Patents Assigned to Fischbach and Moore, Inc.
  • Patent number: 4268821
    Abstract: A multi-position electromagnetically actuated display element suitable for use in a matrix arrangement to display user-selected messages is disclosed. The element is indexed to display a selected face by energizing one of a plurality of stator coils, the energized coil then attracting a pole of a magnet disposed outwardly of the stator and affixed to the viewing faces. Mounting structures and drive circuitry are disclosed suitable for arranging the element in a matrix display and causing the elements in the matrix to display user-selected messages. Alternative embodiments are disclosed.
    Type: Grant
    Filed: February 1, 1977
    Date of Patent: May 19, 1981
    Assignee: Fischbach and Moore, Inc.
    Inventor: Gregory L. DeSmet