Patent ID: 7901072

Claim:
A personal video display device comprising: a wearable frame containing an image display displaying an image perceptible by the wearer; a mount attached to the wearable frame; a first prism contained in the mount and disposed between the image display and the wearer's eye, the first prism having a first surface facing the image display for receiving the image and a second surface angled relative to the first surface through which the image exits the first prism; and a second prism contained in the mount and disposed between the first prism and the wearer's eye, the second prism having a first surface receiving the image emitted from the second surface of the first prism and a second surface angled relative to the first surface through which the image exits the second prism and is directed to the wearer's eye, the first prism and the second prism being movable relative to each other to alter an angle at which the image exits the second prism and is directed to the wearer's eye.