CH610673A5 - - Google Patents

Info

Publication number
CH610673A5
CH610673A5 CH118277A CH118277A CH610673A5 CH 610673 A5 CH610673 A5 CH 610673A5 CH 118277 A CH118277 A CH 118277A CH 118277 A CH118277 A CH 118277A CH 610673 A5 CH610673 A5 CH 610673A5
Authority
CH
Switzerland
Application number
CH118277A
Inventor
Armin Dr Meyer
Joerg Mueller
Bruno Braendli
Robert Wahli
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
Priority to CH118277A priority Critical patent/CH610673A5/xx
Priority to GB3075/78A priority patent/GB1553199A/en
Priority to US05/872,924 priority patent/US4150894A/en
Priority to DE19782803866 priority patent/DE2803866A1/de
Priority to IT4785478A priority patent/IT1155805B/it
Priority to JP937078A priority patent/JPS5396830A/ja
Publication of CH610673A5 publication Critical patent/CH610673A5/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
    • G03B27/73—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)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Projection-Type Copiers In General (AREA)
CH118277A 1977-02-01 1977-02-01 CH610673A5 (xx)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH118277A CH610673A5 (xx) 1977-02-01 1977-02-01
GB3075/78A GB1553199A (en) 1977-02-01 1978-01-25 Exposure control system for photographic colour printers
US05/872,924 US4150894A (en) 1977-02-01 1978-01-27 Exposure control system for color printers
DE19782803866 DE2803866A1 (de) 1977-02-01 1978-01-30 Belichtungssteuerung fuer fotografische farbkopiergeraete
IT4785478A IT1155805B (it) 1977-02-01 1978-01-31 Circuito di comando dei valori di esposizione per apparecchi di riproduzione fotografici a colori
JP937078A JPS5396830A (en) 1977-02-01 1978-02-01 Exposure control device for color printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH118277A CH610673A5 (xx) 1977-02-01 1977-02-01

Publications (1)

Publication Number Publication Date
CH610673A5 true CH610673A5 (xx) 1979-04-30

Family

ID=4204411

Family Applications (1)

Application Number Title Priority Date Filing Date
CH118277A CH610673A5 (xx) 1977-02-01 1977-02-01

Country Status (5)

