A method for registering biometric information for use in a transponder-reader system is disclosed. The method includes steps of detecting, verifying and storing a proffered biometric sample. During detecting, a sensor detects a proffered biometric to obtain a biometric sample. During the verifying step,...http://www.google.com.au/patents/US7637434?utm_source=gb-gplus-sharePatent US7637434 - Registering a biometric for radio frequency transactions
