DE3650773D1 - Bilderzeugungsgerät - Google Patents

Bilderzeugungsgerät

Info

Publication number
DE3650773D1
DE3650773D1 DE3650773T DE3650773T DE3650773D1 DE 3650773 D1 DE3650773 D1 DE 3650773D1 DE 3650773 T DE3650773 T DE 3650773T DE 3650773 T DE3650773 T DE 3650773T DE 3650773 D1 DE3650773 D1 DE 3650773D1
Authority
DE
Germany
Prior art keywords
image forming
forming apparatus
image
forming
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
DE3650773T
Other languages
English (en)
Other versions
DE3650773T2 (de
Inventor
Toshio Honma
Yoshinori Ikeda
Yasumichi Suzuki
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 JP60258102A external-priority patent/JPH0683355B2/ja
Priority claimed from JP60258104A external-priority patent/JP2692789B2/ja
Priority claimed from JP60258103A external-priority patent/JPH0693754B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE3650773D1 publication Critical patent/DE3650773D1/de
Publication of DE3650773T2 publication Critical patent/DE3650773T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/387Composing, repositioning or otherwise geometrically modifying originals
    • H04N1/3872Repositioning or masking
    • H04N1/3873Repositioning or masking defined only by a limited number of coordinate points or parameters, e.g. corners, centre; for trimming
    • H04N1/3875Repositioning or masking defined only by a limited number of coordinate points or parameters, e.g. corners, centre; for trimming combined with enlarging or reducing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40Picture signal circuits
    • H04N1/405Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
    • H04N1/4055Halftoning, 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
    • H04N1/4056Halftoning, 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]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46Colour picture communication systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46Colour picture communication systems
    • H04N1/50Picture reproducers
    • H04N1/506Reproducing the colour component signals picture-sequentially, e.g. with reproducing heads spaced apart from one another in the subscanning direction
    • H04N1/508Reproducing the colour component signals picture-sequentially, e.g. with reproducing heads spaced apart from one another in the subscanning direction using the same reproducing head for two or more colour components
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46Colour picture communication systems
    • H04N1/56Processing of colour picture signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Color Electrophotography (AREA)
  • Color, Gradation (AREA)
  • Color Image Communication Systems (AREA)
  • Facsimile Image Signal Circuits (AREA)
DE3650773T 1985-11-18 1986-11-17 Bilderzeugungsgerät Expired - Lifetime DE3650773T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP60258102A JPH0683355B2 (ja) 1985-11-18 1985-11-18 カラー画像形成装置
JP60258104A JP2692789B2 (ja) 1985-11-18 1985-11-18 画像形成装置
JP60258103A JPH0693754B2 (ja) 1985-11-18 1985-11-18 カラ−画像処理装置

Publications (2)

Publication Number Publication Date
DE3650773D1 true DE3650773D1 (de) 2002-08-29
DE3650773T2 DE3650773T2 (de) 2002-12-05

Family

ID=27334703

Family Applications (5)

Application Number Title Priority Date Filing Date
DE3650767T Expired - Lifetime DE3650767T2 (de) 1985-11-18 1986-11-17 Bilderzeugungsgerät
DE3689930T Expired - Lifetime DE3689930T2 (de) 1985-11-18 1986-11-17 Elektronisches Abbildungsgerät.
DE3650768T Expired - Lifetime DE3650768T2 (de) 1985-11-18 1986-11-17 Bilderzeugungsgerät
DE3650773T Expired - Lifetime DE3650773T2 (de) 1985-11-18 1986-11-17 Bilderzeugungsgerät
DE3650722T Expired - Lifetime DE3650722T2 (de) 1985-11-18 1986-11-17 Bilderzeugungsgerät

Family Applications Before (3)

Application Number Title Priority Date Filing Date
DE3650767T Expired - Lifetime DE3650767T2 (de) 1985-11-18 1986-11-17 Bilderzeugungsgerät
DE3689930T Expired - Lifetime DE3689930T2 (de) 1985-11-18 1986-11-17 Elektronisches Abbildungsgerät.
DE3650768T Expired - Lifetime DE3650768T2 (de) 1985-11-18 1986-11-17 Bilderzeugungsgerät

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE3650722T Expired - Lifetime DE3650722T2 (de) 1985-11-18 1986-11-17 Bilderzeugungsgerät

