Motion picture camera and cassette system

Details Motion picture camera and cassette system Motion picture camera and cassette system

G - Physics

03

B

G03B 1/60 (2006.01) G03B 1/66 (2006.01) G03B 17/30 (2006.01)

Patent

CA 2314938

A device is disclosed for sensing, exchanging and storing data in a motion picture camera and cassette system comprising at least one motion picture camera and several film cassettes containing an exposed and/or unexposed motion picture film. The film cassettes contain a storage device which stores at least the length of the exposed and/or unexposed motion picture film. The motion picture cameras have a device for exchanging data with the storage device of the film cassettes and sense the exposed length of motion picture film. Changes in the exposed film length are transmitted by the data exchange device of the film camera to the storage device of the film cassettes.

L'invention concerne un dispositif pour la détection, l'échange et la sauvegarde de données dans un système de caméra et cassettes constitué d'au moins une caméra (101, 102) et de plusieurs cassettes de film (201-204) contenant un film de caméra exposé ou non exposé. Les cassettes de film (201-204) contiennent un dispositif de sauvegarde qui sauvegarde au moins la longueur du film de caméra exposé ou non exposé. Les caméras (101, 102) comportent un dispositif servant à échanger des données avec le dispositif de sauvegarde des cassettes de film (201-204) et détectent la longueur exposée du film de caméra. La modification de la longueur de film exposée est transmise au dispositif de sauvegarde des cassettes de film (201-204) par l'intermédiaire du dispositif d'échange de données de la caméra (101, 102).

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