FR2253338B1 - - Google Patents

Info

Publication number
FR2253338B1
FR2253338B1 FR7436640A FR7436640A FR2253338B1 FR 2253338 B1 FR2253338 B1 FR 2253338B1 FR 7436640 A FR7436640 A FR 7436640A FR 7436640 A FR7436640 A FR 7436640A FR 2253338 B1 FR2253338 B1 FR 2253338B1
Authority
FR
France
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
Application number
FR7436640A
Other versions
FR2253338A1 (fr
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.)
Mead Corp
Original Assignee
Mead 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 Mead Corp filed Critical Mead Corp
Publication of FR2253338A1 publication Critical patent/FR2253338A1/fr
Application granted granted Critical
Publication of FR2253338B1 publication Critical patent/FR2253338B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F5/00—Screening processes; Screens therefor
    • G03F5/22—Screening processes; Screens therefor combining several screens; Elimination of moiré
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/21—Ink jet for multi-colour printing
    • B41J2/2121—Ink jet for multi-colour printing characterised by dot size, e.g. combinations of printed dots of different diameter
    • B41J2/2128—Ink jet for multi-colour printing characterised by dot size, e.g. combinations of printed dots of different diameter by means of energy modulation
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/18—Ink recirculation systems
    • B41J2/185—Ink-collectors; Ink-catchers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Image Processing (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
  • Combination Of More Than One Step In Electrophotography (AREA)
  • Facsimile Image Signal Circuits (AREA)
FR7436640A 1973-11-30 1974-11-04 Expired FR2253338B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US42063973A 1973-11-30 1973-11-30

Publications (2)

Publication Number Publication Date
FR2253338A1 FR2253338A1 (fr) 1975-06-27
FR2253338B1 true FR2253338B1 (fr) 1978-06-16

Family

ID=23667264

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7436640A Expired FR2253338B1 (fr) 1973-11-30 1974-11-04

Country Status (7)

Country Link
US (1) US4084259A (fr)
JP (1) JPS5087243A (fr)
BR (1) BR7409889A (fr)
DE (1) DE2454310A1 (fr)
FR (1) FR2253338B1 (fr)
GB (1) GB1489433A (fr)
IT (1) IT1023903B (fr)

