Patents Assigned to Indel AB
  • Sign apparatus
    Patent number: 4733486
    Abstract: A sign apparatus includes a sign cabinet with a window (4) inclined towards the observation plane. Inside the window, which is a color filter, there is arranged a panel (5) with electrically driven character elements (7). The angle of inclination (.beta.) of the panel is equal to, or less than, the angle of inclination (.alpha.) of the window. Each character element is formed by obliquely disposed rows of light emitting diodes.
    Type: Grant
    Filed: March 19, 1986
    Date of Patent: March 29, 1988
    Assignee: Indel AB
    Inventor: Sten Gawell