DE3884668D1 - Bilderzeugungsgerät. - Google Patents

Bilderzeugungsgerät.

Info

Publication number
DE3884668D1
DE3884668D1 DE88304552T DE3884668T DE3884668D1 DE 3884668 D1 DE3884668 D1 DE 3884668D1 DE 88304552 T DE88304552 T DE 88304552T DE 3884668 T DE3884668 T DE 3884668T DE 3884668 D1 DE3884668 D1 DE 3884668D1
Authority
DE
Germany
Prior art keywords
imaging device
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.)
Expired - Lifetime
Application number
DE88304552T
Other languages
English (en)
Other versions
DE3884668T2 (de
Inventor
Makoto Takaoka
Susumu Sugiura
Kentaro Matsumoto
Toyokazu Uda
Masami Fukumoto
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
Priority claimed from JP62121149A external-priority patent/JPH0729446B2/ja
Priority claimed from JP62121148A external-priority patent/JP2716090B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE3884668D1 publication Critical patent/DE3884668D1/de
Publication of DE3884668T2 publication Critical patent/DE3884668T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04N1/40025—Circuits exciting or modulating particular heads for reproducing continuous tone value scales
    • H04N1/40031—Circuits exciting or modulating particular heads for reproducing continuous tone value scales for a plurality of reproducing elements simultaneously
    • 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
    • H04N1/4055—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern
    • H04N1/4057—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern the pattern being a mixture of differently sized sub-patterns, e.g. spots having only a few different diameters

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
  • Ink Jet (AREA)
DE19883884668 1987-05-20 1988-05-19 Bilderzeugungsgerät. Expired - Lifetime DE3884668T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62121149A JPH0729446B2 (ja) 1987-05-20 1987-05-20 インクジェット記録装置
JP62121148A JP2716090B2 (ja) 1987-05-20 1987-05-20 画像処理装置

Publications (2)

Publication Number Publication Date
DE3884668D1 true DE3884668D1 (de) 1993-11-11
DE3884668T2 DE3884668T2 (de) 1994-05-05

Family

ID=26458576

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19883884668 Expired - Lifetime DE3884668T2 (de) 1987-05-20 1988-05-19 Bilderzeugungsgerät.

Country Status (2)

Country Link
EP (1) EP0292292B1 (de)
DE (1) DE3884668T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4985779A (en) * 1989-09-19 1991-01-15 Intergraph Corporation Improved method and apparatus for generating halftone images
SE462904B (sv) * 1989-10-04 1990-09-17 Array Printers Ab Saett att foerbaettra utskriftsprestanda av graaskalor och faerg foer skrivare
US5801838A (en) * 1989-10-04 1998-09-01 Array Printers Ab Method and device to improve print quality of gray scales and color for printers
DE4025793A1 (de) * 1990-08-13 1992-02-20 Siemens Ag Verfahren zum drucken eines halbtonbildes
JP3176123B2 (ja) * 1991-06-07 2001-06-11 キヤノン株式会社 記録装置および該装置の駆動データ形成方法
JP3155794B2 (ja) * 1991-12-13 2001-04-16 キヤノン株式会社 インクジェット記録方法及びインクジェット記録装置
DE69331476T2 (de) * 1992-06-05 2002-08-08 Nexpress Solutions Llc Verfahren und Gerät zur Bildreproduktion mittels Grautondruck
US5805178A (en) * 1995-04-12 1998-09-08 Eastman Kodak Company Ink jet halftoning with different ink concentrations
AUPN234595A0 (en) * 1995-04-12 1995-05-04 Eastman Kodak Company Improvements in image halftoning
US5777759A (en) * 1995-04-28 1998-07-07 Canon Kabushiki Kaisha Image processing method and apparatus
US6102513A (en) * 1997-09-11 2000-08-15 Eastman Kodak Company Ink jet printing apparatus and method using timing control of electronic waveforms for variable gray scale printing without artifacts
US6439682B1 (en) * 1998-03-05 2002-08-27 Seiko Epson Corporation Printing method, printing apparatus, and recording medium
DE202014011517U1 (de) 2013-10-11 2021-10-28 Designerscope Limited Schranknivelliervorrichtung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5968245A (ja) * 1982-10-13 1984-04-18 Ricoh Co Ltd 多色インクジエツト記録方法
EP0162963B1 (de) * 1984-04-27 1989-03-08 Siemens Aktiengesellschaft Tintenschreibeinrichtung zur Darstellung mehrfarbiger Zeichen und/oder Muster

Also Published As

Publication number Publication date
EP0292292B1 (de) 1993-10-06
EP0292292A3 (en) 1989-01-11
DE3884668T2 (de) 1994-05-05
EP0292292A2 (de) 1988-11-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition