HK66693A - Method and apparatus for controlling ink-jet color printing heads - Google Patents

Method and apparatus for controlling ink-jet color printing heads

Info

Publication number
HK66693A
HK66693A HK666/93A HK66693A HK66693A HK 66693 A HK66693 A HK 66693A HK 666/93 A HK666/93 A HK 666/93A HK 66693 A HK66693 A HK 66693A HK 66693 A HK66693 A HK 66693A
Authority
HK
Hong Kong
Prior art keywords
printing heads
apply
ink
dot pattern
color
Prior art date
Application number
HK666/93A
Other languages
English (en)
Inventor
David J Logan
Original Assignee
Metromedia 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 Metromedia Co filed Critical Metromedia Co
Publication of HK66693A publication Critical patent/HK66693A/xx

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
    • H04N1/4051—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a dispersed dots halftone pattern, the dots having substantially the same size
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/52—Circuits or arrangements for halftone screening

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Ink Jet (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Facsimile Heads (AREA)
  • Spectrometry And Color Measurement (AREA)
HK666/93A 1984-08-02 1993-07-08 Method and apparatus for controlling ink-jet color printing heads HK66693A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63714384A 1984-08-02 1984-08-02

Publications (1)

Publication Number Publication Date
HK66693A true HK66693A (en) 1993-07-16

Family

ID=24554721

Family Applications (1)

Application Number Title Priority Date Filing Date
HK666/93A HK66693A (en) 1984-08-02 1993-07-08 Method and apparatus for controlling ink-jet color printing heads

Country Status (6)

Country Link
EP (1) EP0170136B1 (xx)
JP (1) JP2539783B2 (xx)
AT (1) ATE57137T1 (xx)
CA (1) CA1248818A (xx)
DE (1) DE3579974D1 (xx)
HK (1) HK66693A (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63246290A (ja) * 1987-04-01 1988-10-13 コダック・イマジカ株式会社 ポストカ−ドの製作方法
CA1304980C (en) * 1987-06-01 1992-07-14 Donald B. Bergstedt Method of improving dot-on-dot graphics area-fill using an ink-jet device
DE4030042A1 (de) * 1990-05-17 1991-11-21 Bayer Ag Verwendung von substituierten 1,2,4-triazindionen
US5548407A (en) * 1992-05-22 1996-08-20 Albrecht von Kienlin Process for electronic processing of multi-colored continuous-tone images
DE4313448C2 (de) * 1992-05-22 1995-04-27 Kienlin Albrecht Von Verfahren zur elektronischen Verarbeitung mehrfarbiger Halbton-Bildvorlagen
US5923348A (en) * 1997-02-26 1999-07-13 Lexmark International, Inc. Method of printing using a printhead having multiple rows of ink emitting orifices

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4084259A (en) * 1973-11-30 1978-04-11 The Mead Corporation Apparatus for dot matrix recording
US4032978A (en) * 1975-01-20 1977-06-28 International Business Machines Corporation Pseudo halftone print generator and method
DE3037774C2 (de) * 1980-10-06 1982-06-16 Siemens AG, 1000 Berlin und 8000 München Verfahren und Anordnung zum Darstellen von mehrfarbigen Halbtonbildern
JPS5899067A (ja) * 1981-12-09 1983-06-13 Kotaro Ishitani カラ−画像の走査式記録装置

Also Published As

Publication number Publication date
EP0170136A2 (en) 1986-02-05
JP2539783B2 (ja) 1996-10-02
CA1248818A (en) 1989-01-17
EP0170136A3 (en) 1987-01-14
ATE57137T1 (de) 1990-10-15
JPS6143077A (ja) 1986-03-01
EP0170136B1 (en) 1990-10-03
DE3579974D1 (de) 1990-11-08

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)