Matrix optical keyboard

B - Operations – Transporting – 41 – J

Patent

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Details

B41J 5/08 (2006.01) G02F 1/29 (2006.01) G06F 3/03 (2006.01) H03K 17/969 (2006.01)

Patent

CA 2060382

-20- A B R E G E Clavier optique matriciel Un clavier optique matriciel est muni de touches mobiles entre une position relâchée et une position enfoncée, chaque touche comportant des moyens d'interruption pour interrompre, en vu de l'identification de la touche, au moins un faisceau lumineux.Les moyens d'interruption (4) sont agences pour laisser passer ledit faisceau lorsque la touche est en position relâchée ou en position enfoncée, et pour interrompre le faisceau pendant une fraction de la course de la touche entre ses positions relâchée et enfoncée. (Fig. 1)

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