PHOTO-COMPOSITOR

摘要

The photo-compositor includes a projection apparatus for projecting selected transparent letter characters from a strip film font on a light-sensitive photographic emulsion carried on a strip of paper. The paper is threaded along the base of the photo-compositor, and extends from a light-tight cassette through an activating station, then across an exposure station wherein the letter characters of the font are projected upon the emulsion surface to expose and develop the letter characters. Subsequently, the exposed portion of the paper is threaded through a station containing a post-developing bath. Indented wells in the base of the photo-compositor form the activating and post-developing stations and the base is of a thermoplastic material vacuum formed in one piece. The photo-compositor also includes projection elevating means for varying the size of the exposed letter characters by varying the distance between the projection apparatus and the base. The interior surfaces of the cassette over the flat sides of the paper strip are canted to flare toward the center of the sides of the cassette so that these interior surfaces only touch the longitudinal edges of the strip.