Country Status (4)

Country Link
US (2) US4847654A (de)
EP (5) EP0723360B1 (de)
DE (5) DE3650767T2 (de)
HK (1) HK1014818A1 (de)

Families Citing this family (77)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5029227A (en) * 1985-08-30 1991-07-02 Canon Kabushiki Kaisha Image processing apparatus
US5251267A (en) * 1985-08-30 1993-10-05 Canon Kabushiki Kaisha Image recording apparatus for processing image data based on characteristics of image data
US4847695A (en) * 1986-02-06 1989-07-11 Canon Kabushiki Kaisha Image processing apparatus in which the minimum and maximum widths of a pulse-width modulated signal can be independently adjusted in accordance with predetermined data signals
EP0234809B1 (de) * 1986-02-14 2001-05-16 Canon Kabushiki Kaisha Bildverarbeitungsvorrichtung
US5175635A (en) * 1986-06-02 1992-12-29 Kabushiki Kaisha Toshiba Picture printing apparatus using multivalued patterns, binary patterns and dither patterns selectively
JPS6358584A (ja) * 1986-08-29 1988-03-14 Canon Inc 画像処理装置
EP0266186B1 (de) * 1986-10-29 1993-09-29 Canon Kabushiki Kaisha Farbbildlesegerät oder Farbbilderzeugungsgerät
US4975769A (en) * 1987-07-06 1990-12-04 Dai Nippon Insatsu Kaushiki Kaisha Apparatus for color modification adapted to represent the pictorial image
DE3830811A1 (de) * 1987-09-11 1989-03-23 Minolta Camera Kk Bildaufzeichnungssystem
JPH07101915B2 (ja) * 1987-09-21 1995-11-01 コニカ株式会社 画像処理装置
JP2693485B2 (ja) * 1987-10-16 1997-12-24 株式会社リコー カラー複写機のカラー調整装置
JP3147231B2 (ja) * 1987-12-01 2001-03-19 キヤノン株式会社 画像処理装置
US5245419A (en) * 1988-01-29 1993-09-14 Canon Kabushiki Kaisha Color image forming apparatus and method and apparatus for processing color image
EP0327278B1 (de) * 1988-01-29 1994-05-04 Canon Kabushiki Kaisha Farbbilderzeugungsgerät und Verfahren und Vorrichtung zur Farbbildverarbeitung
US4910537A (en) * 1988-02-26 1990-03-20 Kabushiki Kaisha Toshiba Image forming apparatus
US5253082A (en) * 1988-03-10 1993-10-12 Canon Kabushiki Kaisha Image forming apparatus
US5081528A (en) * 1988-03-10 1992-01-14 Canon Kabushiki Kaisha Image forming apparatus
EP0332468B1 (de) * 1988-03-10 1994-06-08 Canon Kabushiki Kaisha Bilderzeugungsgerät
JPH0264875A (ja) * 1988-08-31 1990-03-05 Toshiba Corp カラー画像の高速彩度変換装置
DE68927080T2 (de) * 1988-06-08 1997-03-20 Canon Kk Bildverarbeitungsvorrichtung
US5031034A (en) * 1988-06-20 1991-07-09 Canon Kabushiki Kaisha Image forming and processing apparatus with identification of character portions of images
US4943833A (en) * 1988-06-21 1990-07-24 Minolta Camera Kabushiki Kaisha Color copying apparatus and method
JPH0248682A (ja) * 1988-08-10 1990-02-19 Minolta Camera Co Ltd 編集及び多色現像機能付作像装置
JP2536094B2 (ja) * 1988-10-20 1996-09-18 富士ゼロックス株式会社 カラ―画像処理装置
US5148287A (en) * 1988-10-20 1992-09-15 Canon Kabushiki Kaisha Image processing apparatus with good highlight reproduction
DE68926150T2 (de) * 1988-11-26 1996-09-05 Konishiroku Photo Ind Farbbildverarbeitungsgerät
US5617224A (en) * 1989-05-08 1997-04-01 Canon Kabushiki Kaisha Imae processing apparatus having mosaic processing feature that decreases image resolution without changing image size or the number of pixels
JP3219403B2 (ja) * 1989-05-10 2001-10-15 キヤノン株式会社 画像記憶装置
US4928128A (en) * 1989-05-30 1990-05-22 Xerox Corporation Sheet circulation in a duplex printer
US4928127A (en) * 1989-05-30 1990-05-22 Xerox Corporation Sheet circulation in a duplex printer
US6760133B1 (en) * 1989-08-02 2004-07-06 Canon Kabushiki Kaisha Color image processing apparatus capable of detecting a color or monochromatic image
JP2872285B2 (ja) * 1989-08-02 1999-03-17 キヤノン株式会社 画像処理装置及び画像処理方法
JPH03110596A (ja) * 1989-09-26 1991-05-10 Canon Inc 印刷装置
JP2783617B2 (ja) * 1989-10-31 1998-08-06 キヤノン株式会社 カラー画像処理装置及び方法
DE4042666C2 (de) * 1989-10-31 1998-09-03 Canon Kk Verfahren zur Bildverarbeitung
DE4034540C2 (de) * 1989-10-31 1999-11-11 Canon Kk Verfahren und Gerät zur Bildverarbeitung
JP2845380B2 (ja) * 1990-01-19 1999-01-13 キヤノン株式会社 印刷装置及びその制御方法
