DE68927250T2 - Bildaufzeichnungsgerät - Google Patents

Bildaufzeichnungsgerät

Info

Publication number
DE68927250T2
DE68927250T2 DE68927250T DE68927250T DE68927250T2 DE 68927250 T2 DE68927250 T2 DE 68927250T2 DE 68927250 T DE68927250 T DE 68927250T DE 68927250 T DE68927250 T DE 68927250T DE 68927250 T2 DE68927250 T2 DE 68927250T2
Authority
DE
Germany
Prior art keywords
image recorder
recorder
image
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 - Fee Related
Application number
DE68927250T
Other languages
English (en)
Other versions
DE68927250D1 (de
Inventor
Takao Aoki
Yuji Akiyama
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
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE68927250D1 publication Critical patent/DE68927250D1/de
Publication of DE68927250T2 publication Critical patent/DE68927250T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04N1/46—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
    • H04N1/40087—Multi-toning, i.e. converting a continuous-tone signal for reproduction with more than two discrete brightnesses or optical densities, e.g. dots of grey and black inks on white paper
    • 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
    • H04N1/4052—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 by error diffusion, i.e. transferring the binarising error to neighbouring dot decisions
DE68927250T 1988-11-15 1989-11-15 Bildaufzeichnungsgerät Expired - Fee Related DE68927250T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63287945A JP2791066B2 (ja) 1988-11-15 1988-11-15 記録装置

Publications (2)

Publication Number Publication Date
DE68927250D1 DE68927250D1 (de) 1996-10-31
DE68927250T2 true DE68927250T2 (de) 1997-02-20

Family

ID=17723771

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68927250T Expired - Fee Related DE68927250T2 (de) 1988-11-15 1989-11-15 Bildaufzeichnungsgerät

Country Status (4)

Country Link
US (1) US5406392A (de)
EP (1) EP0369778B1 (de)
JP (1) JP2791066B2 (de)
DE (1) DE68927250T2 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5357347A (en) * 1989-04-25 1994-10-18 Canon Kabushiki Kaisha Communication system with inoperability detector such as "Ink Out" detector in receiving machine
US5444551A (en) * 1992-07-22 1995-08-22 Eastman Kodak Company Process for specifying mean-preserving mutli-level halftone matrices with varying amounts of modulation
JPH0670109A (ja) * 1992-08-21 1994-03-11 Canon Inc 画像処理装置
JPH06340094A (ja) * 1993-05-31 1994-12-13 Canon Inc インクジェット記録装置およびインクジェット記録方法
JP3190523B2 (ja) * 1993-08-31 2001-07-23 キヤノン株式会社 インクジェットプリント物の製造装置およびインクジェットプリント方法
JP3229458B2 (ja) * 1993-10-08 2001-11-19 キヤノン株式会社 記録装置およびインクカートリッジ
US5394252A (en) * 1994-03-02 1995-02-28 Xerox Corporation Hybrid quantization method for color document reproduction
US6031974A (en) * 1994-03-25 2000-02-29 Canon Kabushiki Kaisha Image processing apparatus and method, and method of manufacturing ink-jet recorded article
JP3305495B2 (ja) * 1994-04-28 2002-07-22 キヤノン株式会社 画像処理装置および画像処理方法
US5909227A (en) * 1995-04-12 1999-06-01 Eastman Kodak Company Photograph processing and copying system using coincident force drop-on-demand ink jet printing
EP0765570A1 (de) * 1995-04-12 1997-04-02 Eastman Kodak Company Fotoverarbeitung und kopiersysteme
US5832184A (en) * 1995-05-01 1998-11-03 Canon Kabushiki Kaisha Image processing apparatus and method
US7237872B1 (en) * 1995-05-02 2007-07-03 Fujifilm Dimatrix, Inc. High resolution multicolor ink jet printer
JP3322522B2 (ja) * 1995-05-16 2002-09-09 ブラザー工業株式会社 カラー画像処理装置
JPH09216383A (ja) * 1996-02-13 1997-08-19 Sony Corp プリンタ装置
GB2316037B (en) * 1996-08-02 2000-03-22 Seiko Epson Corp Ink cartridge and a printing device using the ink cartridge
US6354688B1 (en) * 1998-04-27 2002-03-12 Canon Kabushiki Kaisha Image processing method and apparatus and recording medium
JP4620817B2 (ja) * 1998-05-29 2011-01-26 キヤノン株式会社 画像処理装置および画像処理方法
JP4621279B2 (ja) * 1998-05-29 2011-01-26 キヤノン株式会社 画像処理装置および画像処理方法
JP2002185788A (ja) * 2000-10-06 2002-06-28 Seiko Epson Corp 画像処理装置、画像処理方法、印刷制御装置、および記録媒体
JP4678468B2 (ja) * 2001-09-13 2011-04-27 コニカミノルタホールディングス株式会社 インクジェット式プリンタ用の画像データ処理方法
JP2004177377A (ja) 2002-11-29 2004-06-24 Hitachi Ltd 検査方法および検査装置
JP4095423B2 (ja) * 2002-12-06 2008-06-04 キヤノン株式会社 画像処理装置、画像データ処理方法、記憶媒体、プログラム

