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IT1089568B - Dispositivo di illuminazione per apparecchi per l'ingrandimento fotografico a colori - Google Patents

Dispositivo di illuminazione per apparecchi per l'ingrandimento fotografico a colori

Info

Publication number
IT1089568B
IT1089568B IT04853/77A IT485377A IT1089568B IT 1089568 B IT1089568 B IT 1089568B IT 04853/77 A IT04853/77 A IT 04853/77A IT 485377 A IT485377 A IT 485377A IT 1089568 B IT1089568 B IT 1089568B
Authority
IT
Italy
Prior art keywords
lighting device
color photo
enlargement devices
photo enlargement
devices
Prior art date
Application number
IT04853/77A
Other languages
English (en)
Inventor
Siegfried Barbieri
Original Assignee
Durst Fabbrica Macchine Ed App
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 Durst Fabbrica Macchine Ed App filed Critical Durst Fabbrica Macchine Ed App
Priority to IT04853/77A priority Critical patent/IT1089568B/it
Priority to DE19782834147 priority patent/DE2834147A1/de
Priority to US05/934,697 priority patent/US4189227A/en
Application granted granted Critical
Publication of IT1089568B publication Critical patent/IT1089568B/it

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

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection-Type Copiers In General (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
IT04853/77A 1977-09-20 1977-09-20 Dispositivo di illuminazione per apparecchi per l'ingrandimento fotografico a colori IT1089568B (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT04853/77A IT1089568B (it) 1977-09-20 1977-09-20 Dispositivo di illuminazione per apparecchi per l'ingrandimento fotografico a colori
DE19782834147 DE2834147A1 (de) 1977-09-20 1978-08-03 Beleuchtungseinrichtung fuer ein fotografisches farbvergroesserungs- oder kopiergeraet
US05/934,697 US4189227A (en) 1977-09-20 1978-08-17 Illuminating system for photographic color enlargement or copying

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT04853/77A IT1089568B (it) 1977-09-20 1977-09-20 Dispositivo di illuminazione per apparecchi per l'ingrandimento fotografico a colori

Publications (1)

Publication Number Publication Date
IT1089568B true IT1089568B (it) 1985-06-18

Family

ID=11115072

Family Applications (1)

Application Number Title Priority Date Filing Date
IT04853/77A IT1089568B (it) 1977-09-20 1977-09-20 Dispositivo di illuminazione per apparecchi per l'ingrandimento fotografico a colori

Country Status (3)

Country Link
US (1) US4189227A (it)
DE (1) DE2834147A1 (it)
IT (1) IT1089568B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0612402B2 (ja) * 1985-11-05 1994-02-16 コニカ株式会社 カラー複写機
DE3615284A1 (de) * 1986-05-06 1987-11-12 Koenigk Elektronik Fofotech Vorrichtung und verfahren zur erstellung von farbpositiv-abzuegen
US4746955A (en) * 1986-09-16 1988-05-24 Colorocs Corporation Color filter interpositioning mechanism for color electrophotography
US4905039A (en) * 1988-01-14 1990-02-27 Fuji Photo Film Co., Ltd. Color image exposure apparatus
US5003379A (en) * 1989-10-16 1991-03-26 Eastman Kodak Company Telecine scanning apparatus with spectrally-shifted sensitivities responsive to negative or print film dyes

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3836246A (en) * 1971-09-03 1974-09-17 Itek Corp Image standardizer apparatus
US3797933A (en) * 1972-02-03 1974-03-19 Sable Photo Works Apparatus for making color enlargements
US3784377A (en) * 1972-04-10 1974-01-08 Us Army Curve analysis method in color printing
US3982825A (en) * 1974-10-15 1976-09-28 Photo Systems, Inc. Color filter head for photographic enlargers
US4101216A (en) * 1974-12-13 1978-07-18 Gretag Aktiengesellschaft Method and apparatus for print exposure control
IT1047464B (it) * 1975-03-06 1980-09-10 Durst Ag Dispositivo per la stampa foto grafica di trasparenze a colori
JPS5931056B2 (ja) * 1975-05-15 1984-07-31 直司 西川 カラ−プリントの色補正方法およびカラ−プリントスケ−ル

Also Published As

Publication number Publication date
US4189227A (en) 1980-02-19
DE2834147A1 (de) 1979-03-29

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