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The present invention discloses a system and methods for biometric security using hand geometry recognition biometrics in a transponder-reader system. The biometric security system also includes a hand geometry scan sensor that detects biometric samples and a device for verifying biometric samples.

The present invention discloses a system and methods for biometric security using hand geometry recognition biometrics in a transponder-reader system. The biometric security system also includes a hand geometry scan sensor that detects biometric samples and a device for verifying biometric samples. In one embodiment, the biometric security system includes a transponder configured with a hand geometry scan sensor. In another embodiment, the system includes a reader configured with a hand geometry scan sensor. In yet another embodiment, the present invention discloses methods for proffering and processing hand geometry scan samples to facilitate authorization of transactions.

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What is claimed: 1. A Radio Frequency (RF) payment device comprising: an RF transponder configured to receive a device authentication code from an RF Identification (RFID) reader, wherein the device authentication code is configured to facilitate authentication of the RF payment device; a unique de

What is claimed: 1. A Radio Frequency (RF) payment device comprising: an RF transponder configured to receive a device authentication code from an RF Identification (RFID) reader, wherein the device authentication code is configured to facilitate authentication of the RF payment device; a unique device encryption key corresponding to a device identification code associated with the RF payment device; a voiceprint sensor configured to detect a proffered voiceprint sample to create proffered voiceprint sample data; 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 RF transponder of the RF payment device is configured to transmit a transaction request comprising: the proffered voiceprint sample data, the device identification code associated with the RF payment device, the encrypted device authentication code associated with the RF payment device, and the encrypted device account code to the RFID reader. 2. The RF payment device of claim 1, further comprising a verification device configured to enable the device authentication circuit in response to the proffered voiceprint sample data matching authenticated voiceprint sample data. 3. The RF payment device of claim 2, further comprising a second RF transponder, wherein at least one of the RF transponder or the second RF transponder is configured to transmit an RFID reader authentication code to the RFID reader and receive an encrypted RFID reader authentication code from the RFID reader in response to the proffered voiceprint sample data matching the authenticated voiceprint sample data. 4. The RF payment device of claim 3, further comprising an RFID reader decryption key, wherein the device authentication circuit is configured to use the RFID reader decryption key to decrypt the encrypted RFID reader authentication code received from the RFID reader in order to authenticate the RFID reader. 5. The RF payment device of claim 3, wherein the voiceprint sensor comprises a switch configured to place the first and second RF transponders 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 RF interrogation and interrogation via a USB connector. 6. The RF payment device of claim 3, wherein the voiceprint sensor is configured to store log data within the RF payment device, the log data comprising at least one of detected voiceprint sample data, processed voiceprint sample data or stored voiceprint sample data, and wherein the voiceprint sensor is further configured to employ a security procedure in response to the proffered voiceprint sample data differing from the log data. 7. The RF payment device of claim 1, wherein the voiceprint sensor comprises at least one of an audio capture device, a microphone, a telephone, a cellular phone, or a voice recorder, wherein the voiceprint sensor is configured to detect and verify voiceprint characteristics comprising at least one of voice print waveforms in the time domain, energy content in the voice prints across the frequency domain, stochastic models of the voice print, or template models of the voice print. 8. A method comprising: detecting a proffered voiceprint sample at a voiceprint sensor to create proffered voiceprint sample data using a processor, wherein the proffered voiceprint sample data is registered and used to facilitate a Radio Frequency (RF) transaction; associating the proffered voiceprint sample data with at least one of an RF device, a user identifier, or a transaction account; verifying the proffered voiceprint sample data to activate the RF device and to confirm the proffered voiceprint sample data to create registered voiceprint sample data; receiving a transaction request from the RF device, wherein the transaction request comprises: transaction voiceprint sample data, a device identification code associated with the RF device, an encrypted device authentication code associated with the RF device, and an encrypted device account code associated with the RF device; and authorizing the transaction request to facilitate the RF transaction. 