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DE602004031888D1 - METHOD FOR AT LEAST PARTIALLY COMPENSATING ERRORS IN THE INK POSITIONING DUE TO INCORRECT TURNING SHIFT - Google Patents

METHOD FOR AT LEAST PARTIALLY COMPENSATING ERRORS IN THE INK POSITIONING DUE TO INCORRECT TURNING SHIFT

Info

Publication number
DE602004031888D1
DE602004031888D1 DE602004031888T DE602004031888T DE602004031888D1 DE 602004031888 D1 DE602004031888 D1 DE 602004031888D1 DE 602004031888 T DE602004031888 T DE 602004031888T DE 602004031888 T DE602004031888 T DE 602004031888T DE 602004031888 D1 DE602004031888 D1 DE 602004031888D1
Authority
DE
Germany
Prior art keywords
partially compensating
positioning due
compensating errors
turning shift
incorrect turning
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.)
Expired - Lifetime
Application number
DE602004031888T
Other languages
German (de)
Inventor
Simon R W Walmsley
Kia Silverbrook
Pulver M Jackson
John R Sheahan
Richard T Plunkett
Michael J Webb
Benjanim D Morphett
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.)
Silverbrook Research Pty Ltd
Original Assignee
Silverbrook Research Pty 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 Silverbrook Research Pty Ltd filed Critical Silverbrook Research Pty Ltd
Publication of DE602004031888D1 publication Critical patent/DE602004031888D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B41J2/2132—Print quality control characterised by dot disposition, e.g. for reducing white stripes or banding
    • B41J2/2139—Compensation for malfunctioning nozzles creating dot place or dot size errors
    • 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
    • B41J2/04505—Control methods or devices therefor, e.g. driver circuits, control circuits aiming at correcting alignment
    • 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
    • B41J2/04541—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
    • B41J2/04551—Control methods or devices therefor, e.g. driver circuits, control circuits using several operating modes
    • 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
    • B41J2/04573—Timing; Delays
    • 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
    • B41J2/04586—Control methods or devices therefor, e.g. driver circuits, control circuits controlling heads of a type not covered by groups B41J2/04575 - B41J2/04585, or of an undefined 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
    • B41J2/04591—Width of the driving signal being adjusted
    • 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
    • B41J2/2132—Print quality control characterised by dot disposition, e.g. for reducing white stripes or banding
    • B41J2/2146—Print quality control characterised by dot disposition, e.g. for reducing white stripes or banding for line print heads
    • 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
    • B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
    • B41J2202/01—Embodiments of or processes related to ink-jet heads
    • B41J2202/20—Modules

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Ink Jet (AREA)
  • Record Information Processing For Printing (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
  • Printers Characterized By Their Purpose (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

A printhead module includes at least one row of printhead nozzles. Each row includes at least one displaced row portion. The displacement of the row portion includes a component in a direction normal to that of a pagewidth to be printed.
DE602004031888T 2004-05-27 2004-05-27 METHOD FOR AT LEAST PARTIALLY COMPENSATING ERRORS IN THE INK POSITIONING DUE TO INCORRECT TURNING SHIFT Expired - Lifetime DE602004031888D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/AU2004/000706 WO2005120835A1 (en) 2004-05-27 2004-05-27 Method for at least partially compensating for errors in ink dot placement due to erroneous rotational displacement

Publications (1)

Publication Number Publication Date
DE602004031888D1 true DE602004031888D1 (en) 2011-04-28

Family

ID=35502919

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004031888T Expired - Lifetime DE602004031888D1 (en) 2004-05-27 2004-05-27 METHOD FOR AT LEAST PARTIALLY COMPENSATING ERRORS IN THE INK POSITIONING DUE TO INCORRECT TURNING SHIFT

Country Status (9)

Country Link
EP (2) EP1765595B1 (en)
AT (1) ATE501857T1 (en)
AU (12) AU2004320526B2 (en)
CA (1) CA2567724A1 (en)
CY (1) CY1113337T1 (en)
DE (1) DE602004031888D1 (en)
ES (1) ES2393541T3 (en)
PT (1) PT2301753E (en)
WO (1) WO2005120835A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012520515A (en) 2009-03-10 2012-09-06 アイエムエス ソフトウェア サービシズ リミテッド Address intelligence system and method
WO2015163873A1 (en) * 2014-04-23 2015-10-29 Hewlett-Packard Development Company, L.P. Printing pen and printing system
MX2021009111A (en) 2019-02-06 2021-11-04 Hewlett Packard Development Co Integrated circuits including customization bits.
CN111667402B (en) * 2020-06-19 2023-03-14 洛阳师范学院 Binary gray level changing method in high-precision laser engraving rubber plate making
CN112465065B (en) * 2020-12-11 2022-10-14 中国第一汽车股份有限公司 Sensor data association method, device, equipment and storage medium
US11443814B1 (en) * 2021-05-27 2022-09-13 Winbond Electronics Corp. Memory structure with marker bit and operation method thereof
US20230177862A1 (en) * 2021-12-07 2023-06-08 Htc Corporation Method of tracking input sign for extended reality and system using the same
TWI802279B (en) 2022-02-18 2023-05-11 慧榮科技股份有限公司 Data storage device and control method for non-volatile memory
TWI845896B (en) 2022-02-18 2024-06-21 慧榮科技股份有限公司 Data storage device and control method for non-volatile memory
TWI805231B (en) * 2022-02-18 2023-06-11 慧榮科技股份有限公司 Data storage device and control method for non-volatile memory