Country Link
US (1) US4150894A (xx)
JP (1) JPS5396830A (xx)
CH (1) CH610673A5 (xx)
DE (1) DE2803866A1 (xx)
GB (1) GB1553199A (xx)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2749721C2 (de) * 1977-11-07 1984-12-06 Agfa-Gevaert Ag, 5090 Leverkusen Verfahren und Vorrichtung zur Berücksichtigung der Eigenheiten der verschiedenen Filmsorten beim Farbkopieren
US4235551A (en) * 1978-02-27 1980-11-25 Pako Corporation Photographic printer with preset correction buttons
US4279502A (en) * 1978-09-15 1981-07-21 Agfa-Gevaert, A.G. Method of and apparatus for determining the copying light amounts for copying from color originals
DE2909336A1 (de) 1979-03-09 1980-09-18 Agfa Gevaert Ag Verfahren und vorrichtung zur erkennung von filmsorten
US4291972A (en) * 1979-03-23 1981-09-29 Pako Corporation Photographic reprint system with large print quantity verification
US4264194A (en) * 1979-03-23 1981-04-28 Pako Corporation Photographic reprint system with reprint neghold indication
US4264197A (en) * 1979-03-23 1981-04-28 Pako Corporation Photographic reprint system with dual indicia sensor for synchronization recovery
US4294537A (en) * 1979-03-23 1981-10-13 Pako Corporation Photographic reprint system with information display
JPS5614230A (en) * 1979-07-13 1981-02-12 Oriental Shashin Kogyo Kk Color correcting device of light source for printing of color printer
US4260244A (en) * 1980-01-07 1981-04-07 Pako Corporation Photographic reprint system with film size code comparison
US4318613A (en) * 1980-04-10 1982-03-09 The Nuarc Company, Inc. Universal light integrator/timer for photographic equipment
JPS57157235A (en) * 1981-03-23 1982-09-28 Fuji Photo Film Co Ltd Control method for condition of photographic printing
JPS57208422A (en) * 1981-06-18 1982-12-21 Fuji Photo Film Co Ltd Hue judging device
JPS5848054A (ja) * 1981-09-17 1983-03-19 Kotobuki Seihan Insatsu Kk オフセツト印刷用ｐｓ版の種類識別方式
NL8204260A (nl) * 1982-11-03 1984-06-01 Oce Nederland Bv Meetinrichting voor het meten van de optische dichtheid van zowel de ondergrond als van de beeldpartijen in een orgineel.
CH651665A5 (fr) * 1983-01-10 1985-09-30 Lamere Jean Claude Procede pour reproduire au moins une surface coloree et dispositif pour la mise en oeuvre de ce procede.
JPS59224861A (ja) * 1983-06-06 1984-12-17 Canon Inc カラ−複写機
US4829371A (en) * 1985-03-23 1989-05-09 Canon Kabushiki Kaisha Film reading apparatus which reads an unexposed portion of a film to determine its type
JPH0781913B2 (ja) * 1985-06-20 1995-09-06 株式会社ジエムコ 写真用ネガカラ−フイルムの濃度・分光測定方法
DE3850974D1 (de) * 1987-10-15 1994-09-08 Gretag Imaging Ag Belichtungssteuerungsverfahren für ein fotografisches Farbkopiergerät.
JPH0760254B2 (ja) * 1987-10-30 1995-06-28 富士写真フイルム株式会社 露光条件データの入力方法
DE3737775C2 (de) * 1987-11-06 1997-05-07 Agfa Gevaert Ag Verfahren und Vorrichtung zur Messung der Dichtewerte einer Kopiervorlage
DE3740103A1 (de) * 1987-11-26 1989-06-08 Stein Ritter Von Werner Verfahren zur steuerung der belichtung in hochleistungsprintern
US4931831A (en) * 1987-12-11 1990-06-05 Ciba-Geigy Corporation Photographic copying and enlarging apparatus
DE58905761D1 (de) * 1988-09-23 1993-11-04 Gretag Imaging Ag Belichtungssteuerungsverfahren und fotografisches farbkopiergeraet.
US5053808A (en) * 1988-09-28 1991-10-01 Fuji Photo Film Co., Ltd. Image forming apparatus
JP2863674B2 (ja) * 1992-09-14 1999-03-03 富士写真フイルム株式会社 画像形成装置
GB9401392D0 (en) * 1994-01-25 1994-03-23 Kodak Ltd Identification of image-forming material type
CH690204A5 (de) * 1994-02-16 2000-05-31 Agfa Gevaert Ag Verfahren und Vorrichtung zur Herstellung von Kopien von Kopiervorlagen für hohe Qualitätsanforderungen.
JP2001100328A (ja) * 1999-09-02 2001-04-13 Eastman Kodak Co フィルムタイプの自動検出機能を有するスキャナー

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1070882A (en) * 1965-01-04 1967-06-07 Ilford Ltd Photographic colour printers and processes
CH458924A (de) * 1966-05-04 1968-06-30 Ciba Geigy Vorrichtung zur Steuerung der Belichtung in photographischen Kopiergeräten für Mehrfarbenbelichtung
US3724947A (en) * 1968-06-26 1973-04-03 Agfa Gevaert Ag Appratus for determination of exposure values for color printing
JPS562691B2 (xx) * 1972-05-25 1981-01-21
JPS5531450B2 (xx) * 1972-08-25 1980-08-18

Also Published As

Publication number Publication date
US4150894A (en) 1979-04-24
GB1553199A (en) 1979-09-26
DE2803866A1 (de) 1978-08-03
JPS5396830A (en) 1978-08-24

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Legal Events

Date Code Title Description
PL Patent ceased