Patent ID: 7542210

Claim:
A head mounted display device, the device comprising: a mount which secures the device near a user's head; a beam-splitter attached to said mount with movement devices, wherein said movement devices displace said beam-splitter about a center of rotation of an eye of the user, and wherein said beam-splitter: reflects at least one output image toward the user's eye, and transmits light incident on said beam-splitter to the user's eye; an image projector, which projects said at least one output image onto said beam-splitter; an eye-tracker which measures the viewing direction of an eye of the user and produces corresponding coordinate information; and at least one processor, in communication with said eye-tracker and said movement devices, which commands said movement devices to reposition said beam-splitter based on said coordinate information, wherein the device further comprises a focusing lens to focus said at least one output image based on the current focal distance of the user's eye.