GB2061060B - Colour separation signals masking circuit for colour printer previewer - Google Patents

Colour separation signals masking circuit for colour printer previewer

Info

Publication number
GB2061060B
GB2061060B GB8037146A GB8037146A GB2061060B GB 2061060 B GB2061060 B GB 2061060B GB 8037146 A GB8037146 A GB 8037146A GB 8037146 A GB8037146 A GB 8037146A GB 2061060 B GB2061060 B GB 2061060B
Authority
GB
United Kingdom
Prior art keywords
colour
previewer
masking circuit
separation signals
printer
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
GB8037146A
Other languages
English (en)
Other versions
GB2061060A (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.)
Toppan Inc
Original Assignee
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
Priority claimed from JP434878A external-priority patent/JPS5498121A/ja
Priority claimed from JP53022054A external-priority patent/JPS5947917B2/ja
Application filed by Toppan Printing Co Ltd filed Critical Toppan Printing Co Ltd
Publication of GB2061060A publication Critical patent/GB2061060A/en
Application granted granted Critical
Publication of GB2061060B publication Critical patent/GB2061060B/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
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/6011—Colour correction or control with simulation on a subsidiary picture reproducer
GB8037146A 1978-01-20 1979-01-18 Colour separation signals masking circuit for colour printer previewer Expired GB2061060B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP434878A JPS5498121A (en) 1978-01-20 1978-01-20 Color correcting unit
JP53022054A JPS5947917B2 (ja) 1978-03-01 1978-03-01 面順次記録方式

Publications (2)

Publication Number Publication Date
GB2061060A GB2061060A (en) 1981-05-07
GB2061060B true GB2061060B (en) 1982-09-02

Family

ID=26338095

Family Applications (3)

Application Number Title Priority Date Filing Date
GB7901871A Expired GB2022352B (en) 1978-01-20 1979-01-18 Colour printing process previewer
GB8037147A Expired GB2061061B (en) 1978-01-20 1979-01-18 Correcting colour signals for colour printer previewer
GB8037146A Expired GB2061060B (en) 1978-01-20 1979-01-18 Colour separation signals masking circuit for colour printer previewer

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GB7901871A Expired GB2022352B (en) 1978-01-20 1979-01-18 Colour printing process previewer
GB8037147A Expired GB2061061B (en) 1978-01-20 1979-01-18 Correcting colour signals for colour printer previewer

Country Status (4)

Country Link
CH (1) CH633139A5 (de)
DE (2) DE2953088C2 (de)
GB (3) GB2022352B (de)
NL (1) NL7900451A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5694228A (en) * 1979-12-28 1981-07-30 Dainippon Screen Mfg Co Ltd Color separation simulation device
DE3280288D1 (de) * 1981-07-14 1991-02-14 Dainippon Printing Co Ltd Video-aufzeichnungsgeraet.
US4745466A (en) * 1983-03-06 1988-05-17 Canon Kabushiki Kaisha Digital color image processing apparatus with color masking processing unit addressed by a plurality of multi-bit color component signals using various combinations of the bits of the signals

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2123666A (en) 1936-06-09 1938-07-12 Albert S Samuels Company Finger ring
DE1074399B (de) 1956-11-23 1960-01-28 Miehle Goss Dexter Inc Chi cago 111 (V St A) Vcrtr Dr P Jumus Pat Anw Hannover Waldhausen Verfahren und Einrichtung zur photo mechanisch elektrischen Herstellung von korrigierten Farbauszügen
US2976348A (en) 1957-05-28 1961-03-21 Hazeltine Research Inc Electronic previewer for simulating image produced by photochemical processing
US2981792A (en) 1957-10-31 1961-04-25 Fairchild Camera Instr Co Color correction computer for engraving machines
DE1053311B (de) * 1958-02-11 1959-03-19 Hell Rudolf Dr Ing Fa Verfahren und Vorrichtung zur elektronischen Farbkorrektur
US3131252A (en) * 1961-06-05 1964-04-28 Hazeltine Research Inc Electronic previewer for the graphic arts
DE1597771C3 (de) * 1967-07-22 1978-09-07 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren zur Herstellung von korrigierten Farbauszugssignalen und Farbauszügen
JPS5438921B2 (de) * 1974-05-31 1979-11-24
DE2607623B2 (de) * 1976-02-25 1978-12-21 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Farbwertbeurteilungsgerät

Also Published As

Publication number Publication date
CH633139A5 (fr) 1982-11-15
GB2061060A (en) 1981-05-07
DE2953088C2 (de) 1987-08-27
GB2061061B (en) 1982-08-11
DE2902245C3 (de) 1985-08-22
DE2902245A1 (de) 1979-07-26
GB2061061A (en) 1981-05-07
GB2022352B (en) 1982-07-28
DE2902245B2 (de) 1981-06-25
GB2022352A (en) 1979-12-12
NL7900451A (nl) 1979-07-24

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Legal Events

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

Effective date: 19950118