Patent ID: 6213392
Filing Date: 2001-04-10
Classification: G06K,G06Q,G07F

Abstract:
A card reader/writer which interfaces a host application program with a data storage card having an associated card application, characterised in that:said card reader/writer can respond to said host application program using at least one designated high level language,a plurality of lower level protocol sets are stored which correspond to a plurality of different data storage card applications,said card reader is able to identify from the card the particular card application for any card interfaced to it for which it has a protocol set, and select from its store of protocols the appropriate lower level protocol for the identified card application,said card reader/writer reads and translates high level language commands from the host program to corresponding commands within said established lower level protocol and writes these lower commands to said card,and said card reader/writer reads commands or data in said established lower level protocol from said card translates them to corresponding commands or data in said high level language and writes these commands or data to said host application program.