A robotic camera dolly system includes a motorized dolly which rolls freely across a studio floor under computer control, the dolly carrying a camera. Targets are provided on the floor at various locations from which camera shots are to be taken. The dolly is moved from one target to the vicinity of...http://www.google.com/patents/US4959798?utm_source=gb-gplus-sharePatent US4959798 - Robotic television-camera dolly system