Patents Assigned to Dontech Incorporated
  • Computer touch panel filter
    Patent number: 4779025
    Abstract: A computer touch panel filter assembly that absorbs and grounds radiation induced currents. The panel assembly is used in combination with a computer screen having light beams that intersect in front of touchable regions to provide an indication of the location touched when the light beams are interrupted.
    Type: Grant
    Filed: February 20, 1987
    Date of Patent: October 18, 1988
    Assignee: Dontech Incorporated
    Inventors: Richard D. Paynton, Richard D. Paynton, Jr.