GB1570773A - Mixing of picture signals in the production of printing surfaces - Google Patents

Mixing of picture signals in the production of printing surfaces Download PDF

Info

Publication number
GB1570773A
GB1570773A GB690878A GB690878A GB1570773A GB 1570773 A GB1570773 A GB 1570773A GB 690878 A GB690878 A GB 690878A GB 690878 A GB690878 A GB 690878A GB 1570773 A GB1570773 A GB 1570773A
Authority
GB
United Kingdom
Prior art keywords
signals
signal
colour
picture
control signal
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
Application number
GB690878A
Other languages
English (en)
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.)
HELL R GmbH
Original Assignee
HELL R GmbH
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 HELL R GmbH filed Critical HELL R GmbH
Publication of GB1570773A publication Critical patent/GB1570773A/en
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
    • H04N1/387—Composing, repositioning or otherwise geometrically modifying originals
    • 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)
  • Studio Circuits (AREA)
  • Color Image Communication Systems (AREA)
  • Fax Reproducing Arrangements (AREA)
GB690878A 1977-02-26 1978-02-21 Mixing of picture signals in the production of printing surfaces Expired GB1570773A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772708421 DE2708421C2 (de) 1977-02-26 1977-02-26 Verfahren zum Mischen von Signalen bei der Druckformherstellung

Publications (1)

Publication Number Publication Date
GB1570773A true GB1570773A (en) 1980-07-09

Family

ID=6002247

Family Applications (1)

Application Number Title Priority Date Filing Date
GB690878A Expired GB1570773A (en) 1977-02-26 1978-02-21 Mixing of picture signals in the production of printing surfaces

Country Status (5)

Country Link
JP (1) JPS541101A (enrdf_load_stackoverflow)
CH (1) CH631270A5 (enrdf_load_stackoverflow)
DE (1) DE2708421C2 (enrdf_load_stackoverflow)
FR (1) FR2382033B1 (enrdf_load_stackoverflow)
GB (1) GB1570773A (enrdf_load_stackoverflow)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2130838A (en) * 1982-11-16 1984-06-06 Dainippon Ink & Chemicals Method and apparatus for forming a combined image signal
GB2157122A (en) * 1982-01-15 1985-10-16 Quantel Ltd Image composition system
GB2157121A (en) * 1982-01-15 1985-10-16 Quantel Ltd Image composition system
US4602286A (en) * 1982-01-15 1986-07-22 Quantel Limited Video processing for composite images
GB2215937A (en) * 1988-03-23 1989-09-27 Benchmark Technologies Analog controlled video mixer
US5175807A (en) * 1986-12-04 1992-12-29 Quantel Limited Video signal processing with added probabilistic dither
US5216755A (en) * 1980-12-04 1993-06-01 Quantel Limited Video image creation system which proportionally mixes previously created image pixel data with currently created data
US5289566A (en) * 1980-12-04 1994-02-22 Quantel, Ltd. Video image creation
US5459529A (en) * 1983-01-10 1995-10-17 Quantel, Ltd. Video processing for composite images

