Device for detecting traveling speed of pickup
Device for detecting traveling speed of pickup
Device for displacing a pickup head in multi-axial directions
Device for driving an objective lens
Device for driving optical system
Device for inspecting the surface of disc-shaped recording mediu
Device for opening and closing a tracking servo loop of an optic
Device for optical recording and read-out of data along a prerec
Device for optically reading optical recording medium
Device for optically tracking information
Device for playing optical discs
Device for processing optical data
Device for reading and/or writing information from/onto an...
Device for reading from and/or writing to optical recording...
Device for reading from or writing to optical recording media
Device for reading optical recording media having improved...
Device for recording and/or reproducing an optical record...
Device for recording or reproducing information on an optical re
Device for reducing cross talk in signal detecting apparatus...
Device for scanning a record carrier