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2504456B1 (fr) * 1981-04-27 1991-07-19 Canon Kk Appareil d'impression pour la copie d'originaux
US4528576A (en) * 1982-04-15 1985-07-09 Canon Kabushiki Kaisha Recording apparatus
JPS5911067A (ja) * 1982-07-10 1984-01-20 Nippon Telegr & Teleph Corp <Ntt> カラ−画像再現方法
JPH0754963B2 (ja) * 1983-03-07 1995-06-07 キヤノン株式会社 画像処理装置
EP0110353B2 (de) * 1982-11-30 1990-03-21 Kabushiki Kaisha Toshiba Bildsignalverarbeitungssystem geeignet für die Darstellung von Halbtonbildern
JPS59156070A (ja) * 1983-02-25 1984-09-05 Canon Inc 画像処理装置
US4635078A (en) * 1983-04-28 1987-01-06 Canon Kabushiki Kaisha Intermediate gradient image producing method
US4672432A (en) * 1983-04-28 1987-06-09 Canon Kabushiki Kaisha Method for recording a color image using dots of colorants of different densities
JPS59205876A (ja) * 1983-05-10 1984-11-21 Canon Inc カラー画像処理装置
JPS60262663A (ja) * 1984-06-12 1985-12-26 Nec Corp インクジエツト記録装置
JPS615677A (ja) * 1984-06-20 1986-01-11 Matsushita Electric Ind Co Ltd 濃淡画像記録方法
JPS61108254A (ja) * 1984-10-31 1986-05-26 Canon Inc 階調記録方法
US4686538A (en) * 1984-10-31 1987-08-11 Canon Kabushiki Kaisha Tone recording method
JPS62220072A (ja) * 1986-03-20 1987-09-28 Ricoh Co Ltd 中間調デジタルカラ−画像処理方法
JPS62279954A (ja) * 1986-05-29 1987-12-04 Canon Inc インクジエツト記録方法
JPH084320B2 (ja) * 1986-08-06 1996-01-17 キヤノン株式会社 カラ−画像形成装置
JPS63109059A (ja) * 1986-10-27 1988-05-13 Canon Inc 画像処理システム
DE3785558T3 (de) * 1986-12-19 1997-04-10 Matsushita Electric Ind Co Ltd Gerät zur Verarbeitung von Signalen für die Anzeige von Bildern mit zwei Pegeln.
US4878125A (en) * 1987-01-08 1989-10-31 Canon Kabushiki Kaisha Method and apparatus for image processing with fed-back error correction
JP2702928B2 (ja) * 1987-06-19 1998-01-26 株式会社日立製作所 画像入力装置
US4975786A (en) * 1987-12-28 1990-12-04 Canon Kabushiki Kaisha Image processing method and apparatus with error diffusion capability
US4930018A (en) * 1988-12-02 1990-05-29 Hewlett-Packard Company Method and system for enhancing the quality of both color and black and white images produced by ink jet printers
US5252992A (en) * 1989-03-29 1993-10-12 Canon Kabushiki Kaisha Ink jet recording apparatus
JP2859296B2 (ja) * 1989-06-01 1999-02-17 キヤノン株式会社 画像再生方法及びその装置

Also Published As

Publication number Publication date
EP0369778A3 (de) 1991-09-11
EP0369778B1 (de) 1996-09-25
JP2791066B2 (ja) 1998-08-27
US5406392A (en) 1995-04-11
EP0369778A2 (de) 1990-05-23
DE68927250D1 (de) 1996-10-31
JPH02134265A (ja) 1990-05-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee