Operation changeover mechanism

Optical disc drive

Optical disc drive

Optical disc player

Optical disc reading apparatus

Optical disc recording apparatus

Optical disk apparatus and medium carrier and medium turntable f

Optical disk apparatus for using multiple types of disks

Optical disk apparatus with opposing protective protrusions

Optical disk cartridge and an optical disk drive using the same

Optical disk control mechanism

Optical disk drive apparatus

Optical disk drive protection device

Optical disk recording and reproducing apparatus

Optical disk recording/playback device with means to recognize,

Optical disk recording/reproducing apparatus

Optical memory apparatus having turn table unit mounted by a...

Optical storage device and cartridge loading mechanism

Orientation of drive mechanics to allow for disc loading in...