A transponder-reader transaction completion system includes a Radio Frequency (RF) operable reader for interrogating a RF operable transaction device via RF communication, wherein the transaction device is operable to provide an account number in ISO/IEC 7816 magnetic stripe Track1/Track 2 format to...http://www.google.de/patents/US7639116?utm_source=gb-gplus-sharePatent US7639116 - Converting account data associated with a radio frequency device