US5291562A (en) * 1990-01-22 1994-03-01 Fuji Photo Film Co., Ltd. Image signal processing apparatus producing a narrowed pulse width modulated signal using an asymmetrically centered triangle reference waveform
JP2824999B2 (ja) * 1990-02-01 1998-11-18 キヤノン株式会社 画像処理装置
US5381248A (en) * 1990-05-04 1995-01-10 Canon Kabushiki Kaisha Image processing apparatus
JP3062338B2 (ja) * 1991-03-01 2000-07-10 キヤノン株式会社 画像処理装置
US5241328A (en) * 1991-09-20 1993-08-31 Eastman Kodak Company Apparatus and method for thermal printing of finely detailed images of photographic quality
US5477257A (en) * 1991-11-11 1995-12-19 Matsushita Electric Industrial Co., Ltd. Image forming method and apparatus using rotated screen with pulse width modulation
US6262809B1 (en) 1991-12-27 2001-07-17 Minolta Co., Ltd. Image processing apparatus shifting image data between adjacent picture elements
ES2133357T3 (es) * 1992-03-31 1999-09-16 Canon Kk Aparato para el proceso de imagenes.
US5436647A (en) * 1992-06-03 1995-07-25 Ricoh Company, Ltd. Color image forming apparatus
JP3210099B2 (ja) * 1992-11-05 2001-09-17 キヤノン株式会社 画像処理装置および画像処理方法
JP3444926B2 (ja) * 1993-07-19 2003-09-08 パイオニア株式会社 表示装置の階調補正方式
JP3548205B2 (ja) 1993-10-29 2004-07-28 キヤノン株式会社 画像処理方法およびその装置
JPH07327116A (ja) * 1994-05-31 1995-12-12 Fuji Xerox Co Ltd 画像入出力制御装置
US5937087A (en) * 1994-07-29 1999-08-10 Canon Kabushiki Kaisha Image processing apparatus and method thereof
US5652663A (en) * 1994-07-29 1997-07-29 Polaroid Corporation Preview buffer for electronic scanner
JPH0897991A (ja) * 1994-09-28 1996-04-12 Fuji Xerox Co Ltd 複写機
JPH08195878A (ja) 1995-01-18 1996-07-30 Canon Inc 画像処理装置
EP0741485A1 (de) * 1995-05-05 1996-11-06 Agfa-Gevaert N.V. Verfahren zur Erzeugung von halbtongerasterten Bildeinblendungen für Kombination mit halbtongerasterten Bildern
JP3327075B2 (ja) * 1995-11-13 2002-09-24 ミノルタ株式会社 画像形成装置
JPH09261469A (ja) * 1996-01-19 1997-10-03 Canon Inc 画像処理装置及び画像処理方法
JP3532048B2 (ja) * 1996-03-27 2004-05-31 株式会社リコー デジタル複写機
US6249592B1 (en) * 1998-05-22 2001-06-19 Xerox Corporation Multi-resolution neutral color detection
CN1196075C (zh) * 1998-10-05 2005-04-06 佳能株式会社 图象读取装置
JP2000201261A (ja) * 1998-10-28 2000-07-18 Fujitsu Ltd 画像読取装置
JP3837962B2 (ja) * 1999-06-11 2006-10-25 コニカミノルタホールディングス株式会社 カラープルーフ作成方法及びカラープルーフ作成装置
US7113310B2 (en) * 2000-01-26 2006-09-26 Fuji Photo Film Co., Ltd. Method of processing image
JP2001285626A (ja) * 2000-03-31 2001-10-12 Murata Mach Ltd 画像処理方法及び画像処理装置
US6813041B1 (en) * 2000-03-31 2004-11-02 Hewlett-Packard Development Company, L.P. Method and apparatus for performing local color correction
JP2002016762A (ja) * 2000-04-25 2002-01-18 Nec Corp 画像読取方法及びその装置
EP1367814A3 (de) * 2002-05-27 2005-06-08 Océ-Technologies B.V. Verarbeitung von digitalen gemischten Farbdokumenten
JP2004040776A (ja) 2002-05-27 2004-02-05 Oce Technologies Bv ディジタル混合カラー文書の処理
US20050036817A1 (en) * 2003-08-12 2005-02-17 Wilken Kevin L. Method and apparatus for reducing label length error in a label printer
US20050073732A1 (en) * 2003-10-01 2005-04-07 Benedicto Jordi Arnabat Systems and methods for scanning media
TWI249334B (en) * 2004-12-07 2006-02-11 Lite On Technology Corp Scanner able to be adjusted to the optimized scanning speed
TWI282866B (en) * 2005-07-12 2007-06-21 Benq Corp Scan system with multi-light sources and method of the same
US20070211341A1 (en) * 2006-03-13 2007-09-13 Kabushiki Kaisha Toshiba Image scan apparatus, MFP and sub-scan magnification adjustment method
US7676171B2 (en) * 2007-04-26 2010-03-09 Hewlett-Packard Development Company, L.P. Printing device and method for switching between monochrome and color modes
JP4855345B2 (ja) * 2007-06-15 2012-01-18 株式会社リコー 画像処理装置及び画像形成装置
KR101883297B1 (ko) * 2014-08-18 2018-07-31 에이치피프린팅코리아 주식회사 화상독취장치 및 화상독취방법
US10962416B2 (en) * 2016-06-30 2021-03-30 Prosper Creative Co., Ltd. Color conversion system, color conversion apparatus and color conversion method

