Magnetic display device

Details Magnetic display device Magnetic display device

G - Physics

09

F

40/38

G09F 9/30 (2006.01) G09F 9/37 (2006.01)

Patent

CA 1096614

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 attract- ing 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.

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