GB2169167B - Obtaining monochromatic images from colour originals - Google Patents

Obtaining monochromatic images from colour originals

Info

Publication number
GB2169167B
GB2169167B GB08520720A GB8520720A GB2169167B GB 2169167 B GB2169167 B GB 2169167B GB 08520720 A GB08520720 A GB 08520720A GB 8520720 A GB8520720 A GB 8520720A GB 2169167 B GB2169167 B GB 2169167B
Authority
GB
United Kingdom
Prior art keywords
monochromatic images
obtaining monochromatic
originals
colour
colour originals
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
GB08520720A
Other versions
GB2169167A (en
GB8520720D0 (en
Inventor
Noriyuki Shimano
Shigeo Murakami
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.)
Dainippon Screen Manufacturing Co Ltd
Original Assignee
Dainippon Screen Manufacturing 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 Screen Manufacturing Co Ltd filed Critical Dainippon Screen Manufacturing Co Ltd
Publication of GB8520720D0 publication Critical patent/GB8520720D0/en
Publication of GB2169167A publication Critical patent/GB2169167A/en
Application granted granted Critical
Publication of GB2169167B publication Critical patent/GB2169167B/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
    • H04N1/40—Picture signal circuits
    • H04N1/40056—Circuits for driving or energising particular reading heads or original illumination means
    • 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
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Image Input (AREA)
GB08520720A 1984-12-21 1985-08-19 Obtaining monochromatic images from colour originals Expired GB2169167B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59271217A JPS61148959A (en) 1984-12-21 1984-12-21 Reading method of picture information

Publications (3)

Publication Number Publication Date
GB8520720D0 GB8520720D0 (en) 1985-09-25
GB2169167A GB2169167A (en) 1986-07-02
GB2169167B true GB2169167B (en) 1988-05-18

Family

ID=17496977

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08520720A Expired GB2169167B (en) 1984-12-21 1985-08-19 Obtaining monochromatic images from colour originals

Country Status (3)

Country Link
JP (1) JPS61148959A (en)
DE (1) DE3531339A1 (en)
GB (1) GB2169167B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR920005856B1 (en) * 1988-04-25 1992-07-23 소니 가부시기가이샤 Color picture reading device
JPH0265366A (en) * 1988-08-31 1990-03-06 Fuji Electric Co Ltd Color picture reader
DE4136646A1 (en) * 1991-11-07 1993-05-13 Hell Ag Linotype METHOD FOR SCRATING COLOR DOCUMENTS AND DEVICE FOR CARRYING OUT THE METHOD
DE4331873A1 (en) * 1993-09-21 1995-03-30 Aeg Multi-image camera
JP3423572B2 (en) 1996-06-06 2003-07-07 キヤノン株式会社 Image reading system, its control device, image reading method, and storage medium
WO2006011450A1 (en) 2004-07-29 2006-02-02 Canon Components, Inc. Image reading device and image reading method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5666974A (en) * 1979-11-02 1981-06-05 Canon Inc Picture forming method
US4318122A (en) * 1980-10-06 1982-03-02 International Business Machines Corporation Electronic color separation
JPS57121367A (en) * 1981-01-20 1982-07-28 Canon Inc Method for reading color original
JPS57191638A (en) * 1981-05-22 1982-11-25 Fuji Photo Film Co Ltd Scanning and reading method of plane colored picture
JPS5995769A (en) * 1982-11-25 1984-06-01 Hitachi Ltd Ccd sensor driver
GB2138244B (en) * 1983-04-11 1987-03-11 Fuji Xerox Co Ltd Method and apparatus for reading color image

Also Published As

Publication number Publication date
GB2169167A (en) 1986-07-02
GB8520720D0 (en) 1985-09-25
DE3531339A1 (en) 1986-07-10
DE3531339C2 (en) 1989-07-06
JPS61148959A (en) 1986-07-07

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Legal Events

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

Effective date: 19960819