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G M FILM
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G M FILM
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Publication of FR848365ApublicationCriticalpatent/FR848365A/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
G03B27/73—Controlling exposure by variation of spectral composition, e.g. multicolor printers
Landscapes
Physics & Mathematics
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Spectroscopy & Molecular Physics
(AREA)
General Physics & Mathematics
(AREA)
FR848365D1938-07-091938-07-09Tireuse optique pour l'impression, en repérage, d'images cinématographiques pour films en couleurs
ExpiredFR848365A
(fr)