Optically readable carrier and an adapter therefor

摘要

CDs, CD-ROMs, DVDs, optical discs or the like, referred to herein as optically readable carriers, and an adapter therefor, for adapting said optically readable carriers, which may he non-round, for use in a CD, CD-ROM, DVD, optical disc or the like reader, writer or other optically readable carrier handling device. "Smart cards" made from optically readable carriers.