Apparatus for inscribing and/or reading a record carrier

Apparatus for judging optical disk

Apparatus for laser beam exposure of a substrate disc

Apparatus for maintaining a disk and optical head in orthogonal

Apparatus for measuring characteristics of optical disc...

Apparatus for optical pick-up

Apparatus for optically recording and reproducing information

Apparatus for optically recording data into a disc

Apparatus for playing back data read out of data tracks on a rec

Apparatus for playing optical recording media of different recor

Apparatus for playing optical recording medium with combination

Apparatus for positioning an optical head on a destination track

Apparatus for radial tracking in an optical disc drive using...

Apparatus for reading a disk-shaped record carrier

Apparatus for reading a magneto-optical disk

Apparatus for reading an optical data carrier

Apparatus for reading an optically coded disc-shaped record carr

Apparatus for reading and/or writing information from/on a...

Apparatus for reading and/or writing information from/onto...

Apparatus for reading from or writing to optical recording...