A device for automatically metering and displaying the footage of delivered film contained in each of a plurality of interchangeable magazines adapted to be mounted on the body of a cinematographic camera comprises, on each magazine, an assembly of coded identification marks peculiar to each magazine....http://www.google.es/patents/US4627695?utm_source=gb-gplus-sharePatente US4627695 - Device for automatically metering and displaying the footage of delivered film contained in each of a plurality of interchangeable magazines adapted to be mounted on the body of a cinematographic camera
Device for automatically metering and displaying the footage of delivered ...
