Apparatus and methods for locating an impact point on a surface of an object. The object is provided with an acoustic sensor that senses the impact from the acoustic waves that are generated when the object is subjected to the impact. The location of the impact on the surface of the object is determined...http://www.google.fr/patents/US7345677?utm_source=gb-gplus-shareBrevet US7345677 - Method for locating an impact on a surface and device therefor
Method for locating an impact on a surface and device therefor