Legal status (The legal status 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 status listed.)
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I G FARBENINDU TRIE AG
Original Assignee
I G FARBENINDU TRIE AG
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Filing date
Publication date
Application filed by I G FARBENINDU TRIE AGfiledCriticalI G FARBENINDU TRIE AG
Application grantedgrantedCritical
Publication of FR892119ApublicationCriticalpatent/FR892119A/fr
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
Landscapes
Physics & Mathematics
(AREA)
Spectroscopy & Molecular Physics
(AREA)
General Physics & Mathematics
(AREA)
FR892119D1942-03-121943-03-11Dispositif destiné à régler la couleur de la lumière pour le tirage des films en couleurs
ExpiredFR892119A
(fr)