Film feeder that reduces film tension

摘要

A film feeder for taking up a film from a film container one frame at a time by rotation of a takeup spool driven by a film feed motor. The film feeder is provided with a film tension control means for actuating the feed motor in the opposite direction to the direction in which the film is fed only by an amount sufficient to relieve the tension of the film while the film is maintained at a predetermined position every time the film is fed for one frame.