CH601839A5 - - Google Patents

Info

Publication number
CH601839A5
CH601839A5 CH1519775A CH1519775A CH601839A5 CH 601839 A5 CH601839 A5 CH 601839A5 CH 1519775 A CH1519775 A CH 1519775A CH 1519775 A CH1519775 A CH 1519775A CH 601839 A5 CH601839 A5 CH 601839A5
Authority
CH
Switzerland
Application number
CH1519775A
Inventor
Walter Dr Grossmann
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 CH1519775A priority Critical patent/CH601839A5/xx
Priority to DE2652954A priority patent/DE2652954C2/de
Priority to US05/744,342 priority patent/US4099064A/en
Priority to GB49087/76A priority patent/GB1560798A/en
Publication of CH601839A5 publication Critical patent/CH601839A5/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

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
  • Facsimiles In General (AREA)
CH1519775A 1975-11-24 1975-11-24 CH601839A5 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CH1519775A CH601839A5 (ja) 1975-11-24 1975-11-24
DE2652954A DE2652954C2 (de) 1975-11-24 1976-11-22 Vorrichtung zur Voruntersuchung von Kopiervorlagen auf deren Kopierwürdigkeit
US05/744,342 US4099064A (en) 1975-11-24 1976-11-23 Device for pretesting originals to be copied for their copyability
GB49087/76A GB1560798A (en) 1975-11-24 1976-11-24 Device for pretesting originals to be copied for their copyability

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1519775A CH601839A5 (ja) 1975-11-24 1975-11-24

Publications (1)

Publication Number Publication Date
CH601839A5 true CH601839A5 (ja) 1978-07-14

Family

ID=4407168

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1519775A CH601839A5 (ja) 1975-11-24 1975-11-24

Country Status (4)

Country Link
US (1) US4099064A (ja)
CH (1) CH601839A5 (ja)
DE (1) DE2652954C2 (ja)
GB (1) GB1560798A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19536584A1 (de) * 1995-09-29 1997-04-10 Agfa Gevaert Ag Verfahren und Vorrichtung zum Kopieren fotografischer Vorlagen

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2654943C2 (de) * 1976-12-03 1985-10-24 Agfa-Gevaert Ag, 5090 Leverkusen Verfahren und Vorrichtung zur Vorprüfung von zu einem Vorlagenband zusammengefaßten 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
DE2753632C2 (de) * 1977-12-01 1985-08-29 Agfa-Gevaert Ag, 5090 Leverkusen Verfahren und Vorrichtung zum Selektieren von kopierunwürdigen fotografischen Vorlagen
DE2831836A1 (de) * 1978-07-20 1980-02-07 Agfa Gevaert Ag Vorrichtung zur vorpruefung von kopiervorlagen
JPS5756836A (en) * 1980-09-22 1982-04-05 Dainippon Screen Mfg Co Ltd Method and device for correcting anti-reciprocity law in case of color reproduction
JPS60207131A (ja) * 1984-03-30 1985-10-18 Fuji Photo Film Co Ltd プリント不要ネガコマの検出方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3202042A (en) * 1962-08-06 1965-08-24 Jamieson Ballard System for measuring separately background and average line luminance or density
DE2406191C2 (de) * 1974-02-08 1985-02-28 Gretag AG, Regensdorf, Zürich Verfahren zur Steuerung der Belichtung bei der Herstellung von fotografischen Kopien
JPS5913011B2 (ja) * 1974-06-21 1984-03-27 富士写真フイルム株式会社 写真焼付露光量制御方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19536584A1 (de) * 1995-09-29 1997-04-10 Agfa Gevaert Ag Verfahren und Vorrichtung zum Kopieren fotografischer Vorlagen
US5943120A (en) * 1995-09-29 1999-08-24 Agfa-Gevaert Aktiengesellschaft Method and apparatus for making photographic prints from negatives

Also Published As

Publication number Publication date
DE2652954C2 (de) 1986-03-06
US4099064A (en) 1978-07-04
DE2652954A1 (de) 1977-06-02
GB1560798A (en) 1980-02-13

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Legal Events

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PL Patent ceased