Patents by Inventor Philip M. DuBois

Philip M. DuBois has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Electronic stereoscopic display
    Patent number: 5933127
    Abstract: An apparatus and method for generating a stereo image that is perceived as a three-dimensional image when viewed through polarizing spectacles having orthogonally polarized lenses. The apparatus includes an illuminator that generates light of variable intensity, a modulator that generates an illumination control signal for controlling the intensity of light emitted by the illuminator, a polarizer for polarizing the light generated by the illuminator, and a distributor for changing the plane of polarization of the polarized light.
    Type: Grant
    Filed: December 5, 1997
    Date of Patent: August 3, 1999
    Assignee: The Rowland Institute for Science
    Inventor: Philip M. DuBois