A portable card adapted to interact with a data processing station when the portable card and the data processing station are moved relative to each other is disclosed. The portable card includes a substrate having a predetermined shape, e.g. rectangular. An accessible embedded storage member is enclosed...http://www.google.ca/patents/US7988061?utm_source=gb-gplus-sharePatent US7988061 - Article having an embedded accessible storage member, apparatus and method for using same
