A card type storage medium which can solve inconvenience to owners of the card type storage medium upon PIN verification or data restoration, and a card type storage medium issuing apparatus which issues such card type storage medium. The card type storage medium comprises a storage unit holding a file...http://www.google.com.au/patents/US5563395?utm_source=gb-gplus-sharePatent US5563395 - Card type storage medium and card type storage medium issuing apparatus
