Techniques are disclosed for providing enhanced privacy in an RFID system comprising a plurality of RFID devices, each having an associated identifier, and at least one reader which communicates with one or more of the devices. A blocker device is operative to receive a communication directed from the...http://www.google.es/patents/US20040223481?utm_source=gb-gplus-sharePatente US20040223481 - Method and apparatus for selective blocking of radio frequency identification devices
Method and apparatus for selective blocking of radio frequency ...
Número de solicitud: 10/673,540 Número de publicación: US 2004/0223481 A1 Fecha de presentación: 29 Sep 2003 Patente emitida: US6970070 ( Fecha de emisión 29 Nov 2005)
