Calling card

Dynamic information storage or retrieval – With particular cabinet structure

Patent

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Details

235487, G11B 702

Patent

active

060162988

ABSTRACT:
A calling card which can be inserted into a conventional CD drive and read. The calling card is centered in a CD drive. Thus, the calling card becomes a calling card CD with a printed upper side, which can be visually detected by an eye, and an underside on which data can be recorded and read by a computer.

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patent: 5107099 (1992-04-01), Smith

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