Method for locating an impact on a surface and device therefor

Details Method for locating an impact on a surface and device therefor Method for locating an impact on a surface and device therefor

G - Physics

01

S

G01S 5/18 (2006.01) G01B 17/00 (2006.01) G06F 3/033 (2006.01) G09G 5/00 (2006.01)

Patent

CA 2489326

The invention concerns a method for locating an impact on a surface (9) forming part of an object (5) forming an acoustic interface, provided with at least an acoustic sensor (6). Said method consists in sensing at least one signal from acoustic waves generated in the object forming an acoustic interface by the impact and locating the impact during a recognition step which consists in comparing the sensed signal with at least a predetermined signal corresponding to the sensed signal when an impact is generated on at least one active zone forming part of the surface of the object forming an acoustic interface, and associating the impact with said active zone if the sensed signal is sufficiently identical to said predetermined signal.

Procédé dans lequel on localise un impact sur une surface (9) appartenant à un objet (5) formant interface acoustique, dote d'au moins un capteur acoustique (6), procédé dans lequel on capte au moins un signal à partir d'ondes acoustiques générées dans l'objet formant interface acoustique par l'impact et on localise l'impact au cours d'une étape de reconnaissance au cours de laquelle on compare le signal capte à au moins un signal prédéterminé correspondant au signal capté lorsqu'on génère un impact sur au moins une zone active appartenant à la surface de l'objet formant interface acoustique, et on associe l'impact à cette zone active si le signal capté est suffisamment voisin dudit signal prédéterminé.

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