Patents by Inventor Jonathan Egstad

Jonathan Egstad 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).

  • Illuminated surround and method for operating same for video and other displays
    Patent number: 8026908
    Abstract: In a video or other screen display apparatus, a surround to the actual screen is provided whose light output is variable in order to compensate for the effect of ambient (room) illumination on apparent contrast and chroma of the displayed image. The relationship between ambient light level and the surround illumination is an inverse power function. This provides the effect of making the viewer perceive that the entire room is brighter than it actually is, resulting in a desirable change in his perception of brightness. Thereby, the chromaticity of the surround is variable to allow a match to the calibrated white point of the video display. The apparatus includes an ambient light sensor whose output signal is provided to a control system driving the illuminated surround.
    Type: Grant
    Filed: February 5, 2007
    Date of Patent: September 27, 2011
    Assignee: DreamWorks Animation LLC
    Inventors: Hans Ku, Jonathan Egstad, John Hanashiro, Karl Rasche
  • Illuminated surround and method for operating same for video and other displays
    Publication number: 20080186707
    Abstract: In a video or other screen display apparatus, a surround to the actual screen is provided whose light output is variable in order to compensate for the effect of ambient (room) illumination on apparent contrast and chroma of the displayed image. The relationship between ambient light level and the surround illumination is an inverse power function. This provides the effect of making the viewer perceive that the entire room is brighter than it actually is, resulting in a desirable change in his perception of brightness. Thereby, the chromaticity of the surround is variable to allow a match to the calibrated white point of the video display. The apparatus includes an ambient light sensor whose output signal is provided to a control system driving the illuminated surround.
    Type: Application
    Filed: February 5, 2007
    Publication date: August 7, 2008
    Applicant: DreamWorks Animation LLC
    Inventors: Hans Ku, Jonathan Egstad, John Hanashiro, Karl Rasche