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3675218A (en) * 1970-01-15 1972-07-04 Ibm Independent read-write monolithic memory array
US4040094A (en) * 1973-02-13 1977-08-02 International Publishing Corporation Ltd. Electronic screening
US3914043A (en) * 1974-03-29 1975-10-21 Xerox Corp Color accenting copying machine
US4012776A (en) * 1975-06-23 1977-03-15 Xerox Corporation Luminescent screen laser scanning technique
US4234250A (en) * 1977-07-15 1980-11-18 Xerox Corporation Electrophotographic printing system
DE3020201A1 (de) * 1979-05-30 1980-12-11 Crosfield Electronics Ltd Bildreproduktionsvorrichtung
US4349268A (en) * 1979-06-28 1982-09-14 Konishiroku Photo Industry Co., Ltd. Electrostatic image-forming process and an apparatus therefor
JPS5748860A (en) * 1980-09-08 1982-03-20 Canon Inc Picture synthesizer
JPS5760586A (en) * 1980-09-26 1982-04-12 Matsushita Electric Ind Co Ltd Random access memory
JPS57150075A (en) * 1981-03-12 1982-09-16 Fuji Xerox Co Ltd Square figure recognizing device
JPS5825965A (ja) * 1981-08-08 1983-02-16 Sony Corp プリンタにおける着色特性補正回路
US4564864A (en) * 1981-11-04 1986-01-14 Canon Kabushiki Kaisha Image forming apparatus
US4491937A (en) * 1982-02-25 1985-01-01 Trw Inc. Multiport register file
JPS58157255A (ja) * 1982-03-13 1983-09-19 Dainippon Screen Mfg Co Ltd 画像走査記録方法
JPS59161981A (ja) * 1983-03-06 1984-09-12 Canon Inc 画像処理装置
JPH0722328B2 (ja) * 1983-03-08 1995-03-08 キヤノン株式会社 画像処理装置
EP0371005B2 (de) * 1983-03-08 1998-10-28 Canon Kabushiki Kaisha Bildverarbeitungsgerät
JPS59164569A (ja) * 1983-03-08 1984-09-17 Canon Inc カラ−画像処理装置
US4554645A (en) * 1983-03-10 1985-11-19 International Business Machines Corporation Multi-port register implementation
US4660961A (en) * 1984-06-07 1987-04-28 Matsushita Electric Industrial Co., Ltd. Copying apparatus for synthesizing images
JPS60198269A (ja) * 1984-03-22 1985-10-07 Matsushita Electric Ind Co Ltd 熱溶解転写記録方法
JPS61111071A (ja) * 1984-11-06 1986-05-29 Canon Inc カラ−像形成装置
US4774590A (en) * 1985-04-24 1988-09-27 Canon Kabushiki Kaisha Facsimile apparatus
FR2581775B1 (fr) * 1985-05-10 1990-03-23 Thomson Cgr Procede de reglage de l'echelle des gris dans la reproduction d'images numerisees et systeme mettant en oeuvre ce procede
DE3688494T2 (de) * 1985-08-15 1993-11-04 Canon Kk Geraet zur erzeugung eines bildes aus einem digitalen videosignal.
EP0216536B1 (de) * 1985-08-29 1992-11-11 Canon Kabushiki Kaisha Bildverarbeitungsvorrichtung
JP2653055B2 (ja) * 1987-05-14 1997-09-10 ミノルタ株式会社 デジタルカラー複写機

