CH344898A - Appareil pour la copie photographique - Google Patents

Appareil pour la copie photographique

Info

Publication number
CH344898A
CH344898A CH344898DA CH344898A CH 344898 A CH344898 A CH 344898A CH 344898D A CH344898D A CH 344898DA CH 344898 A CH344898 A CH 344898A
Authority
CH
Switzerland
Prior art keywords
camera
photographic copying
photographic
copying
Prior art date
Application number
Other languages
English (en)
Inventor
Stanley Elphick George
Original Assignee
Rank Cintel Ltd
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 Rank Cintel Ltd filed Critical Rank Cintel Ltd
Publication of CH344898A publication Critical patent/CH344898A/fr

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
    • G03B27/725—Optical projection devices wherein the contrast is controlled electrically (e.g. cathode ray tube masking)

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
CH344898D 1956-08-08 1957-08-08 Appareil pour la copie photographique CH344898A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB344898X 1956-08-08

Publications (1)

Publication Number Publication Date
CH344898A true CH344898A (fr) 1960-02-29

Family

ID=10366285

Family Applications (1)

Application Number Title Priority Date Filing Date
CH344898D CH344898A (fr) 1956-08-08 1957-08-08 Appareil pour la copie photographique

Country Status (1)

Country Link
CH (1) CH344898A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1201170B (de) * 1960-06-17 1965-09-16 Logetronics Inc Fotografisches Geraet zum Kopieren von Vorlagen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1201170B (de) * 1960-06-17 1965-09-16 Logetronics Inc Fotografisches Geraet zum Kopieren von Vorlagen

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