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...http://www.google.de/patents/US20030035364?utm_source=gb-gplus-sharePatent US20030035364 - Optically readable carrier and an adapter therefor
