Device for identifying optical disc type based on density of...

Device for illuminating an auxiliary track of a motion picture f

Device for initializing an optical disc

Device for inputting title of recording medium

Device for inspecting the surface of disc-shaped recording mediu

Device for loading a tray down into a pick up disk player

Device for loading and ejecting a disc in a disc player

Device for locating a desired information track

Device for magnetically guiding movement of a moving body such a

Device for mounting an information carrying disc member

Device for opening and closing a shutter member of a disk cartri

Device for opening and closing a shutter of a disk cartridge

Device for opening and closing a tracking servo loop of an optic

Device for optical reading and magnetic writing on a data carrie

Device for optical recording and read-out of data along a prerec

Device for optically reading digital data from a medium, particu

Device for optically reading optical recording medium

Device for optically scanning a recording medium by focusing the

Device for optically scanning a rotating disc

Device for optically scanning an information carrier