A magnetic card reader including a magnetic head, located in a non-secured region, at least one signal path extending from the magnetic head in the non-secured region to a secured region, signal processing circuitry located within the secured region, an obscuring signal injector located within the secured...http://www.google.es/patents/US20080315989?utm_source=gb-gplus-sharePatente US20080315989 - SECURITY FUNCTIONALITY FOR MAGNETIC CARD READERS AND POINT OF SALES DEVICES
SECURITY FUNCTIONALITY FOR MAGNETIC CARD READERS AND POINT OF SALES DEVICES
Número de solicitud: 11/766,457 Número de publicación: US 2008/0315989 A1 Fecha de presentación: 21 Jun 2007 Patente emitida: US7784691 ( Fecha de emisión 31 Ago 2010)