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56152377A (en) * 1980-04-26 1981-11-25 Canon Inc Picture reader
DE3220298A1 (de) * 1981-06-01 1982-12-16 Canon K.K., Tokyo Farbbild-lesegeraet
DE3348092C2 (enrdf_load_stackoverflow) * 1982-01-15 1990-09-13 Quantel Ltd., Newbury, Berkshire, Gb
GB2119600B (en) * 1982-04-14 1986-04-23 Fuji Photo Film Co Ltd Method and apparatus for digital color correction
JPS5955404A (ja) * 1982-09-24 1984-03-30 Nitto Electric Ind Co Ltd カラ−偏光子
JPS5990161A (ja) * 1982-11-16 1984-05-24 Dainippon Ink & Chem Inc 組合せ画像の形成方法及び装置
JPS59133665A (ja) * 1983-01-19 1984-08-01 Dainippon Ink & Chem Inc 組合せ画像の形成方法
JPH0671307B2 (ja) * 1983-03-08 1994-09-07 キヤノン株式会社 カラ−画像形成法
US4682216A (en) * 1983-03-08 1987-07-21 Canon Kabushiki Kaisha Color image picture forming process and apparatus which improves the quality of the black portions of the picture
JPH0614187B2 (ja) * 1984-10-11 1994-02-23 株式会社デイ・エス・スキヤナ− 網点フィルム作成装置
ATE54524T1 (de) * 1986-04-30 1990-07-15 Hell Rudolf Dr Ing Gmbh Verfahren zur aufzeichnung von druckformen.
EP0270259B1 (en) * 1986-12-04 1995-02-01 Quantel Limited Improvements relating to video signal processing systems
DE4107703C2 (de) * 1991-03-09 1994-07-21 Hell Ag Linotype Verfahren und Vorrichtung zur Aufzeichnung gerasterter Bilder
DE4326874C3 (de) * 1993-08-11 1999-11-25 Benecke Kaliko Ag Verfahren zum Gravieren eines Musters in eine Oberfläche eines Werkstücks

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2193869A (en) * 1937-07-09 1940-03-19 Alfred N Goldsmith Television control
US2606245A (en) * 1948-03-10 1952-08-05 Time Inc Unsharp mask in electronic color correction
US2799722A (en) * 1954-04-26 1957-07-16 Adalia Ltd Reproduction with localized corrections
DE1172540B (de) * 1962-05-05 1964-06-18 Hell Rudolf Dr Ing Fa Verfahren zum elektronischen Ineinander-kopieren von Teilen verschiedener Bildvorlagen
US3260952A (en) * 1964-01-21 1966-07-12 Northern Electric Co Fader amplifier comprising variable gain transistor circuits
GB1142384A (en) * 1966-07-20 1969-02-05 Paul & Ass Ltd K S Improvements in or relating to photo-electric scanning and image-modifying equipment
FR1531244A (fr) * 1966-07-20 1968-06-28 K S Paul And Associates Ltd Méthode et dispositif électro-optique pour la reproduction des images
GB1294191A (en) * 1970-01-28 1972-10-25 Crosfield Electronics Ltd Improvements relating to apparatus for reproducing coloured images
DE2226990C3 (de) * 1972-06-02 1976-01-02 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Anordnung zur Verbesserung der Schärfe bei der Aufzeichnung von Halbtonbildern
GB1400806A (en) * 1972-12-04 1975-07-23 Crosfield Electronics Ltd Image reproduction systems

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5216755A (en) * 1980-12-04 1993-06-01 Quantel Limited Video image creation system which proportionally mixes previously created image pixel data with currently created data
US5289566A (en) * 1980-12-04 1994-02-22 Quantel, Ltd. Video image creation
GB2157122A (en) * 1982-01-15 1985-10-16 Quantel Ltd Image composition system
GB2157121A (en) * 1982-01-15 1985-10-16 Quantel Ltd Image composition system
US4602286A (en) * 1982-01-15 1986-07-22 Quantel Limited Video processing for composite images
GB2130838A (en) * 1982-11-16 1984-06-06 Dainippon Ink & Chemicals Method and apparatus for forming a combined image signal
US5459529A (en) * 1983-01-10 1995-10-17 Quantel, Ltd. Video processing for composite images
US5175807A (en) * 1986-12-04 1992-12-29 Quantel Limited Video signal processing with added probabilistic dither
US5404427A (en) * 1986-12-04 1995-04-04 Quantel Limited Video signal processing with added probabilistic dither
GB2215937A (en) * 1988-03-23 1989-09-27 Benchmark Technologies Analog controlled video mixer

Also Published As

Publication number Publication date
DE2708421C2 (de) 1982-01-14
JPS541101A (en) 1979-01-06
JPH0232617B2 (enrdf_load_stackoverflow) 1990-07-23
FR2382033B1 (fr) 1987-02-13
FR2382033A1 (fr) 1978-09-22
DE2708421A1 (de) 1978-08-31
CH631270A5 (en) 1982-07-30

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930221