Methods, systems, and products for radio frequency identification aiding the visually impaired, storing a recording of a sound representing at least one attribute of an object having associated with the object a radio frequency identification (“RFID”) tag; activating the RFID tag with an electronic...http://www.google.fr/patents/US20050099307?utm_source=gb-gplus-shareBrevet US20050099307 - Radio frequency identification aiding the visually impaired with sound skins
Radio frequency identification aiding the visually impaired with sound skins
Numéro de demande: 10/703,758 Numéro de publication: US 2005/0099307 A1 Date de dépôt: 6 nov. 2003 Brevet délivré: US6992592 ( Date de délivrance 31 janv. 2006)
