They patented several significant processes leading up to their film camera , most notably film perforations ( originally implemented by Emile Reynaud ) as a means of advancing the film through the camera and projector .
When their father retired in 1892 the brothers began to create moving pictures .
brothers patented several significant processes leading up to their film camera , most notably film perforations ( originally implemented by Emile Reynaud ) as a means of advancing the film through the camera and projector .
When their father retired in 1892 the brothers began to create moving pictures .