Display panel and display elements therefor

Details Display panel and display elements therefor Display panel and display elements therefor

G - Physics

09

G

375/52

G09G 3/00 (2006.01) G09F 9/37 (2006.01) G09F 13/04 (2006.01)

Patent

CA 1168772

ABSTRACT OF THE DISCLOSURE A display panel which is provided with a display sur- face structure having a large number of display elements rotatably arranged in a vertical plane. The display elements are each formed by a block member having a plurality of dis- play surfaces of different colors and a plurality of magnetic pieces. One of the magnetic pieces is shorter than the others in a lateral direction. By successive movement of head as- semblies, each comprised of a first erasing head, a second erasing head and a writing head, one or more of the display elements are turned to bring a predetermined one of -their display surfaces to the front of the display surface to erase a display of a character, graph, pattern or the like provided thereon, thereafter bringing a selected one of the display surfaces of a selected display element or elements to the front of the display surface to provide thereon a display of a character, graph, pattern or the like.

380914

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