GB9401004D0 - Colour balance detection - Google Patents

Colour balance detection

Info

Publication number
GB9401004D0
GB9401004D0 GB9401004A GB9401004A GB9401004D0 GB 9401004 D0 GB9401004 D0 GB 9401004D0 GB 9401004 A GB9401004 A GB 9401004A GB 9401004 A GB9401004 A GB 9401004A GB 9401004 D0 GB9401004 D0 GB 9401004D0
Authority
GB
United Kingdom
Prior art keywords
balance detection
colour balance
colour
detection
balance
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.)
Granted
Application number
GB9401004A
Other versions
GB2272538A (en
GB2272538B (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.)
GAN CHIU L
Original Assignee
GAN CHIU L
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 GB909013087A external-priority patent/GB9013087D0/en
Application filed by GAN CHIU L filed Critical GAN CHIU L
Publication of GB9401004D0 publication Critical patent/GB9401004D0/en
Publication of GB2272538A publication Critical patent/GB2272538A/en
Application granted granted Critical
Publication of GB2272538B publication Critical patent/GB2272538B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
    • G03B27/73—Controlling exposure by variation of spectral composition, e.g. multicolor printers
    • G03B27/735—Controlling exposure by variation of spectral composition, e.g. multicolor printers in dependence upon automatic analysis of the original

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
  • Spectrometry And Color Measurement (AREA)
GB9401004A 1990-06-12 1994-01-20 Colour balance detection Expired - Fee Related GB2272538B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909013087A GB9013087D0 (en) 1990-06-12 1990-06-12 Photographic exposure control
GB9111604A GB2245719B (en) 1990-06-12 1991-05-30 Colour image production control

Publications (3)

Publication Number Publication Date
GB9401004D0 true GB9401004D0 (en) 1994-03-16
GB2272538A GB2272538A (en) 1994-05-18
GB2272538B GB2272538B (en) 1994-09-14

Family

ID=26297194

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9111604A Expired - Fee Related GB2245719B (en) 1990-06-12 1991-05-30 Colour image production control
GB9401004A Expired - Fee Related GB2272538B (en) 1990-06-12 1994-01-20 Colour balance detection

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB9111604A Expired - Fee Related GB2245719B (en) 1990-06-12 1991-05-30 Colour image production control

Country Status (1)

Country Link
GB (2) GB2245719B (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6024461B2 (en) * 1976-11-22 1985-06-13 富士写真フイルム株式会社 step tablet
GB2008276B (en) * 1977-09-21 1982-07-14 Kodak Ltd Photographic colour printing
GB1599513A (en) * 1978-01-06 1981-10-07 Kodak Ltd Apparatus for colour reproduction
DE2909336A1 (en) * 1979-03-09 1980-09-18 Agfa Gevaert Ag METHOD AND DEVICE FOR DETECTING FILM VARIETIES
US4492474A (en) * 1982-05-26 1985-01-08 Miller Bertram W Method and apparatus for ascertaining color balance of photographic printing paper
GB2217040A (en) * 1988-04-07 1989-10-18 Terence Mahoney Colour comparison chart for photographs

Also Published As

Publication number Publication date
GB2272538A (en) 1994-05-18
GB2272538B (en) 1994-09-14
GB9111604D0 (en) 1991-07-24
GB2245719A (en) 1992-01-08
GB2245719B (en) 1994-09-14

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Legal Events

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

Effective date: 20050530