FR2077023A5 - - Google Patents

Info

Publication number
FR2077023A5
FR2077023A5 FR7102619A FR7102619A FR2077023A5 FR 2077023 A5 FR2077023 A5 FR 2077023A5 FR 7102619 A FR7102619 A FR 7102619A FR 7102619 A FR7102619 A FR 7102619A FR 2077023 A5 FR2077023 A5 FR 2077023A5
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
FR7102619A
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.)
Crosfield Electronics Ltd
Original Assignee
Crosfield Electronics Ltd
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 Crosfield Electronics Ltd filed Critical Crosfield Electronics Ltd
Application granted granted Critical
Publication of FR2077023A5 publication Critical patent/FR2077023A5/fr
Expired 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
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/62—Retouching, i.e. modification of isolated colours only or in isolated picture areas only

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Electrophotography (AREA)
  • Color, Gradation (AREA)
  • Color Image Communication Systems (AREA)
  • Electronic Switches (AREA)
FR7102619A 1970-01-28 1971-01-27 Expired FR2077023A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4147/70A GB1294191A (en) 1970-01-28 1970-01-28 Improvements relating to apparatus for reproducing coloured images

Publications (1)

Publication Number Publication Date
FR2077023A5 true FR2077023A5 (fr) 1971-10-15

Family

ID=9771638

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7102619A Expired FR2077023A5 (fr) 1970-01-28 1971-01-27

Country Status (5)

Country Link
US (1) US3739078A (fr)
JP (1) JPS5437521B1 (fr)
DE (1) DE2103311C3 (fr)
FR (1) FR2077023A5 (fr)
GB (1) GB1294191A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2382033A1 (fr) * 1977-02-26 1978-09-22 Hell Rudolf Gmbh Procede pour le mixage de signaux d'image lors de la realisation d'une forme d'impression
EP0004078A2 (fr) * 1978-03-10 1979-09-19 DR.-ING. RUDOLF HELL GmbH Procédé de correction de la couleur et circuit approprié
FR2441198A1 (fr) * 1978-11-08 1980-06-06 Hell Rudolf Gmbh Procede et installation pour corriger a posteriori les corrections de couleur normalisees pour une inscription d'image en couleur

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1379053A (en) * 1972-04-28 1975-01-02 Crosfield Electronics Ltd Colour scanners for image reproduction
GB1400806A (en) * 1972-12-04 1975-07-23 Crosfield Electronics Ltd Image reproduction systems
GB1449126A (en) * 1972-12-07 1976-09-15 Crosfield Electronics Ltd Image reproducing methods and apparatus
US3848856A (en) * 1973-10-01 1974-11-19 Hazeltine Corp Local correction apparatus for a color previewer
DE2544703C3 (de) * 1975-10-07 1978-04-06 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren und Schaltungsanordnung zum Erkennen von Farben einer farbigen Fläche
US4293872A (en) * 1978-07-24 1981-10-06 Dr.-Ing. Rudolf Hell Gmbh Production of printing blocks or forms
DE2844158C3 (de) 1978-10-10 1981-10-15 Burda Verwaltungs Kg Schutterwald, 7600 Offenburg Verfahren zur Reproduktion von Originalvorlagen welche bezüglich ihres Farbgehaltes nach einem Dreibereichsverfahren abgetastet werden
US4258385A (en) * 1979-05-15 1981-03-24 Combined Logic Company Interactive video production system and method
US4357624A (en) * 1979-05-15 1982-11-02 Combined Logic Company Interactive video production system
DE3313392A1 (de) * 1982-04-14 1983-10-20 Fuji Photo Film Co., Ltd., Minami Ashigara, Kanagawa Verfahren und vorrichtung zur digitalen farbkorrektur
EP0191135B1 (fr) * 1985-02-09 1991-04-17 Dainippon Screen Mfg. Co., Ltd. Procédé et appareil pour la reproduction d'images séparées en couleurs par balayage
GB8514608D0 (en) * 1985-06-10 1985-07-10 Crosfield Electronics Ltd Colour modification in image reproduction systems
US4789892A (en) * 1985-12-23 1988-12-06 Fuji Xerox Co., Ltd. Color adjusting device including matrix-masking circuitry
JPS63187770A (ja) * 1987-01-29 1988-08-03 Toshiba Corp 画像形成装置
US5018085A (en) * 1988-06-16 1991-05-21 Hallmark Cards, Inc. Color printing system usable for reproduction of computer-generated images
US5949556A (en) * 1989-09-04 1999-09-07 Canon Kabushiki Kaisha Image processing suitable for changing the number of colors in an image
JP3456818B2 (ja) * 1996-03-04 2003-10-14 株式会社日立国際電気 色調補正装置
US6396599B1 (en) * 1998-12-21 2002-05-28 Eastman Kodak Company Method and apparatus for modifying a portion of an image in accordance with colorimetric parameters

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2382033A1 (fr) * 1977-02-26 1978-09-22 Hell Rudolf Gmbh Procede pour le mixage de signaux d'image lors de la realisation d'une forme d'impression
EP0004078A2 (fr) * 1978-03-10 1979-09-19 DR.-ING. RUDOLF HELL GmbH Procédé de correction de la couleur et circuit approprié
EP0004078A3 (en) * 1978-03-10 1979-10-17 Dr.-Ing. Rudolf Hell Gmbh Colour correcting method and circuit for carrying it out
FR2441198A1 (fr) * 1978-11-08 1980-06-06 Hell Rudolf Gmbh Procede et installation pour corriger a posteriori les corrections de couleur normalisees pour une inscription d'image en couleur

Also Published As

Publication number Publication date
JPS5437521B1 (fr) 1979-11-15
DE2103311B2 (de) 1980-05-29
DE2103311A1 (de) 1971-08-05
US3739078A (en) 1973-06-12
DE2103311C3 (de) 1981-02-26
GB1294191A (en) 1972-10-25

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Legal Events

Date Code Title Description
ST Notification of lapse