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Semi automatic film cutter with movable cursor

Image Number 2 for United States Patent #4106685.

A film advancement system for use in a photographic film cutter includes a movable cursor which indicates, by its position, a desired feed length. A cursor position sensor senses the position of the movable cursor with respect to a reference position and provides a feed length signal indicative of the feed length desired. The film is advanced by a distance determined by the feed length signal.

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