Card compact disc, compact disc interface seat and methods...
CD card
CD card
Compact disc with a disc tray alignment means
Disc device having a magnetic layer overweighing the information
Hermetically sealed disk cartridge with adjustable optical windo
Integral card for protectively enclosing an optical disk and a v
Interactive transaction card
Limited use memory device with associated information
Method and system for rotational control of data storage...
Method of using optical compact disc
Optical disc
Optical disk and recording/reproduction apparatus using the...
Optical disk with a memory chip mounted thereon
Optical information storage disk for use with electronic article
Optical recording/reproducing apparatus having label printer...
Optically readable thin film digital data storage medium
Position detection device, position detection method,...
Rotation responsive disk activation and deactivation mechanisms
Storage medium having electronic circuit, apparatus...