CA2048048A1 - Ink drop placement for improving imaging - Google Patents

Ink drop placement for improving imaging

Info

Publication number
CA2048048A1
CA2048048A1 CA 2048048 CA2048048A CA2048048A1 CA 2048048 A1 CA2048048 A1 CA 2048048A1 CA 2048048 CA2048048 CA 2048048 CA 2048048 A CA2048048 A CA 2048048A CA 2048048 A1 CA2048048 A1 CA 2048048A1
Authority
CA
Canada
Prior art keywords
ink drop
drop placement
improving imaging
ink
imaging
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
CA 2048048
Other languages
French (fr)
Other versions
CA2048048C (en
Inventor
Mark S. Hickman
Peter C. Morris
Alpha Nghia Doan
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.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of CA2048048A1 publication Critical patent/CA2048048A1/en
Application granted granted Critical
Publication of CA2048048C publication Critical patent/CA2048048C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B41J2/205—Ink jet for printing a discrete number of tones
    • B41J2/2054—Ink jet for printing a discrete number of tones by the variation of dot disposition or characteristics, e.g. dot number density, dot shape

Landscapes

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

Abstract

Ink-jet images are improved by printing groups of adjacent pixels with clusters of overlapping ink drops for resisting random ink drop coalescence that would lead to a mottled image.
CA 2048048 1990-09-17 1991-07-29 Ink drop placement for improving imaging Expired - Fee Related CA2048048C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US58378590A 1990-09-17 1990-09-17
US583,785 1990-09-17

Publications (2)

Publication Number Publication Date
CA2048048A1 true CA2048048A1 (en) 1992-03-18
CA2048048C CA2048048C (en) 2000-11-28

Family

ID=24334546

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2048048 Expired - Fee Related CA2048048C (en) 1990-09-17 1991-07-29 Ink drop placement for improving imaging

Country Status (4)

Country Link
EP (1) EP0476860B1 (en)
JP (1) JPH04234664A (en)
CA (1) CA2048048C (en)
DE (1) DE69112323T2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6106102A (en) * 1992-05-01 2000-08-22 Hewlett-Packard Company Odd number of passes, odd number of advances, and separated-diagonal-line masking, in liquid-ink printers

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4207623C2 (en) * 1992-03-06 1998-08-27 Eastman Kodak Co Method of printing with a serial inkjet printer
US5633663A (en) * 1992-03-31 1997-05-27 Canon Kabushiki Kaisha Ink jet recording method and apparatus
JP3339724B2 (en) 1992-09-29 2002-10-28 株式会社リコー Ink jet recording method and apparatus
JP3376027B2 (en) * 1992-12-04 2003-02-10 キヤノン株式会社 Fabric image forming apparatus, fabric image forming method, article made of image-formed fabric, and printed matter manufacturing method
US5600352A (en) * 1994-06-27 1997-02-04 Tektronix, Inc. Apparatus and method for controlling coalescence of ink drops on a print medium
US5625390A (en) * 1995-01-30 1997-04-29 Tektronix, Inc. Pairing of ink drops on a print medium
US5774144A (en) * 1995-08-01 1998-06-30 Tektronix, Inc. Image interlacing and joining in a printer
US5734393A (en) * 1995-08-01 1998-03-31 Tektronix, Inc. Interleaved interlaced imaging
US5731827A (en) * 1995-10-06 1998-03-24 Xerox Corporation Liquid ink printer having apparent 1XN addressability
NL1008762C2 (en) * 1998-03-31 1999-10-01 Stork Digital Imaging Bv Method of forming pixels on a substrate.
US6592204B1 (en) 1999-03-26 2003-07-15 Spectra, Inc. Single-pass inkjet printing
US6575558B1 (en) 1999-03-26 2003-06-10 Spectra, Inc. Single-pass inkjet printing
US6338544B1 (en) * 1999-06-29 2002-01-15 Xerox Corporation Reduction of stitch joint error by alternating print head firing mode
GB0220227D0 (en) 2002-08-30 2002-10-09 Xaar Technology Ltd Droplet deposition apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4617580A (en) * 1983-08-26 1986-10-14 Canon Kabushiki Kaisha Apparatus for recording on different types of mediums
US4748453A (en) * 1987-07-21 1988-05-31 Xerox Corporation Spot deposition for liquid ink printing
JPH024523A (en) * 1988-06-22 1990-01-09 Canon Inc Ink jet recording method and apparatus used therefor
US4967203A (en) * 1989-09-29 1990-10-30 Hewlett-Packard Company Interlace printing process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6106102A (en) * 1992-05-01 2000-08-22 Hewlett-Packard Company Odd number of passes, odd number of advances, and separated-diagonal-line masking, in liquid-ink printers

Also Published As

Publication number Publication date
JPH04234664A (en) 1992-08-24
CA2048048C (en) 2000-11-28
DE69112323T2 (en) 1996-01-25
EP0476860A2 (en) 1992-03-25
DE69112323D1 (en) 1995-09-28
EP0476860A3 (en) 1992-09-30
EP0476860B1 (en) 1995-08-23

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed