Detecting wear through use of information-transmitting devices. At least one information-transmitting wireless device is provided for each of one or more wear positions of an item, wherein each of the devices is adapted for transmitting information to a reader, such that each of the devices can transmit...http://www.google.fr/patents/US7367496?utm_source=gb-gplus-shareBrevet US7367496 - Detecting wear through use of information-transmitting devices
Detecting wear through use of information-transmitting devices