Song recording medium for video-song accompaniment and a recordi

Speed control method for recording data on an optical disk

Spherical aberration correcting method and apparatus

Spin motor control in an optical drive

Start ID recording system for use in a digital audio information

Start-control method and circuit for optical disc play-back syst

Stigmatic optical device and an optical recording head equipped

Storage apparatus

Storage device and its drive startup method

Storage medium track pitch detector

Storage medium track pitch detector

Storage medium track pitch detector

Storing plural data records on tape in an entity with an index e

Subcode reading apparatus for a compact disc player

Synchronized disk recording device having speed variation...

Synchronous circuit and optical disk reproduction device capable

System and method for controlling a spin motor

System and method for embedding optical drive compatibility...

System and method for performing a spin motor startup operation

System and method for reading micro-holograms with reduced...