Also Published As

Publication number Publication date
EP0730370B1 (de) 2002-02-06
EP0472226A3 (en) 1992-10-21
EP0723360A3 (de) 1996-12-04
EP0723361A3 (de) 1996-12-04
US4847654A (en) 1989-07-11
EP0723360B1 (de) 2002-07-24
EP0723360A2 (de) 1996-07-24
DE3650722D1 (de) 1999-08-12
DE3650768D1 (de) 2002-03-21
EP0225100A2 (de) 1987-06-10
EP0472226B1 (de) 1999-07-07
DE3689930D1 (de) 1994-07-28
DE3650722T2 (de) 1999-12-09
DE3650768T2 (de) 2002-09-05
EP0730370A3 (de) 1996-12-04
EP0225100B1 (de) 1994-06-22
DE3650767T2 (de) 2002-08-14
DE3689930T2 (de) 1994-11-17
DE3650767D1 (de) 2002-03-21
EP0723361B1 (de) 2002-02-06
EP0225100A3 (en) 1989-01-25
EP0472226A2 (de) 1992-02-26
EP0730370A2 (de) 1996-09-04
DE3650773T2 (de) 2002-12-05
US5280348A (en) 1994-01-18
HK1014818A1 (en) 1999-09-30
EP0723361A2 (de) 1996-07-24

Similar Documents

Publication Publication Date Title
DE3650768D1 (de) Bilderzeugungsgerät
US4710016B1 (en) Developing apparatus
DE3856525D1 (de) Bilderzeugungsgerät
DE3661492D1 (de) Decropping apparatus
DE3650764D1 (de) Bildverarbeitungsgerät
DE3650496D1 (de) Bildverarbeitungsgerät
KR860006180A (ko) 화상부호화장치
DE3664169D1 (en) Developing apparatus
GB2174930B (en) An image forming apparatus
GB2184960B (en) An image forming apparatus
GB2180794B (en) An image forming apparatus
GB2184274B (en) Image forming apparatus
GB2184396B (en) An image forming apparatus
GB2171646B (en) Image forming apparatus
NO175292C (no) Fluidseparator
KR880700359A (ko) 화상처리장치
GB2182185B (en) Image forming apparatus
DE3667111D1 (en) Image forming apparatus
DE3662953D1 (en) Developing apparatus
IT1204325B (it) Apparecchio estrusore-turbomescolatore
PT83881A (pt) Aparelho publicitario
KR880700357A (ko) 화상 처리장치
GB2180714B (en) Image apparatus
GB2180076B (en) Image forming apparatus
IT1230822B (it) Apparecchio di formazione di immagini

Legal Events

Date Code Title Description
8364 No opposition during term of opposition