Optical disk capable of recording information on both land and g

Optical disk capable of storing information data at difference c

Optical disk carrier with write-protect mechanism

Optical disk carrying tracking information in multiple formats a

Optical disk cartridge

Optical disk cartridge

Optical disk cartridge

Optical disk cartridge

Optical disk cartridge

Optical disk cartridge and an optical disk drive using the same

Optical disk cartridge and cooperating apparatus

Optical disk cartridge assembly

Optical disk cartridge assembly

Optical disk cartridge handling apparatus

Optical disk cartridge handling apparatus

Optical disk cartridge handling apparatus with passive cartridge

Optical disk cartridge having disk thickness sample plate

Optical disk cartridge insertion apparatus for an optical disk s

Optical disk case assembly

Optical disk changer system and method of managing optical disk