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5596339A (en) * 1979-01-13 1980-07-22 Nippon Denso Co Ltd Air-fuel ratio control method
US5043740A (en) * 1989-12-14 1991-08-27 Xerox Corporation Use of sequential firing to compensate for drop misplacement due to curved platen
US5469199A (en) * 1990-08-16 1995-11-21 Hewlett-Packard Company Wide inkjet printhead
US5894314A (en) * 1991-01-18 1999-04-13 Canon Kabushiki Kaisha Ink jet recording apparatus using thermal energy
US5160403A (en) * 1991-08-09 1992-11-03 Xerox Corporation Precision diced aligning surfaces for devices such as ink jet printheads
EP0674993A3 (en) * 1994-03-31 1997-06-25 Hewlett Packard Co System, control circuit and method for electronic correction of pen misalignment in ink jet printers.
US5742305A (en) * 1995-01-20 1998-04-21 Hewlett-Packard PWA inkjet printer element with resident memory
JP3308815B2 (en) * 1996-06-28 2002-07-29 キヤノン株式会社 Ink jet recording method and apparatus
US6367903B1 (en) * 1997-02-06 2002-04-09 Hewlett-Packard Company Alignment of ink dots in an inkjet printer
US6672706B2 (en) * 1997-07-15 2004-01-06 Silverbrook Research Pty Ltd Wide format pagewidth inkjet printer
US6027203A (en) * 1997-12-11 2000-02-22 Lexmark International, Inc. Page wide ink-jet printer and method of making
US6089693A (en) * 1998-01-08 2000-07-18 Xerox Corporation Pagewidth ink jet printer including multiple pass defective nozzle correction
US6350004B1 (en) * 1998-07-29 2002-02-26 Lexmark International, Inc. Method and system for compensating for skew in an ink jet printer
DE69932146T2 (en) * 1999-02-18 2007-03-01 Hewlett-Packard Development Co., L.P., Houston Correction system for droplet positioning errors in the printing direction axis in inkjet printers
US6281908B1 (en) * 1999-04-15 2001-08-28 Lexmark International, Inc. Alignment system and method of compensating for skewed printing in an ink jet printer
JP3480374B2 (en) * 1999-07-08 2003-12-15 セイコーエプソン株式会社 Correction of misalignment of bi-directional printing considering nozzle row inclination
KR20020026075A (en) * 2000-09-30 2002-04-06 윤종용 Method for correcting print error caused by misalignment between chips mounted onto array head of ink jet printer
JP4790107B2 (en) * 2000-10-13 2011-10-12 オリンパス株式会社 Printer
TW523465B (en) * 2001-02-06 2003-03-11 Olympus Optical Co Image forming apparatus
US6554398B2 (en) * 2001-03-08 2003-04-29 Agfa-Gevaert Ink-jet printer equipped for aligning the printheads
US7092930B2 (en) * 2001-03-29 2006-08-15 Pitney Bowes Inc. Architecture and method to secure database records from tampering in devices such as postage value dispensing mechanisms
CN100335275C (en) * 2001-06-20 2007-09-05 索尼公司 Liquid discharging device and liquid discharging method
US6953241B2 (en) * 2001-11-30 2005-10-11 Brother Kogyo Kabushiki Kaisha Ink-jet head having passage unit and actuator units attached to the passage unit, and ink-jet printer having the ink-jet head
JP2003291325A (en) * 2002-03-29 2003-10-14 Olympus Optical Co Ltd Image recorder
JP2004284253A (en) * 2003-03-24 2004-10-14 Fuji Xerox Co Ltd Inkjet recording head and inkjet recording device

Also Published As

Publication number Publication date
AU2009203030B2 (en) 2010-07-01
AU2009203027B2 (en) 2010-06-10
EP2301753B1 (en) 2012-08-22
AU2009203031B2 (en) 2010-06-10
AU2009203033B2 (en) 2010-06-03
AU2004320526A1 (en) 2005-12-22
ATE501857T1 (en) 2011-04-15
AU2009203026A1 (en) 2009-08-13
AU2009203025A1 (en) 2009-08-13
WO2005120835A1 (en) 2005-12-22
AU2009203015B2 (en) 2010-06-24
CA2567724A1 (en) 2005-12-22
EP2301753A1 (en) 2011-03-30
AU2008207608B2 (en) 2009-05-21
AU2009203028B2 (en) 2010-06-10
EP1765595B1 (en) 2011-03-16
AU2009203012B2 (en) 2010-07-15
PT2301753E (en) 2013-01-23
ES2393541T3 (en) 2012-12-26
AU2009203028A1 (en) 2009-08-13
EP1765595A4 (en) 2009-10-21
AU2009203031A1 (en) 2009-08-13
AU2009203015A1 (en) 2009-08-13
AU2009203012A1 (en) 2009-08-13
AU2009203027A1 (en) 2009-08-13
CY1113337T1 (en) 2016-06-22
AU2009203033A1 (en) 2009-08-13
AU2009203026B2 (en) 2010-06-24
AU2009203032B2 (en) 2010-06-03
AU2004320526B2 (en) 2008-08-07
AU2009203025B2 (en) 2010-06-03
EP1765595A1 (en) 2007-03-28
AU2009203030A1 (en) 2009-08-13
AU2008207608A1 (en) 2008-09-18

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