IT971662B - Sistema di illuminazione di un apparecchio ingranditore - Google Patents

Sistema di illuminazione di un apparecchio ingranditore

Info

Publication number
IT971662B
IT971662B IT32642/72A IT3264272A IT971662B IT 971662 B IT971662 B IT 971662B IT 32642/72 A IT32642/72 A IT 32642/72A IT 3264272 A IT3264272 A IT 3264272A IT 971662 B IT971662 B IT 971662B
Authority
IT
Italy
Prior art keywords
lighting system
magnifying device
magnifying
lighting
Prior art date
Application number
IT32642/72A
Other languages
English (en)
Original Assignee
Meopta Narodni Podnik
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 Meopta Narodni Podnik filed Critical Meopta Narodni Podnik
Application granted granted Critical
Publication of IT971662B publication Critical patent/IT971662B/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)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Projection Apparatus (AREA)
IT32642/72A 1971-12-10 1972-12-06 Sistema di illuminazione di un apparecchio ingranditore IT971662B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS860271A CS153879B1 (it) 1971-12-10 1971-12-10

Publications (1)

Publication Number Publication Date
IT971662B true IT971662B (it) 1974-05-10

Family

ID=5436810

Family Applications (1)

Application Number Title Priority Date Filing Date
IT32642/72A IT971662B (it) 1971-12-10 1972-12-06 Sistema di illuminazione di un apparecchio ingranditore

Country Status (11)

Country Link
US (1) US3829210A (it)
AT (1) AT336998B (it)
AU (1) AU469819B2 (it)
CS (1) CS153879B1 (it)
DD (1) DD102821A1 (it)
DE (1) DE2259443A1 (it)
FR (1) FR2170428A5 (it)
IT (1) IT971662B (it)
NO (1) NO135802C (it)
PL (1) PL79133B1 (it)
SE (1) SE375630B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1047464B (it) * 1975-03-06 1980-09-10 Durst Ag Dispositivo per la stampa foto grafica di trasparenze a colori
CH597618A5 (it) * 1975-12-02 1978-04-14 Zelacolor Syst
US4194834A (en) * 1975-12-02 1980-03-25 Zelacolor Systems Establishment Unit for reproducing transparent originals, or the like
IT1072361B (it) * 1977-02-17 1985-04-10 Durst Fabbrica Macchine Ed App Dispositivo di illuminazione per apparecchi per l'ingrandimento fotografico a colori
US4190355A (en) * 1978-05-03 1980-02-26 Xerox Corporation Facetted reflector
DE3108894A1 (de) * 1980-03-12 1981-12-24 CIBA-GEIGY AG, 4002 Basel Beleuchtungssystem fuer ein fotografisches kopiergeraet
US4351019A (en) * 1981-06-29 1982-09-21 Xerox Corporation Facetted reflector

Also Published As

Publication number Publication date
AU469819B2 (en) 1976-02-26
AT336998B (de) 1977-06-10
ATA1050272A (de) 1976-09-15
US3829210A (en) 1974-08-13
CS153879B1 (it) 1974-03-29
DE2259443A1 (de) 1973-06-14
DD102821A1 (it) 1973-12-20
NO135802C (it) 1977-06-01
PL79133B1 (it) 1975-06-30
NO135802B (it) 1977-02-21
SE375630B (it) 1975-04-21
FR2170428A5 (it) 1973-09-14
AU4971072A (en) 1974-06-06

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