DE68927250D1 - Bildaufzeichnungsgerät - Google Patents
BildaufzeichnungsgerätInfo
- Publication number
- DE68927250D1 DE68927250D1 DE68927250T DE68927250T DE68927250D1 DE 68927250 D1 DE68927250 D1 DE 68927250D1 DE 68927250 T DE68927250 T DE 68927250T DE 68927250 T DE68927250 T DE 68927250T DE 68927250 D1 DE68927250 D1 DE 68927250D1
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Facsimile Image Signal Circuits (AREA)
- Ink Jet (AREA)
- Color Image Communication Systems (AREA)
- Color, Gradation (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
- Dot-Matrix Printers And Others (AREA)
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 true DE68927250D1 (de) | 1996-10-31 |
DE68927250T2 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)
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 |
WO1996032813A1 (en) * | 1995-04-12 | 1996-10-17 | Eastman Kodak Company | Photograph processing and copying systems |
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 |
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 |
IT1293663B1 (it) * | 1996-08-02 | 1999-03-08 | Seiko Epson Corp | Cartuccia di inchiostro e dispositivo stampante che utilizza tale cartuccia di inchiostro. |
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)
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 |
-
1988
- 1988-11-15 JP JP63287945A patent/JP2791066B2/ja not_active Expired - Fee Related
-
1989
- 1989-11-15 EP EP89311844A patent/EP0369778B1/de not_active Expired - Lifetime
- 1989-11-15 DE DE68927250T patent/DE68927250T2/de not_active Expired - Fee Related
-
1993
- 1993-10-20 US US08/138,379 patent/US5406392A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5406392A (en) | 1995-04-11 |
DE68927250T2 (de) | 1997-02-20 |
EP0369778A3 (de) | 1991-09-11 |
EP0369778B1 (de) | 1996-09-25 |
JP2791066B2 (ja) | 1998-08-27 |
JPH02134265A (ja) | 1990-05-23 |
EP0369778A2 (de) | 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 |