AT321719B - Hilfsbelichtungseinrichtung für Vergrößerungsgeräte - Google Patents

Hilfsbelichtungseinrichtung für Vergrößerungsgeräte

Info

Publication number
AT321719B
AT321719B AT782272A AT782272A AT321719B AT 321719 B AT321719 B AT 321719B AT 782272 A AT782272 A AT 782272A AT 782272 A AT782272 A AT 782272A AT 321719 B AT321719 B AT 321719B
Authority
AT
Austria
Prior art keywords
enlargers
exposure device
auxiliary exposure
auxiliary
exposure
Prior art date
Application number
AT782272A
Other languages
English (en)
Inventor
Muehloegger Leopold
Original Assignee
Durst A G Bozen Fabrik Fototec
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 A G Bozen Fabrik Fototec filed Critical Durst A G Bozen Fabrik Fototec
Application granted granted Critical
Publication of AT321719B publication Critical patent/AT321719B/de

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)
AT782272A 1972-05-24 1972-09-12 Hilfsbelichtungseinrichtung für Vergrößerungsgeräte AT321719B (de)

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
AT321719B true AT321719B (de) 1975-04-10

Family

ID=11214663

Family Applications (1)

Application Number Title Priority Date Filing Date
AT782272A AT321719B (de) 1972-05-24 1972-09-12 Hilfsbelichtungseinrichtung für Vergrößerungsgeräte

Country Status (3)

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

Cited By (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

Cited By (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
IT955794B (it) 1973-09-29
DE2326305A1 (de) 1973-12-06

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee