IT971138B - Sistema di illuminazione per appa recchi di ingrandimento fotografico a colori e apparecchi simili - Google Patents

Sistema di illuminazione per appa recchi di ingrandimento fotografico a colori e apparecchi simili

Info

Publication number
IT971138B
IT971138B IT31997/72A IT3199772A IT971138B IT 971138 B IT971138 B IT 971138B IT 31997/72 A IT31997/72 A IT 31997/72A IT 3199772 A IT3199772 A IT 3199772A IT 971138 B IT971138 B IT 971138B
Authority
IT
Italy
Prior art keywords
appa
recesses
lighting system
color photographic
similar equipment
Prior art date
Application number
IT31997/72A
Other languages
English (en)
Original Assignee
Berkey Photo Inc
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 Berkey Photo Inc filed Critical Berkey Photo Inc
Application granted granted Critical
Publication of IT971138B publication Critical patent/IT971138B/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)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Projection-Type Copiers In General (AREA)
IT31997/72A 1971-12-14 1972-11-23 Sistema di illuminazione per appa recchi di ingrandimento fotografico a colori e apparecchi simili IT971138B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20799271A 1971-12-14 1971-12-14

Publications (1)

Publication Number Publication Date
IT971138B true IT971138B (it) 1974-04-30

Family

ID=22772801

Family Applications (1)

Application Number Title Priority Date Filing Date
IT31997/72A IT971138B (it) 1971-12-14 1972-11-23 Sistema di illuminazione per appa recchi di ingrandimento fotografico a colori e apparecchi simili

Country Status (6)

Country Link
US (1) US3756712A (it)
JP (1) JPS4866837A (it)
DE (1) DE2258591A1 (it)
FR (1) FR2167030A5 (it)
GB (1) GB1384334A (it)
IT (1) IT971138B (it)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1008638B (it) * 1973-01-13 1976-11-30 Beger R Mirino di illuminazione per appa recchi i ingrandimento fotografico
JPS544984Y2 (it) * 1974-01-25 1979-03-03
US3927941A (en) * 1973-07-03 1975-12-23 Minolta Camera Kk Photographic enlarger mixing box
US3880520A (en) * 1973-11-23 1975-04-29 Berkey Photo Inc Color enlarger and illuminating system therefor
PL91140B1 (it) * 1973-12-17 1977-02-28 Centraine Laboratorium Optykipo
GB1552459A (en) * 1976-07-26 1979-09-12 Durst Uk Ltd Ullumination system for a photographic copying apparatus
US4129372A (en) * 1976-08-17 1978-12-12 Vivitar Corporation Light mixing apparatus and photographic enlarger embodying same
IT1072361B (it) * 1977-02-17 1985-04-10 Durst Fabbrica Macchine Ed App Dispositivo di illuminazione per apparecchi per l'ingrandimento fotografico a colori
US4240738A (en) * 1979-06-14 1980-12-23 Vivitar Corporation Light mixing system for a photographic enlarger
US4274131A (en) * 1979-06-14 1981-06-16 Vivitar Corporation Light diffusing means for a photographic enlarger
IT1120396B (it) * 1979-09-18 1986-03-19 Durst Spa Fabbrica Macchine Ed Dispositivo di filtratura per un ingranditore o riproduttore fotografico
FR2503396A1 (fr) * 1981-04-03 1982-10-08 Kis France Sa Filtre soustractif pour le tirage de film photographique en couleurs
DE3319399A1 (de) * 1983-05-28 1984-11-29 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar Lichtmischkammer fuer ein fotografisches vergroesserungs- oder kopiergeraet
JPH02149933U (it) * 1989-05-24 1990-12-21
DE102005036275A1 (de) * 2005-08-02 2007-02-08 Berchtold Holding Gmbh Operationsleuchte
DE102009053422A1 (de) * 2009-11-19 2011-06-01 Erco Gmbh Linsenelement für eine Lichtquelle u. a.
US10053006B1 (en) * 2017-01-31 2018-08-21 Ford Global Technologies, Llc Illuminated assembly

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1080543A (en) * 1964-08-28 1967-08-23 Pavelle Ltd Improvements in or relating to photographic colour printing apparatus
GB1155655A (en) * 1966-05-06 1969-06-18 Meopta Narodni Podnik Photographic Enlarging Apparatus
US3469914A (en) * 1966-11-04 1969-09-30 Charles Leslie Thomson Enlarger head for use with variable contrast paper

Also Published As

Publication number Publication date
GB1384334A (en) 1975-02-19
DE2258591A1 (de) 1973-06-28
US3756712A (en) 1973-09-04
JPS4866837A (it) 1973-09-13
FR2167030A5 (it) 1973-08-17

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