GB1486972A - Producing photographic prints from originals - Google Patents

Producing photographic prints from originals

Info

Publication number
GB1486972A
GB1486972A GB542775A GB542775A GB1486972A GB 1486972 A GB1486972 A GB 1486972A GB 542775 A GB542775 A GB 542775A GB 542775 A GB542775 A GB 542775A GB 1486972 A GB1486972 A GB 1486972A
Authority
GB
United Kingdom
Prior art keywords
class
density
values
original
samples
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
GB542775A
Other languages
English (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.)
Gretag AG
Original Assignee
Gretag AG
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 Gretag AG filed Critical Gretag AG
Publication of GB1486972A publication Critical patent/GB1486972A/en
Expired 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)
GB542775A 1974-02-08 1975-02-07 Producing photographic prints from originals Expired GB1486972A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742406191 DE2406191C2 (de) 1974-02-08 1974-02-08 Verfahren zur Steuerung der Belichtung bei der Herstellung von fotografischen Kopien

Publications (1)

Publication Number Publication Date
GB1486972A true GB1486972A (en) 1977-09-28

Family

ID=5906980

Family Applications (1)

Application Number Title Priority Date Filing Date
GB542775A Expired GB1486972A (en) 1974-02-08 1975-02-07 Producing photographic prints from originals

Country Status (8)

Country Link
JP (1) JPS50130443A (en, 2012)
BE (1) BE825290A (en, 2012)
CA (1) CA1023183A (en, 2012)
CH (1) CH589869A5 (en, 2012)
DE (1) DE2406191C2 (en, 2012)
FR (1) FR2260816B1 (en, 2012)
GB (1) GB1486972A (en, 2012)
NL (1) NL7500802A (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4690548A (en) * 1984-08-31 1987-09-01 Danagraf A/S Method and apparatus for the control of a reproduction camera

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH596573A5 (en, 2012) * 1975-08-14 1978-03-15 Gretag Ag
CH601839A5 (en, 2012) * 1975-11-24 1978-07-14 Gretag Ag
JPS52156624A (en) * 1976-06-22 1977-12-27 Fuji Photo Film Co Ltd Detection of skin color of color film
JPS52156625A (en) * 1976-06-22 1977-12-27 Fuji Photo Film Co Ltd Automatic color printing method utili#ing skin color
DE2822717C2 (de) * 1977-05-25 1986-09-25 Fuji Photo Film Co., Ltd., Minami-Ashigara, Kanagawa Einrichtung zum Korrigieren der Belichtung in einem photographischen Farbkopiergerät
JPS5745564A (en) * 1980-09-02 1982-03-15 Konishiroku Photo Ind Co Ltd Automatic image quality adjuster in copying machine
JPS5763524A (en) * 1980-10-03 1982-04-17 Erutetsuku:Kk Analyzer of negative color film
DE3802681C2 (de) * 1987-01-30 1997-01-09 Fuji Photo Film Co Ltd Verfahren zur Klassifizierung von Farbvorlagen und Vorrichtung hierfür

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1042374B (de) * 1956-10-06 1958-10-30 Karl August Klatte Dr Verfahren zur Herstellung von Farbkopien

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4690548A (en) * 1984-08-31 1987-09-01 Danagraf A/S Method and apparatus for the control of a reproduction camera

Also Published As

Publication number Publication date
JPS50130443A (en, 2012) 1975-10-15
FR2260816A1 (en, 2012) 1975-09-05
BE825290A (fr) 1975-08-07
DE2406191A1 (de) 1975-08-21
CA1023183A (en) 1977-12-27
NL7500802A (nl) 1975-08-12
FR2260816B1 (en, 2012) 1977-04-15
DE2406191C2 (de) 1985-02-28
CH589869A5 (en, 2012) 1977-07-15

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed