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  • Gaze accurate video conferencing
    Patent number: 8643691
    Abstract: A gaze accurate video conferencing system includes a screen that alternates between a light-scattering state and a substantially transparent state. A camera is positioned behind the screen and is configured to capture images of a user positioned in front of the screen when the screen is in its substantially transparent state. When the screen is in its substantially light-scattering state, a projector projects a display image on the screen.
    Type: Grant
    Filed: May 12, 2008
    Date of Patent: February 4, 2014
    Assignee: Microsoft Corporation
    Inventors: Dan Rosenfeld, John Michael Lutian