| 摘要 |
The present invention provides a storage medium having intelligence that has, in one-piece, a storage medium and an electronic circuit, and has communication means with an external apparatus to reduce loads of a main-frame of a system, and that can further manage and control external system equipment, the apparatus communicating information with the electronic circuit, and a system including them. The electronic circuit mounted on the intelligent disk 2 has a contact type or a non-contact type interface as communication means. The contact type interface is connected to an external contact electrically and/or mechanically. The non-contact type interface is connected to an external interface via sound, light, radio waves, or induction. The non-contact type, a plurality of balanced microstrip lines are formed on a rotating medium and a fixed body in concentric circles, they are located so that respective balanced microstrip lines face. The centers of respective balanced microstrip lines coincide with the center of the rotating shaft so that the plurality of balanced microstrip lines of the rotating medium and fixed body respectively keep to face each other in the one-to-one manner, even during the rotating medium rotating. <IMAGE> |
