Methods and apparatus for a smartcard system are provided which securely and conveniently integrate important travel-related applications. In one embodiment, a smartcard system includes a cardholder identification application and various additional applications useful in particular travel contexts; for...http://www.google.com.au/patents/US6101477?utm_source=gb-gplus-sharePatent US6101477 - Methods and apparatus for a travel-related multi-function smartcard
