Patents by Inventor Shmuel Roth

Shmuel Roth 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).

  • Publication number: 20040246389
    Abstract: A device to produce a color image, the device including a color filtering arrangement to produce a plurality of primary colors, each primary color having a spectral range, wherein the spectral ranges of at least two of the primary colors overlap significantly.
    Type: Application
    Filed: April 5, 2004
    Publication date: December 9, 2004
    Inventor: Shmuel Roth
  • Publication number: 20040184005
    Abstract: A color projection display device may include SLMs or other panels. One embodiment includes a device for displaying a color image including first and second sequences of temporally-integrateable primary color image components, the device also includes first (209) ans second (206) SLM panels (604, 606), first and second driving circuitry, and first through fourth polarizing beam spitters.
    Type: Application
    Filed: January 8, 2004
    Publication date: September 23, 2004
    Inventor: Shmuel Roth
  • Publication number: 20040174389
    Abstract: A color Liquid Crystal Display (LCD) device for displaying a color image using at least four different primary colors, the device including an array of Liquid Crystal (LC) elements (214), driving circuitry (218) adapted to receive an input corresponding to the color image and to selectively activate the LC elements (214) of the LC array to produce an attenuation pattern corresponding to a gray-level representation of the color image, and an array of color sub-pixel filter elements (216) juxtaposed and in registry with the array of LC elements (214) such that each color sub-pixel filter element is in registry with one of the LC elements, wherein the array of color sub-pixel filter elements comprises at least four types of color sub-pixel filter elements, which transmit light of the at least four primary colors, respectively.
    Type: Application
    Filed: December 11, 2003
    Publication date: September 9, 2004
    Inventors: Ilan Ben-David, Shmuel Roth, Moshe Ben-Chorin