A readily portable imaging system for use in the field and, more particularly to an electronic camera and electronic printer housed and readily connectable with respect to each other in the field, and wherein the electronic printer includes a film unit drive assembly that advances the film unit (self-developing...http://www.google.de/patents/US6795114?utm_source=gb-gplus-sharePatent US6795114 - Film unit drive assembly for a detachable electronic photographic printer and camera
