Patents by Inventor Ben-zion Levi

Ben-zion Levi 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).

  • Display device
    Patent number: 6269565
    Abstract: A viewing device for viewing transparencies comprising a display surface; a source of backlighting that backlights the display surface with linearly polarization axis; member for holding a transparency on the display surface;an optical sensor positioned so that it views the display surface; and polarizer, having a polarizer axis, and suituated between the display surface and the optical sensor. The viewing device is configured such that the polarizer axis is functionallu related to the polarization axis of the polarized light; and the polarized is smaller than the display surface.
    Type: Grant
    Filed: June 4, 1997
    Date of Patent: August 7, 2001
    Assignee: Smartlight Ltd.
    Inventors: Dan Inbar, Alex Natanzon, Hanan Wolf, Ben-zion Levi, Eran Shaffir