Universal multifunctional key for input/output devices

Details Universal multifunctional key for input/output devices Universal multifunctional key for input/output devices

G - Physics

09

G

G09G 5/00 (2006.01)

Patent

CA 2549416

The present invention, as shown in Figure 2, provides multifunctional key (20) adapted to be used in input and output devices. The multifunctional key comprises a touch surface (22) and a display means (32) adjacent to the touch surface wherein the display means is adapted to changeably display signs. Keying in the multi-functional key generates an electronic signal corresponding to the sign currently displayed on the touch surface. The display means is preferably made of LED matrix.

L'invention porte sur une touche multifonctions apte à être utilisée dans les dispositifs d'entrée ou sortie. La touche multifonctions comprend une surface de touche et des moyens d'affichage placés adjacents à la surface de touche, les moyens d'affichage étant aptes à afficher des signes de manière modifiable. Une pression sur la touche multifonctions produit un signal électronique qui correspond au signe affiché à ce moment adjacent à la surface de touche. L'indicateur est de préférence constitué d'une matrice DEL.

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