A SIM for a mobile station used in a GSM mobile communications system the SIM operating system being adapted to perform data coding format conversion for data items stored in the SIM and transmitted to the mobile station. This ensures that the SIM is able to receive, and present, data items in the required...http://www.google.fr/patents/US6501962?utm_source=gb-gplus-shareBrevet US6501962 - Mobile communications terminal smart card
