IT1029258B - Dispositivo di illuminazione so pratutio per ingranditori foto grafici a colori - Google Patents

Dispositivo di illuminazione so pratutio per ingranditori foto grafici a colori

Info

Publication number
IT1029258B
IT1029258B IT04827/75A IT482775A IT1029258B IT 1029258 B IT1029258 B IT 1029258B IT 04827/75 A IT04827/75 A IT 04827/75A IT 482775 A IT482775 A IT 482775A IT 1029258 B IT1029258 B IT 1029258B
Authority
IT
Italy
Prior art keywords
pratutio
magnifiers
photos
lighting device
color graphics
Prior art date
Application number
IT04827/75A
Other languages
English (en)
Inventor
M Gandini
Original Assignee
Durst Spa Fabbrica Macchine Ed
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 Spa Fabbrica Macchine Ed filed Critical Durst Spa Fabbrica Macchine Ed
Priority to IT04827/75A priority Critical patent/IT1029258B/it
Priority to DE2546721A priority patent/DE2546721C3/de
Priority to US05/685,975 priority patent/US4053222A/en
Application granted granted Critical
Publication of IT1029258B publication Critical patent/IT1029258B/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
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/54—Lamp housings; Illuminating means
    • G03B27/545—Lamp housings; Illuminating means for enlargers
    • G03B27/547—Lamp housings; Illuminating means for enlargers colour mixing heads

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
IT04827/75A 1975-05-20 1975-05-20 Dispositivo di illuminazione so pratutio per ingranditori foto grafici a colori IT1029258B (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT04827/75A IT1029258B (it) 1975-05-20 1975-05-20 Dispositivo di illuminazione so pratutio per ingranditori foto grafici a colori
DE2546721A DE2546721C3 (de) 1975-05-20 1975-10-17 Beleuchtungseinrichtung fur Projektionskopiergeräte, insbesondere für fotografische Farbvergrößerungsgeräte
US05/685,975 US4053222A (en) 1975-05-20 1976-05-13 Illuminating apparatus for photographic color enlarger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT04827/75A IT1029258B (it) 1975-05-20 1975-05-20 Dispositivo di illuminazione so pratutio per ingranditori foto grafici a colori

Publications (1)

Publication Number Publication Date
IT1029258B true IT1029258B (it) 1979-03-10

Family

ID=11114469

Family Applications (1)

Application Number Title Priority Date Filing Date
IT04827/75A IT1029258B (it) 1975-05-20 1975-05-20 Dispositivo di illuminazione so pratutio per ingranditori foto grafici a colori

Country Status (3)

Country Link
US (1) US4053222A (it)
DE (1) DE2546721C3 (it)
IT (1) IT1029258B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0033595A1 (en) * 1980-02-05 1981-08-12 James Railton Denner Camera
DE3406191A1 (de) * 1984-02-21 1985-09-26 Schott Glaswerke, 6500 Mainz Anordnung zur ausleuchtung von optischen oder optoelektronischen strukturen
EP0640870B1 (de) * 1993-08-25 1998-07-15 Gretag Imaging Ag Belichtungsstation für ein fotografisches Kopiergerät

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH163572A (de) * 1932-03-22 1933-08-31 Piller Franz Verfahren zum optischen Ausgleich von Teilungsdifferenzen zwischen dem Aufnahme- und dem Kopierfarbraster bei der Herstellung naturfarbiger Bilder.
FR892731A (fr) * 1942-03-23 1944-05-17 Ig Farbenindustrie Ag Dispositif de tirage ou d'agrandissement des images en couleurs
US2997389A (en) * 1957-04-12 1961-08-22 Eastman Kodak Co Exposure control in color printing
US3927941A (en) * 1973-07-03 1975-12-23 Minolta Camera Kk Photographic enlarger mixing box
DE2356573C2 (de) * 1973-11-13 1982-04-01 Agfa-Gevaert Ag, 5090 Leverkusen Beleuchtungseinrichtung für ein Negativ in einem fotografischen Kopiergerät

Also Published As

Publication number Publication date
DE2546721B2 (de) 1977-12-08
DE2546721A1 (de) 1976-12-02
US4053222A (en) 1977-10-11
DE2546721C3 (de) 1978-09-21

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940527