Self correcting recording/reproducing apparatus for an optical c

Self-sensing active-damping voice coil

Self-timing optic lathe

Semiconductor integrated circuit incorporating photo detectors

Semiconductor laser device and optical pickup apparatus

Sensing contamination level in an optical storage device

Separation type mono block optical head with tracking control ac

Separation type optical pick-up device

Separation type optical pickup device

Separation-type optical information recording and reproducing ap

Servo accelerator system for optical drives

Servo apparatus for optical disk player having both open loop co

Servo apparatus for tracking and rotational speed control

Servo apparatus of an optical disc having calibration for gain c

Servo apparatus with an expanded pull-in range

Servo apparatus with offset compensation

Servo circuit for a signal reproducing apparatus

Servo circuit for an information recording and/or reproducing ap

Servo circuit for an optical disk information recording and repr

Servo circuit for generating a tracking error signal for optical