The present invention relates to an information card with multiple storage media. Combining reading and writing characteristics of magnetic strip storages, ICs, PFIDs and etc. with large storage capacity of a compound printing 2D barcode, the invention uses a base card with a magnetic strip storage medium...http://www.google.com/patents/US20050092844?utm_source=gb-gplus-sharePatent US20050092844 - Information card with multiple storage media and a device and method for reading and writing information in said card
