An authorized sample receiver configured to verify an RF device in response to proffered biometric sample data is disclosed. The authorized sample receiver may be configured to receive data from the RF device and decrypt an encrypted authentication code using a unique device identification code. The...http://www.google.com/patents/US7780091?utm_source=gb-gplus-sharePatent US7780091 - Registering a biometric for radio frequency transactions
Registering a biometric for radio frequency transactions