Patents by Inventor Jim W. Ellis

Jim W. Ellis 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).

  • Projector with sealed light valve
    Patent number: 7152979
    Abstract: A projector incorporating a prism and a plurality of light valves for modulating light that passes through the prism, wherein a dust-sealed airspace is provided between an imaging surface of each light valve and the prism for providing air channels to cool respective ones of the light valves.
    Type: Grant
    Filed: August 14, 2003
    Date of Patent: December 26, 2006
    Assignee: Christie Digital Systems, Inc.
    Inventors: Jim W. Ellis, Richard Matthews, Lloyd F. Holland, George P. Pinho