ATE339850T1 - Elektrophotographisches gerät und elektrophotographisches bildverarbeitungsverfahren - Google Patents

Elektrophotographisches gerät und elektrophotographisches bildverarbeitungsverfahren

Info

Publication number
ATE339850T1
ATE339850T1 AT00301490T AT00301490T ATE339850T1 AT E339850 T1 ATE339850 T1 AT E339850T1 AT 00301490 T AT00301490 T AT 00301490T AT 00301490 T AT00301490 T AT 00301490T AT E339850 T1 ATE339850 T1 AT E339850T1
Authority
AT
Austria
Prior art keywords
development region
area
narrow
halftone spots
virtual
Prior art date
Application number
AT00301490T
Other languages
English (en)
Inventor
Toru Fujita
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
Application granted granted Critical
Publication of ATE339850T1 publication Critical patent/ATE339850T1/de

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
    • H04N1/46—Colour picture communication systems
    • H04N1/52—Circuits or arrangements for halftone screening
    • 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
    • H04N1/4056—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 varying in one dimension only, e.g. dash length, pulse width modulation [PWM]

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color, Gradation (AREA)
  • Laser Beam Printer (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Photoreceptors In Electrophotography (AREA)
AT00301490T 1999-02-25 2000-02-24 Elektrophotographisches gerät und elektrophotographisches bildverarbeitungsverfahren ATE339850T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4856399 1999-02-25
JP33029299A JP3244081B2 (ja) 1999-02-25 1999-11-19 電子写真装置及び電子写真の画像処理方法

Publications (1)

Publication Number Publication Date
ATE339850T1 true ATE339850T1 (de) 2006-10-15

Family

ID=26388855

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00301490T ATE339850T1 (de) 1999-02-25 2000-02-24 Elektrophotographisches gerät und elektrophotographisches bildverarbeitungsverfahren

Country Status (5)

Country Link
US (1) US6992795B1 (de)
EP (1) EP1032190B1 (de)
JP (1) JP3244081B2 (de)
AT (1) ATE339850T1 (de)
DE (1) DE60030608T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7253924B2 (en) * 2003-01-31 2007-08-07 Eastman Kodak Company Method of imaging multiple binary bitmaps in a single pass
US12330178B2 (en) 2012-12-27 2025-06-17 Kateeva, Inc. Techniques for arrayed printing of a permanent layer with improved speed and accuracy
KR102777021B1 (ko) 2012-12-27 2025-03-05 카티바, 인크. 정밀 공차 내로 유체를 증착하기 위한 인쇄 잉크 부피 제어를 위한 기법
US11673155B2 (en) 2012-12-27 2023-06-13 Kateeva, Inc. Techniques for arrayed printing of a permanent layer with improved speed and accuracy
JP6259580B2 (ja) * 2013-03-27 2018-01-10 株式会社東芝 画像表示装置、及び印刷方法
KR102495563B1 (ko) * 2013-12-12 2023-02-06 카티바, 인크. 두께를 제어하기 위해 하프토닝을 이용하는 잉크-기반 층 제조

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0204094B2 (de) * 1985-03-30 1998-08-19 Hitachi, Ltd. Druckverfahren vom Abtastaufzeichnungstyp und dessen Verwirklichungsvorrichtung
JP3124016B2 (ja) * 1990-03-16 2001-01-15 株式会社東芝 画像形成装置
US5339171A (en) * 1990-04-24 1994-08-16 Ricoh Company, Ltd. Image processing apparatus especially suitable for producing smooth-edged output multi-level tone data having fewer levels than input multi-level tone data
JP3021538B2 (ja) * 1990-05-02 2000-03-15 ミノルタ株式会社 デジタル画像形成装置
JPH04316276A (ja) * 1991-04-16 1992-11-06 Ricoh Co Ltd 画像形成装置
US5467422A (en) * 1991-08-13 1995-11-14 Konica Corporation Image forming apparatus with neighboring pixel processing
JP3598124B2 (ja) * 1993-10-18 2004-12-08 コニカミノルタビジネステクノロジーズ株式会社 階調記録方法及び装置
US6011878A (en) * 1996-09-26 2000-01-04 Canon Kabushiki Kaisha Image processing method and apparatus
US6317220B1 (en) * 1996-12-06 2001-11-13 Seiko Epson Corporation Image forming apparatus capable of preventing linear nonuniformity and improving image quality
JP3522147B2 (ja) * 1998-04-28 2004-04-26 セイコーエプソン株式会社 ハーフトーニング装置及び画像形成装置
US6266154B1 (en) * 1998-05-21 2001-07-24 Oak Technology, Inc. Grayscale enhancement system and method
JP3835037B2 (ja) * 1999-02-05 2006-10-18 セイコーエプソン株式会社 カラー電子写真の画像処理方法及びその電子写真装置

Also Published As

Publication number Publication date
DE60030608D1 (de) 2006-10-26
EP1032190A1 (de) 2000-08-30
US6992795B1 (en) 2006-01-31
JP2000309123A (ja) 2000-11-07
EP1032190B1 (de) 2006-09-13
JP3244081B2 (ja) 2002-01-07
DE60030608T2 (de) 2007-09-06

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Legal Events

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