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5536896A (en) * 1978-07-14 1980-03-14 Information Int Inc Preparing halfftone duplicate and system thereof
US4189754A (en) * 1978-11-24 1980-02-19 The Mead Corporation Gray tone reproduction apparatus
JPS5573077A (en) * 1978-11-27 1980-06-02 Toshiba Corp Copying apparatus
US4196452A (en) * 1978-12-01 1980-04-01 Xerox Corporation Tone error control for image contour removal
US4196453A (en) * 1978-12-01 1980-04-01 Xerox Corporation Image screening system
US4196454A (en) * 1978-12-04 1980-04-01 Xerox Corporation Tone error control for relatively large image areas
US4468706A (en) * 1979-02-13 1984-08-28 Coulter Systems Corporation Imaging by varying the placement of elements in the pixels
JPS55146582A (en) * 1979-04-27 1980-11-14 Matsushita Electric Ind Co Ltd Image recording method
JPS55164868A (en) * 1979-06-08 1980-12-22 Mitsubishi Electric Corp Image recorder into plastic cards
DE2931098C2 (de) * 1979-07-31 1983-01-05 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren zur Druckformherstellung
US4278999A (en) * 1979-09-12 1981-07-14 The Mead Corporation Moving image scanner
DE2943018C3 (de) * 1979-10-24 1982-05-13 Siemens AG, 1000 Berlin und 8000 München Verfahren und Anordnung zum Darstellen eines Halbtonbilds
GB2069793B (en) * 1979-12-29 1985-02-13 Canon Kk Half-tone facsimile
US4408868A (en) * 1980-04-11 1983-10-11 Coulter Systems Corporation Digital plate maker system and method
JPS57129751A (en) * 1981-02-06 1982-08-11 Fuji Photo Film Co Ltd Arranging method for heads of ink-jet printer
US4365275A (en) * 1981-05-08 1982-12-21 Delta Scan, Inc. Method for producing images on radiation sensitive recording mediums
JPS5811941A (ja) * 1981-07-16 1983-01-22 Dainippon Screen Mfg Co Ltd 網目版画像記録装置における絵柄信号と文字信号の処理方法
JPS5827147A (ja) * 1981-08-11 1983-02-17 Dainippon Screen Mfg Co Ltd 網目版作成方法
JPS58124667A (ja) * 1982-01-20 1983-07-25 Sanyo Electric Co Ltd インクジエツト印写装置
JPS58124668A (ja) * 1982-01-20 1983-07-25 Sanyo Electric Co Ltd インクジエツト印写装置
US5666444A (en) * 1982-04-06 1997-09-09 Canon Kabushiki Kaisha Image processing apparatus
GB2120896B (en) * 1982-04-06 1987-01-28 Canon Kk Half-tone facsimile system
FR2532059A1 (fr) * 1982-08-19 1984-02-24 Schlumberger Prospection Procede et dispositif pour la presentation visuelle, notamment l'enregistrement graphique de resultats de mesures dans un puits
US4555802A (en) * 1983-01-10 1985-11-26 International Business Machines Corporation Compaction and decompaction of non-coded information bearing signals
EP0126782B1 (fr) * 1983-05-02 1987-09-16 Ibm Deutschland Gmbh Procédé de reproduction d'images à valeurs de gris
US4506999A (en) * 1983-07-12 1985-03-26 Telesis Controls Corporation Program controlled pin matrix embossing apparatus
JPS6024769A (ja) * 1983-07-20 1985-02-07 Ricoh Co Ltd 中間調画像記録方式
JPS60104351A (ja) * 1983-11-12 1985-06-08 Victor Co Of Japan Ltd 感熱転写記録方法
US4688031A (en) * 1984-03-30 1987-08-18 Wang Laboratories, Inc. Monochromatic representation of color images
JP2539783B2 (ja) * 1984-08-02 1996-10-02 メトロメディア・カンパニ− インクジエツト印刷ヘツドの制御装置
US4638373A (en) * 1985-03-06 1987-01-20 Metromedia, Inc. Method and apparatus for improving gray scale resolution in an ink jet printing system
US4897806A (en) * 1985-06-19 1990-01-30 Pixar Pseudo-random point sampling techniques in computer graphics
DE3641592A1 (de) * 1985-12-06 1987-06-11 Canon Kk Bilddaten-verarbeitungseinrichtung
JPS62177569A (ja) * 1986-01-31 1987-08-04 Toshiba Corp 記録装置
US4758886A (en) * 1986-07-24 1988-07-19 Minnesota Mining And Manufacturing Company Optimal color half-tone patterns for raster-scan images
USH996H (en) 1987-01-20 1991-11-05 Recognition Equipment Incorporated High resolution page image display system
JPH022042A (ja) * 1987-12-18 1990-01-08 Contex Graphic Syst Inc 中間色印字システム
US4920501A (en) * 1988-10-19 1990-04-24 Eastman Kodak Company Digital halftoning with minimum visual modulation patterns
NL8902654A (nl) * 1988-11-24 1990-06-18 Oce Nederland Bv Werkwijze en inrichting voor het verwerken en weergeven van beeldinformatie.
US5170261A (en) * 1990-11-21 1992-12-08 Polaroid Corporation Printing method
US5221971A (en) * 1990-11-21 1993-06-22 Polaroid Corporation Area modulation printing apparatus
DE69231481T2 (de) * 1991-07-10 2001-02-08 Fujitsu Ltd., Kawasaki Bilderzeugungsgerät
US5519415A (en) * 1993-04-30 1996-05-21 Hewlett-Packard Company Encoder-signal timing uncertainty adjusted to improve esthetic quality in bidirectional inkjet printing
US5914731A (en) * 1993-09-30 1999-06-22 Canon Kabushiki Kaisha Data recording using randomized variations to prevent visual artifacts due to non-uniformities in a printing apparatus
JPH07232434A (ja) * 1993-12-28 1995-09-05 Canon Inc 記録方法および記録装置
JPH07322074A (ja) * 1994-05-16 1995-12-08 Internatl Business Mach Corp <Ibm> ディザリングされた２レベル・イメージ・ファイルを処理するためのデータ処理装置および方法
AU2653795A (en) * 1994-05-27 1995-12-21 Lasermaster Corporation Technique for rendering images on a binary marking engine
GB2292649B (en) * 1994-08-24 1998-10-07 Seiko Epson Corp Multiple tonal range image processing system
US5602572A (en) * 1994-08-25 1997-02-11 Minnesota Mining And Manufacturing Company Thinned halftone dot patterns for inkjet printing
JP2820044B2 (ja) * 1994-10-28 1998-11-05 日本電気株式会社 画像形成装置
JP3542685B2 (ja) * 1995-06-27 2004-07-14 セイコーエプソン株式会社 マルチトーンをもつバイナリ画像の圧縮及び復元のための装置及び方法
JP3426851B2 (ja) * 1996-04-30 2003-07-14 大日本スクリーン製造株式会社 多色印刷用網点形成方法
DE69723014D1 (de) * 1996-08-29 2003-07-31 Canon Kk Bildverarbeitungsgerät und -verfahren
JP3969981B2 (ja) * 2000-09-22 2007-09-05 キヤノン株式会社 電子源の駆動方法、駆動回路、電子源および画像形成装置
JP3927388B2 (ja) 2000-09-27 2007-06-06 株式会社リコー 画像処理装置、画像処理方法及び記録媒体
JP3969985B2 (ja) 2000-10-04 2007-09-05 キヤノン株式会社 電子源及び画像形成装置の駆動方法、並びに画像形成装置
JP4322442B2 (ja) 2001-05-18 2009-09-02 株式会社リコー 画像形成装置
JP4111190B2 (ja) * 2004-12-24 2008-07-02 コニカミノルタビジネステクノロジーズ株式会社 画像処理装置
JP4501791B2 (ja) * 2005-06-17 2010-07-14 コニカミノルタビジネステクノロジーズ株式会社 画像処理方法及び画像処理プログラム

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1772367C3 (de) * 1968-05-04 1974-10-31 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren zur gerasterten Reproduktion von Halbtonbildern
US3604846A (en) * 1969-03-03 1971-09-14 Mead Corp Method and system for reconstruction of half-tone images
US3723646A (en) * 1969-03-03 1973-03-27 Mead Corp Apparatus for reconstruction of images
US3689693A (en) * 1970-11-17 1972-09-05 Mead Corp Multiple head ink drop graphic generator
US3806641A (en) * 1971-05-17 1974-04-23 Information Int Inc Method and apparatus for forming halftone images
US3757036A (en) * 1972-04-05 1973-09-04 Eg & G Inc Electrostatic recording method and apparatus

Also Published As

Publication number Publication date
DE2454310A1 (de) 1975-08-07
US4084259A (en) 1978-04-11
BR7409889A (pt) 1976-05-25
IT1023903B (it) 1978-05-30
JPS5087243A (fr) 1975-07-14
GB1489433A (en) 1977-10-19
FR2253338A1 (fr) 1975-06-27

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Legal Events

Date Code Title Description
ST Notification of lapse