BE771610A - Dispositif de correction de l'exposition utilisable dans une tireuse photographique - Google Patents

Dispositif de correction de l'exposition utilisable dans une tireuse photographique

Info

Publication number
BE771610A
BE771610A BE771610A BE771610A BE771610A BE 771610 A BE771610 A BE 771610A BE 771610 A BE771610 A BE 771610A BE 771610 A BE771610 A BE 771610A BE 771610 A BE771610 A BE 771610A
Authority
BE
Belgium
Prior art keywords
correction device
exposure correction
photographic printer
photographic
printer
Prior art date
Application number
BE771610A
Other languages
English (en)
French (fr)
Inventor
J L King
L O Arrington
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of BE771610A publication Critical patent/BE771610A/xx

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
    • G03B27/80—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus in dependence upon automatic analysis of the original
    • 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)
  • Color Image Communication Systems (AREA)
BE771610A 1970-08-24 1971-08-20 Dispositif de correction de l'exposition utilisable dans une tireuse photographique BE771610A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6629970A 1970-08-24 1970-08-24

Publications (1)

Publication Number Publication Date
BE771610A true BE771610A (fr) 1971-12-31

Family

ID=22068621

Family Applications (1)

Application Number Title Priority Date Filing Date
BE771610A BE771610A (fr) 1970-08-24 1971-08-20 Dispositif de correction de l'exposition utilisable dans une tireuse photographique

Country Status (8)

Country Link
US (1) US3677641A (xx)
JP (1) JPS5529412B1 (xx)
BE (1) BE771610A (xx)
CA (1) CA950730A (xx)
CH (2) CH557043A (xx)
DE (1) DE2142176C3 (xx)
FR (1) FR2105900A5 (xx)
GB (1) GB1366161A (xx)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5832338B2 (ja) * 1975-06-21 1983-07-12 コニカ株式会社 走査型カラ−濃度計
CH596573A5 (xx) * 1975-08-14 1978-03-15 Gretag Ag
DE2551750C3 (de) * 1975-11-18 1979-02-15 Agfa-Gevaert Ag, 5090 Leverkusen Vorbetrachtungsgerät
JPS52156625A (en) * 1976-06-22 1977-12-27 Fuji Photo Film Co Ltd Automatic color printing method utili#ing skin color
JPS5312330A (en) * 1976-07-20 1978-02-03 Fuji Photo Film Co Ltd Color printer and control of its exposure time
DE2640681A1 (de) * 1976-09-09 1978-03-16 Agfa Gevaert Ag Vorrichtung zur messung der transparenz fotografischer kopiervorlagen
EP0001747A1 (de) * 1977-09-23 1979-05-16 ACO-Industriebedarf Gesellschaft m.b.H. Verfahren und Vorrichtung zur Bewertung von Filmnegativen hinsichtlich ihrer Kopierfähigkeit
US4344699A (en) * 1981-06-05 1982-08-17 Log Etronics, Inc. Exposure and contrast determination by prescanning in electronic photoprinting systems
US4459616A (en) * 1981-06-18 1984-07-10 Eastman Kodak Company Apparatus for producing customized prints of still frame television scenes
JPS62189456A (ja) * 1986-02-17 1987-08-19 Fuji Photo Film Co Ltd 主要画像検出方法及びこれを用いた写真焼付露光量決定方法
JPS62298728A (ja) * 1986-06-18 1987-12-25 Fujitsu Ltd 照度測定装置
EP0394249B1 (en) * 1987-06-12 1994-04-20 EASTMAN KODAK COMPANY (a New Jersey corporation) Filter apparatus for use in a photographic printer
US4774549A (en) * 1987-06-12 1988-09-27 Eastman Kodak Company Photographic printer
US4764793A (en) * 1987-06-12 1988-08-16 Eastman Kodak Company Photographic printer
US4945222A (en) * 1987-10-20 1990-07-31 Brother Kogyo Kabushiki Kaisha Light irradiation control device for use in image recording apparatus
US4821073A (en) * 1987-11-19 1989-04-11 Eastman Kodak Company Method and apparatus for measuring characteristics of photographic negatives
US4984013A (en) * 1988-04-26 1991-01-08 Fuji Photo Film Co., Ltd. Method for controlling exposure amount in copying of color originals
US4949901A (en) * 1989-05-11 1990-08-21 Jerome Remien Corporation Self-locking bill accumulator
DE59005903D1 (de) * 1989-09-01 1994-07-07 Gretag Imaging Ag Photoelektrischer Abtaster.
DE59005727D1 (de) * 1989-09-07 1994-06-23 Gretag Ag Photoelektrische Abtastvorrichtung.
EP0433232B1 (de) * 1989-12-13 1994-03-09 Gretag Imaging Ag Fotografisches Farbkopiergerät
JP3507549B2 (ja) * 1994-05-02 2004-03-15 富士写真フイルム株式会社 露光量決定方法
JP3421147B2 (ja) * 1994-11-04 2003-06-30 富士写真フイルム株式会社 露光量決定方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2444675A (en) * 1945-07-19 1948-07-06 Rath Karl Exposure time control for photographic printing apparatus
US2480424A (en) * 1948-09-24 1949-08-30 Simmon Brothers Inc Device for determining optimum conditions for photographic printing processes using two photocells receiving light from two moving beams
US3210468A (en) * 1961-05-04 1965-10-05 Aeroflex Lab Inc High resolution optical film-scanning apparatus
GB1127178A (en) * 1965-12-09 1968-09-11 Paul & Ass Ltd K S Optical scanning system
JPS5221911B2 (xx) * 1972-04-21 1977-06-14

Also Published As

Publication number Publication date
JPS5529412B1 (xx) 1980-08-04
DE2142176B2 (de) 1976-10-07
US3677641A (en) 1972-07-18
CH557043A (fr) 1974-12-13
DE2142176C3 (de) 1979-07-26
CH544321A (fr) 1973-12-28
CA950730A (en) 1974-07-09
FR2105900A5 (xx) 1972-04-28
DE2142176A1 (de) 1972-03-02
GB1366161A (en) 1974-09-11

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: EASTMAN KODAK CY

Effective date: 19860831