9. The method of claim 8, further comprising associating the registered voiceprint sample data with at least one of personal information, credit card information, debit card information, savings account information, or loyalty point information. 10. The method of claim 9, further comprising associating the registered voiceprint sample data with second user information comprising at least one of personal information, credit card information, debit card information, savings account information, or loyalty point information. 11. The method of claim 8, further comprising facilitating at least one of authorized access, activation of a second device, a financial transaction, or a non-financial transaction in response to the transaction voiceprint sample data matching the registered voiceprint sample data. 12. The method of claim 8, further comprising: transmitting a device authentication code from a sample receiver to the RF device; receiving the encrypted device authentication code, second proffered voiceprint sample data, and the device identification code from the RF device; decrypting the encrypted device authentication code using a unique device decryption key corresponding to the device identification code to create a decrypted device authentication code; and authenticating the RF device in response to the second proffered voiceprint sample data matching the registered voiceprint sample data and in response to the decrypted device authentication code matching the device authentication code. 13. The method of claim 12, further comprising: receiving a reader authentication code from the RF device; encrypting the reader authentication code using a reader encryption key to create an encrypted reader authentication code; transmitting the encrypted reader authentication code to the RF device for authentication of the sample receiver; receiving an encrypted device account code from the RF device upon the authentication of the sample receiver; decrypting the encrypted device account code using the unique device decryption key to create a decrypted device account code; and transmitting the decrypted device account code for processing of the transaction. 14. The method of claim 8, further comprising: receiving an RF device update request comprising at least one of a preloaded value update request or a reload protocol update request; updating, in response to the RF device update request, at least one of a preloaded value data file or a reload protocol data file, wherein the preloaded value data file comprises a stored value; requesting a funding source value from a first funding source and the preloaded value data file, wherein the requesting of the funding source value is in response to an instruction from the reload protocol data file; updating the stored value with the funding source value; and authorizing the merchant transaction request to facilitate the RF transaction, in response to the stored value being greater than the transaction value. 15. The method of claim 14, wherein the reload protocol update request comprises at least one of a minimum depletion value update request, a time period update request, a number of occurrences update request, or a maximum value update request. 16. The method of claim 15, further comprising determining if the RF transaction complies with a preset transaction limitation comprising at least one of a maximum transaction amount, a minimum transaction amount, a maximum number of transactions within a time period value, a maximum number of transactions value, a use by certain merchants criterion, a temporal limitation, or a use of non-monetary funds criterion. 17. The method of claim 16, further comprising requiring second proffered voiceprint sample data to override the preset transaction limitation. 18. An authorized sample receiver (ASR) comprising: a biometric sensor configured to receive a first proffered voiceprint sample to create first proffered voiceprint sample data, wherein the ASR is configured to register voiceprint sample data to facilitate a Radio Frequency (RF) transaction; means for creating registered voiceprint sample data from the first proffered voiceprint sample data in response to second proffered voiceprint sample data associated with an RF device matching the first proffered voiceprint sample data; an RF Identification (RFID) reader configured to receive a transaction request from the RF device, wherein the transaction request comprises: transaction voiceprint sample data, an encrypted device account code, an encrypted device authentication code associated with the RF device, and a device identification code associated with the RF device; and an authentication circuit configured to decrypt the encrypted device account code and the encrypted device authentication code using a unique RF device decryption key corresponding to the device identification code, wherein the authentication circuit is further configured to authenticate the transaction request to facilitate the RF transaction. 19. The ASR of claim 18, further configured to transmit a device authentication code to the RF device, receive the encrypted device authentication code from the RF device, and decrypt the encrypted device authentication code using the unique RF device decryption key to authenticate the RF device. 20. The ASR of claim 19, further configured to receive an ASR authentication code from the RF device, encrypt the ASR authentication code, and transmit the encrypted ASR authentication code to the RF device to facilitate authentication of the ASR.