Uzawa
Shigeyuki Matsumoto
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2865380A priority Critical patent/JPS56123873A/en
Publication of JPS56123873A publication Critical patent/JPS56123873A/en
Publication of JPH0369710B2 publication Critical patent/JPH0369710B2/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
    • B41J2/135—Nozzles
    • B41J2/14—Structure thereof only for on-demand ink jet heads
    • B41J2/14201—Structure of print heads with piezoelectric elements
    • B41J2/1429—Structure of print heads with piezoelectric elements of tubular type
    • 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
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
    • B41J2/04541—Specific driving circuit
    • 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
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
    • B41J2/04581—Control methods or devices therefor, e.g. driver circuits, control circuits controlling heads based on piezoelectric elements

Landscapes

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

Abstract

PURPOSE:To optionally control the spattering direction of an ink drop discharged from a nozzle by controlling a direction to which the ink inside a pressure chamber is pressurized. CONSTITUTION:A drive element 101 made of a cylindrical piezoelectric material is fixed encompassing a nozzle 102 and external electrodes 104-1, 104-2 opposed to an internal electrode 103 are split in halves along an ink discharge-shaft direction. A drive signal is independently input from an input terminal 105 for the internal electrode 103 and input terminals 106-1, 106-2 provided on the external terminals 104-1. 104-2, so that an independent electric field is generated on a semicylindrical piezoelectric material parts 107-1, 107-2 under each external electrode. Thus an asymmetrical pressure distribution is generated inside a plane which is vertical with a head center shaft OP for a pressure chamber 108, bringing about asymmetry in an ink flow velocity in the neighborhood of an orifice 109. Consequently, it is possible to provide an angle with the afore mentioned central shaft OP in the spattering direction of the drop inside the afore-mentioned plane.
JP2865380A 1980-03-06 1980-03-06 Ink jet recording device Granted JPS56123873A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2865380A JPS56123873A (en) 1980-03-06 1980-03-06 Ink jet recording device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2865380A JPS56123873A (en) 1980-03-06 1980-03-06 Ink jet recording device

Publications (2)

Publication Number Publication Date
JPS56123873A true JPS56123873A (en) 1981-09-29
JPH0369710B2 JPH0369710B2 (en) 1991-11-05

Family

ID=12254460

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2865380A Granted JPS56123873A (en) 1980-03-06 1980-03-06 Ink jet recording device

Country Status (1)

Country Link
JP (1) JPS56123873A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5991066A (en) * 1982-11-17 1984-05-25 Furuno Electric Co Ltd Ink jet recording pen

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5278440A (en) * 1975-10-28 1977-07-01 Xerox Corp Method of and apparatus for jetting ink
JPS548747U (en) * 1977-06-22 1979-01-20
JPS5412838A (en) * 1977-06-30 1979-01-30 Ricoh Co Ltd Liquid jet device
JPS54131934A (en) * 1978-04-04 1979-10-13 Canon Inc Recording head
JPS553916A (en) * 1978-06-22 1980-01-12 Canon Inc Recorder

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5278440A (en) * 1975-10-28 1977-07-01 Xerox Corp Method of and apparatus for jetting ink
JPS548747U (en) * 1977-06-22 1979-01-20
JPS5412838A (en) * 1977-06-30 1979-01-30 Ricoh Co Ltd Liquid jet device
JPS54131934A (en) * 1978-04-04 1979-10-13 Canon Inc Recording head
JPS553916A (en) * 1978-06-22 1980-01-12 Canon Inc Recorder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5991066A (en) * 1982-11-17 1984-05-25 Furuno Electric Co Ltd Ink jet recording pen

Also Published As

Publication number Publication date
JPH0369710B2 (en) 1991-11-05

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