Reading data from, writing data to and storing data in an IC card, utilizing an external Read/Write unit. An IC card (12) is provided. The IC card (12) comprises a rigid substrate (86) and electrical components (88) disposed on the substrate. A card coil (32) is provided about the periphery of the substrate...http://www.google.co.uk/patents/US5451763?utm_source=gb-gplus-sharePatent US5451763 - Personal medical IC card and read/write unit