IT8122709A0 - PROCEDURE AND EQUIPMENT FOR THE CLASSIFICATION OF AN ORIGINAL TO BE REPRODUCED LITHOGRAPHICALLY AND THE ADJUSTMENT OF THE COLOR SEPARATION SHADE CURVE. - Google Patents

PROCEDURE AND EQUIPMENT FOR THE CLASSIFICATION OF AN ORIGINAL TO BE REPRODUCED LITHOGRAPHICALLY AND THE ADJUSTMENT OF THE COLOR SEPARATION SHADE CURVE.

Info

Publication number
IT8122709A0
IT8122709A0 IT8122709A IT2270981A IT8122709A0 IT 8122709 A0 IT8122709 A0 IT 8122709A0 IT 8122709 A IT8122709 A IT 8122709A IT 2270981 A IT2270981 A IT 2270981A IT 8122709 A0 IT8122709 A0 IT 8122709A0
Authority
IT
Italy
Prior art keywords
lithographically
reproduced
classification
original
procedure
Prior art date
Application number
IT8122709A
Other languages
Italian (it)
Other versions
IT1137684B (en
Inventor
Ushio Hideki
Akiguchi Hiseo
Kassu Shigeru
Otake Renji
Original Assignee
Dainippon Ink & Chemicals
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 & Chemicals filed Critical Dainippon Ink & Chemicals
Publication of IT8122709A0 publication Critical patent/IT8122709A0/en
Application granted granted Critical
Publication of IT1137684B publication Critical patent/IT1137684B/en

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)
IT22709/81A 1980-07-02 1981-07-02 PROCEDURE AND EQUIPMENT FOR THE CLASSIFICATION OF AN ORIGINAL TO BE REPRODUCED LITHOGRAPHICALLY AND THE ADJUSTMENT OF THE CURVE OF THE COLOR SEPARATION TONE IT1137684B (en)

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 (2)

Publication Number Publication Date
IT8122709A0 true IT8122709A0 (en) 1981-07-02
IT1137684B IT1137684B (en) 1986-09-10

Family

ID=13961141

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22709/81A IT1137684B (en) 1980-07-02 1981-07-02 PROCEDURE AND EQUIPMENT FOR THE CLASSIFICATION OF AN ORIGINAL TO BE REPRODUCED LITHOGRAPHICALLY AND THE ADJUSTMENT OF THE CURVE OF THE COLOR SEPARATION TONE

Country Status (5)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3435538A1 (en) * 1984-09-27 1986-04-03 Robert 6000 Frankfurt Hanus Method for reproducing original documents
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 (en) * 1992-07-23 1994-02-18 Fuji Xerox Co Ltd Picture processing unit
JP3050099B2 (en) * 1995-09-01 2000-06-05 株式会社村田製作所 Dielectric filter and antenna duplexer
DE19751464C2 (en) * 1997-11-20 1999-08-26 Agfa Gevaert Ag Device and method for generating sensitivity values

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1921460C2 (en) * 1969-04-26 1970-12-23 Scheuter Dipl Ing Karl R Device for measuring the information content of an image and the printing quality of a reproduction
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

Also Published As

Publication number Publication date
DE3126165A1 (en) 1982-03-04
FR2486261B1 (en) 1984-05-25
GB2080655B (en) 1984-03-14
FR2486261A1 (en) 1982-01-08
IT1137684B (en) 1986-09-10
GB2080655A (en) 1982-02-03
JPS5714840A (en) 1982-01-26

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