JPH0145271B2 - - Google Patents

Info

Publication number
JPH0145271B2
JPH0145271B2 JP56052220A JP5222081A JPH0145271B2 JP H0145271 B2 JPH0145271 B2 JP H0145271B2 JP 56052220 A JP56052220 A JP 56052220A JP 5222081 A JP5222081 A JP 5222081A JP H0145271 B2 JPH0145271 B2 JP H0145271B2
Authority
JP
Japan
Prior art keywords
color
signals
signal
original
amount
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
JP56052220A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57167027A (en
Inventor
Kisaburo Shimura
Tetsuji Yarita
Hironobu Suda
Koji Kobayashi
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.)
Hitachi Denshi KK
Toppan Inc
Original Assignee
Hitachi Denshi KK
Toppan Printing 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 Hitachi Denshi KK, Toppan Printing Co Ltd filed Critical Hitachi Denshi KK
Priority to JP5222081A priority Critical patent/JPS57167027A/ja
Publication of JPS57167027A publication Critical patent/JPS57167027A/ja
Publication of JPH0145271B2 publication Critical patent/JPH0145271B2/ja
Granted 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
    • H04N1/6016—Conversion to subtractive colour signals
    • H04N1/6022—Generating a fourth subtractive colour signal, e.g. under colour removal, black masking

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Image Communication Systems (AREA)
JP5222081A 1981-04-07 1981-04-07 Method and apparatus for correction for image quality in simulation of printed matter Granted JPS57167027A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5222081A JPS57167027A (en) 1981-04-07 1981-04-07 Method and apparatus for correction for image quality in simulation of printed matter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5222081A JPS57167027A (en) 1981-04-07 1981-04-07 Method and apparatus for correction for image quality in simulation of printed matter

Publications (2)

Publication Number Publication Date
JPS57167027A JPS57167027A (en) 1982-10-14
JPH0145271B2 true JPH0145271B2 (de) 1989-10-03

Family

ID=12908660

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5222081A Granted JPS57167027A (en) 1981-04-07 1981-04-07 Method and apparatus for correction for image quality in simulation of printed matter

Country Status (1)

Country Link
JP (1) JPS57167027A (de)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5349503A (en) * 1976-10-18 1978-05-06 Dainippon Screen Mfg Reproduced color indicating method and calculating device for reproduced color indicating apparatus for multiicolor printed matters

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5349503A (en) * 1976-10-18 1978-05-06 Dainippon Screen Mfg Reproduced color indicating method and calculating device for reproduced color indicating apparatus for multiicolor printed matters

Also Published As

Publication number Publication date
JPS57167027A (en) 1982-10-14

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