Data card and data strip measuring means

Data card that can be used for transactions involving separate c

Data carrier

Data carrier

Data carrier device with test means for testing the access...

Data carrier with disc shaped carrier structure

Data communication system, device for executing IC card...

Data communication systems, identification tags and methods...

Data entry system

Data exchange system with authentication code comparator

Data management method and data management system

Data output controller

Data output controller and data output system using this output

Data processing device for inventory control

Data processing system using IC card

Data reading system in an electric component memory

Data scrambling system and method

Data storage and access systems

Data storage and access systems

Data storage and access systems