The present invention provides systems and methods that cast an image into a person's eye from a retinal image system included with a gaming machine. The gaming machine includes a retinal image system located within or about the external cabinet and configured to cast an image toward an eye of a person...http://www.google.com/patents/US20070060390?utm_source=gb-gplus-sharePatent US20070060390 - Gaming machine with scanning 3-D display system