EP3693172A3 - Print head control circuit and liquid discharge apparatus - Google Patents

Print head control circuit and liquid discharge apparatus Download PDF

Info

Publication number
EP3693172A3
EP3693172A3 EP19198477.2A EP19198477A EP3693172A3 EP 3693172 A3 EP3693172 A3 EP 3693172A3 EP 19198477 A EP19198477 A EP 19198477A EP 3693172 A3 EP3693172 A3 EP 3693172A3
Authority
EP
European Patent Office
Prior art keywords
wiring group
diagnostic signal
diagnostic
drive signal
signal
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
EP19198477.2A
Other languages
German (de)
French (fr)
Other versions
EP3693172A2 (en
EP3693172B1 (en
Inventor
Tomonori Yamada
Toru Matsuyama
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
Original Assignee
Seiko 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 filed Critical Seiko Epson Corp
Publication of EP3693172A2 publication Critical patent/EP3693172A2/en
Publication of EP3693172A3 publication Critical patent/EP3693172A3/en
Application granted granted Critical
Publication of EP3693172B1 publication Critical patent/EP3693172B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B41J2/015—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
    • 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
    • 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
    • B41J2/0451—Control methods or devices therefor, e.g. driver circuits, control circuits for detecting failure, e.g. clogging, malfunctioning actuator
    • 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
    • B41J2/04563—Control methods or devices therefor, e.g. driver circuits, control circuits detecting head temperature; Ink temperature
    • 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
    • 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
    • B41J2/04588—Control methods or devices therefor, e.g. driver circuits, control circuits using a specific waveform
    • 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
    • B41J2/04593—Dot-size modulation by changing the size of the drop
    • 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
    • B41J2002/14354—Sensor in each pressure chamber

Landscapes

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

Abstract

Provided is a print head control circuit in which a first diagnostic signal wiring group includes first diagnostic signal propagation wiring that propagates a first diagnostic signal, second diagnostic signal propagation wiring that propagates a second diagnostic signal, and third diagnostic signal propagation wiring that propagates a third diagnostic signal, a second diagnostic signal wiring group includes fourth diagnostic signal propagation wiring that propagates a fourth diagnostic signal, and fifth diagnostic signal propagation wiring that propagates a fifth diagnostic signal, the first drive signal wiring group, the second drive signal wiring group, the third drive signal wiring group, and the fourth drive signal wiring group propagate a first drive signal and a second drive signal that cause liquid to be discharged, in a first cable, the first diagnostic signal wiring group is provided between the first drive signal wiring group and the second drive signal wiring group, and in a second cable, the second diagnostic signal wiring group is provided between the third drive signal wiring group and the fourth drive signal wiring group.
EP19198477.2A 2018-09-19 2019-09-19 Print head control circuit Active EP3693172B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018174366 2018-09-19
JP2019036734A JP7272013B2 (en) 2018-09-19 2019-02-28 Print head control circuit and liquid ejection device

Publications (3)

Publication Number Publication Date
EP3693172A2 EP3693172A2 (en) 2020-08-12
EP3693172A3 true EP3693172A3 (en) 2020-09-09
EP3693172B1 EP3693172B1 (en) 2022-10-12

Family

ID=69995287

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19198477.2A Active EP3693172B1 (en) 2018-09-19 2019-09-19 Print head control circuit

Country Status (3)

Country Link
EP (1) EP3693172B1 (en)
JP (1) JP7272013B2 (en)
CN (1) CN211416643U (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000190488A (en) * 1998-12-25 2000-07-11 Seiko Epson Corp Ink-jet recording apparatus
US20140247299A1 (en) * 2013-03-01 2014-09-04 Canon Kabushiki Kaisha Printhead board, printhead, and printing apparatus
US20170173950A1 (en) * 2015-12-22 2017-06-22 Seiko Epson Corporation Liquid discharge apparatus and flexible flat cable

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3513986B2 (en) 1995-06-30 2004-03-31 セイコーエプソン株式会社 Driving apparatus and driving method for inkjet recording head
JP2002321372A (en) * 2001-04-26 2002-11-05 Brother Ind Ltd Recording device and flexible wiring substrate used for it
CN1332812C (en) * 2004-02-05 2007-08-22 国际联合科技股份有限公司 Identification circuit of ink jet printing head and its method
JP2006181985A (en) * 2004-12-28 2006-07-13 Seiko Epson Corp Liquid ejection device
KR102251817B1 (en) 2008-10-24 2021-05-12 가부시키가이샤 한도오따이 에네루기 켄큐쇼 Semiconductor device and method for manufacturing the same
JP6686425B2 (en) 2015-12-25 2020-04-22 セイコーエプソン株式会社 Head unit control circuit
JP6756123B2 (en) * 2016-03-15 2020-09-16 セイコーエプソン株式会社 Liquid discharge head and liquid discharge device
JP2018174366A (en) 2017-03-31 2018-11-08 富士通株式会社 Communication device and communication method
JP7139672B2 (en) * 2018-04-26 2022-09-21 ブラザー工業株式会社 Recording device and continuity judgment method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000190488A (en) * 1998-12-25 2000-07-11 Seiko Epson Corp Ink-jet recording apparatus
US20140247299A1 (en) * 2013-03-01 2014-09-04 Canon Kabushiki Kaisha Printhead board, printhead, and printing apparatus
US20170173950A1 (en) * 2015-12-22 2017-06-22 Seiko Epson Corporation Liquid discharge apparatus and flexible flat cable

Also Published As

Publication number Publication date
EP3693172A2 (en) 2020-08-12
JP2020049931A (en) 2020-04-02
JP7272013B2 (en) 2023-05-12
EP3693172B1 (en) 2022-10-12
CN211416643U (en) 2020-09-04

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