Patent ID: 6452660
Filing Date: 2002-09-17
Classification: G03B

Abstract:
A motion picture camera cassette system comprising a motion picture camera, a film cassette containing at least one of an exposed and unexposed motion picture film, and an electronic data-processing device, wherein the electronic data-processing device is selectively connectable to at least one of said motion picture camera and film cassette, wherein the film cassette contains a storage device which stores an initial value representing a length of the at least one of exposed and unexposed motion picture film in the film cassette; the motion picture camera has an exchange device which exchanges data with the storage device of the film cassette; the motion picture camera has a detecting device which detects a length of motion picture film exposed by the camera; the camera has a microprocessor which based upon the initial value of the at least one of exposed and unexposed motion picture film in the film cassette and the amount of exposed film detected by the detector calculates a new value representing the length of the at least one of exposed and unexposed motion picture film in the film cassette; and wherein the data-exchange device of the motion-picture camera transmits the new value representing the length of the at least one of exposed and unexposed film in the film cassette into the storage device of the film cassette.