Patent ID: 8284025
Filing Date: 2012-10-09
Classification: G06Q,G07C,H04L,H04W

Abstract:
1. A Radio Frequency (RF) payment device comprising: a first and second RF transponder configured to receive a device authentication code from an RF Identification (RFID) reader; a unique device encryption key corresponding to a device identification code associated with the RF payment device; an auditory scan sensor configured to detect a proffered auditory scan sample to create proffered auditory scan sample data, wherein the auditory scan sensor is configured to detect a false auditory emissions scan based on auditory scan characteristics; and a device authentication circuit configured to use the unique device encryption key to encrypt the device authentication code and a device account code associated with the RF payment device to create an encrypted device authentication code and an encrypted device account code; wherein the first and the second RF transponder is configured to transmit at least one of the encrypted device authentication code and the encrypted device account code to the RFID reader, and wherein the auditory scan sensor comprises a switch configured to place the first RF transponder and the second RF transponder in at least one of a selectivity mode or an inclusivity mode, wherein the selectivity mode includes enabling purchase of an item using a selected account number and the inclusivity mode includes the first and second RF transponders in an operational mode permitting the first and second RF transponders to be responsive to interrogation.