Signal detection system for use in an optically reproducing appa

Signal detector for an optical information reproducing apparatus

Signal processing apparatus for disc memory devices

Signal reproducing apparatus for optical recording and reproduci

Signal reproducing apparatus providing PLL circuit controlled by

Single digital signal processor to record digital audio data on

Small-sized video or audio pickup device having a beam deflector

Smooth lock-in of servo control when switched on

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