Patents Assigned to Touch Display Systems AB
  • Patent number: 5920365
    Abstract: A display device includes a number of picture segments (2, 3) which are selectively activated (made visible) or non-activated (made non-visible). The picture segments (2, 3) are arranged to form a number of equal picture segment units (1) positioned side-by-side and each comprising a square with an inscribed geometrical figure (2), which by straight or arcuate parts define four identical corner segments (3) of the square, which picture segments are each comprised of the geometrical figure (2) and the four corner segments (3). The geometrical figure may be, for example, a circle, a square or an octagon.
    Type: Grant
    Filed: February 28, 1997
    Date of Patent: July 6, 1999
    Assignee: Touch Display Systems AB
    Inventor: Soren Eriksson
  • Patent number: 4910504
    Abstract: A touch controlled display device has, in one embodiment, two displaying segments disposed on the inside of a front cover window in an LCD unit. Further to causing the segments to display different sign information by providing them with different feeds, they are both utilized as sensing means included in a capacitative sensing circuit which is activable by the finger of an operator.
    Type: Grant
    Filed: January 11, 1988
    Date of Patent: March 20, 1990
    Assignee: Touch Display Systems AB
    Inventor: Soren G. Eriksson