JPS5714840A - Setting up method for automatic color separating machine - Google Patents

Setting up method for automatic color separating machine

Info

Publication number
JPS5714840A
JPS5714840A JP8908980A JP8908980A JPS5714840A JP S5714840 A JPS5714840 A JP S5714840A JP 8908980 A JP8908980 A JP 8908980A JP 8908980 A JP8908980 A JP 8908980A JP S5714840 A JPS5714840 A JP S5714840A
Authority
JP
Japan
Prior art keywords
scanner
density
separating
density distribution
polygon
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.)
Pending
Application number
JP8908980A
Other languages
English (en)
Japanese (ja)
Inventor
Hidemi Ushio
Hisao Akiguchi
Shigeru Kakazu
Kiyoji Otake
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.)
DIC Corp
Original Assignee
Dainippon Ink and Chemicals Co 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 Dainippon Ink and Chemicals Co Ltd filed Critical Dainippon Ink and Chemicals Co Ltd
Priority to JP8908980A priority Critical patent/JPS5714840A/ja
Priority to US06/278,460 priority patent/US4472736A/en
Priority to FR8112957A priority patent/FR2486261A1/fr
Priority to DE19813126165 priority patent/DE3126165A1/de
Priority to GB8120484A priority patent/GB2080655B/en
Priority to IT22709/81A priority patent/IT1137684B/it
Publication of JPS5714840A publication Critical patent/JPS5714840A/ja
Pending 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
    • H04N1/6027—Correction or control of colour gradation or colour contrast
    • 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
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Spectrometry And Color Measurement (AREA)
JP8908980A 1980-03-11 1980-07-02 Setting up method for automatic color separating machine Pending JPS5714840A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP8908980A JPS5714840A (en) 1980-07-02 1980-07-02 Setting up method for automatic color separating machine
US06/278,460 US4472736A (en) 1980-03-11 1981-06-29 Lithographic reproduction original classification and color separation tone curve adjustment
FR8112957A FR2486261A1 (fr) 1980-07-02 1981-07-01 Procede et dispositif pour explorer un original a utiliser en lithographie, procede et dispositif pour etablir et ajuster une courbe de ton de separation des couleurs
DE19813126165 DE3126165A1 (de) 1980-07-02 1981-07-02 Verfahren und vorrichtung zur einteilung eines originals zur lithographischen reproduktion entsprechend seiner dichteverteilung
GB8120484A GB2080655B (en) 1980-07-02 1981-07-02 Lithographic reproduction original classification and colour separation tone curve adjustment
IT22709/81A IT1137684B (it) 1980-07-02 1981-07-02 Procedimento e apparecchiatura per la classificazione di un originale da riprodurre litograficamente e la regolazione della curva della tonalita' di separazione del colore

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8908980A JPS5714840A (en) 1980-07-02 1980-07-02 Setting up method for automatic color separating machine

Publications (1)

Publication Number Publication Date
JPS5714840A true JPS5714840A (en) 1982-01-26

Family

ID=13961141

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8908980A Pending JPS5714840A (en) 1980-03-11 1980-07-02 Setting up method for automatic color separating machine

Country Status (5)

Country Link
JP (1) JPS5714840A (enrdf_load_stackoverflow)
DE (1) DE3126165A1 (enrdf_load_stackoverflow)
FR (1) FR2486261A1 (enrdf_load_stackoverflow)
GB (1) GB2080655B (enrdf_load_stackoverflow)
IT (1) IT1137684B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5831496A (en) * 1995-09-01 1998-11-03 Murata Manufacturing Co., Ltd. Dielectric filter

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3435538A1 (de) * 1984-09-27 1986-04-03 Robert 6000 Frankfurt Hanus Verfahren zur reproduktion von originalvorlagen
EP0352491B1 (en) * 1988-06-30 1996-08-14 Dainippon Screen Mfg. Co., Ltd. Method of generating gradation correction curve for correcting gradation character of image
JPH0646255A (ja) * 1992-07-23 1994-02-18 Fuji Xerox Co Ltd 画像処理装置
DE19751464C2 (de) * 1997-11-20 1999-08-26 Agfa Gevaert Ag Vorrichtung und Verfahren zum Erzeugen von Empfindlichkeitswerten

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1921460C2 (de) * 1969-04-26 1970-12-23 Scheuter Dipl Ing Karl R Einrichtung zur Messung des Informationsgehaltes eines Bildes sowie der Druckguete einer Reproduktion
US3893166A (en) * 1972-01-05 1975-07-01 Crosfield Electronics Ltd Colour correcting image reproducing methods and apparatus
GB1566263A (en) * 1975-09-22 1980-04-30 Toppan Printing Co Ltd Measuring optical characteristic

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5831496A (en) * 1995-09-01 1998-11-03 Murata Manufacturing Co., Ltd. Dielectric filter

Also Published As

Publication number Publication date
IT8122709A0 (it) 1981-07-02
IT1137684B (it) 1986-09-10
GB2080655B (en) 1984-03-14
GB2080655A (en) 1982-02-03
FR2486261B1 (enrdf_load_stackoverflow) 1984-05-25
FR2486261A1 (fr) 1982-01-08
DE3126165A1 (de) 1982-03-04

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