IT955794B - Dispositivo di pre esposizione per apparecchi di ingrandimento - Google Patents

Dispositivo di pre esposizione per apparecchi di ingrandimento

Info

Publication number
IT955794B
IT955794B IT2476572A IT2476572A IT955794B IT 955794 B IT955794 B IT 955794B IT 2476572 A IT2476572 A IT 2476572A IT 2476572 A IT2476572 A IT 2476572A IT 955794 B IT955794 B IT 955794B
Authority
IT
Italy
Prior art keywords
exposure device
magnifying equipment
magnifying
equipment
exposure
Prior art date
Application number
IT2476572A
Other languages
English (en)
Italian (it)
Inventor
L Muhlogger
Original Assignee
Durst 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 Durst Ag filed Critical Durst Ag
Priority to IT2476572A priority Critical patent/IT955794B/it
Priority to AT782272A priority patent/AT321719B/de
Priority to DE19732326305 priority patent/DE2326305A1/de
Application granted granted Critical
Publication of IT955794B publication Critical patent/IT955794B/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
    • G03B27/727—Optical projection devices wherein the contrast is controlled optically (e.g. uniform exposure, two colour exposure on variable contrast sensitive material)

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
IT2476572A 1972-05-24 1972-05-24 Dispositivo di pre esposizione per apparecchi di ingrandimento IT955794B (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT2476572A IT955794B (it) 1972-05-24 1972-05-24 Dispositivo di pre esposizione per apparecchi di ingrandimento
AT782272A AT321719B (de) 1972-05-24 1972-09-12 Hilfsbelichtungseinrichtung für Vergrößerungsgeräte
DE19732326305 DE2326305A1 (de) 1972-05-24 1973-05-23 Hilfsbelichtungseinrichtung fuer vergroesserungsgeraete

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2476572A IT955794B (it) 1972-05-24 1972-05-24 Dispositivo di pre esposizione per apparecchi di ingrandimento

Publications (1)

Publication Number Publication Date
IT955794B true IT955794B (it) 1973-09-29

Family

ID=11214663

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2476572A IT955794B (it) 1972-05-24 1972-05-24 Dispositivo di pre esposizione per apparecchi di ingrandimento

Country Status (3)

Country Link
AT (1) AT321719B (de)
DE (1) DE2326305A1 (de)
IT (1) IT955794B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0278599A3 (de) * 1987-02-02 1988-12-07 Seiko Epson Corporation Photographisches Bilderzeugungsgerät des Übertragungstyps

Also Published As

Publication number Publication date
AT321719B (de) 1975-04-10
DE2326305A1 (de) 1973-12-06

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