Visual display systems

Details Visual display systems Visual display systems

G - Physics

09

F

G09F 21/04 (2006.01) G09F 9/33 (2006.01)

Patent

CA 2295768

A bicycle wheel (4) is supported by a fork (6) to which a magnet (12) is attached. Attached to one spoke (8) of the wheel (4) is an elongate array (10) comprising sixteen light emitting diodes extending radially of the wheel (4). A controller (16), mounted on the spoke (8) is connected to the array (10) by a cable (18). The controller includes a memory that stores a program for controlling the sequence in which the different LEDs of the array are to be energised. By selecting the timing and energisation of the different LEDs in accordance with a predetermined program, the observer will see an apparently stationary image on the wheel notwithstanding that it is rotating.

La présente invention concerne une roue (4) de bicyclette soutenue par une fourche (6) à laquelle on a fixé un aimant. Un ensemble (10) allongé, fixé à un rayon (8) de la roue, comprend seize diodes électroluminescentes DEL qui s'étendent radialement par rapport à la roue (4). Un dispositif de commande (16), monté sur le rayon (8), est connecté à l'ensemble (10) par un câble (18). Ledit dispositif de commande (16) comprend une mémoire qui stocke un programme destiné à commander la séquence selon laquelle les différentes DEL de l'ensemble sont alimentées en courant. En sélectionnant le temps et l'alimentation en courant des différentes DEL, conformément à un programme déterminé, l'observateur voit une image apparemment fixe sur la roue indépendamment du fait qu'elle tourne.

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