Servo error detecting device for optical disk

Servo error detector for optical disk

Servo error signal generation circuit and servo error signal...

Servo method for optical recording medium

Servo phase compensation selection system for an optical disc pl

Servo position adjustment method and servo position...

Servo signal generator for optical disk driving apparatus

Servo signal processing apparatus and optical disk apparatus

Servo system for optical recording/reproducing drive

Servo system for recording and/or reproducing apparatus using a

Servo system for scanning the same track circumference of a spir

Servo system having track crossing detection for an optical...

Servo system in data reading apparatus

Servo system including velocity and phase servo circuits for dig

Servo system responsive to noise and having variable characteris

Servo with digital filter to control gain in a frequency...

Servo-controlled actuator with two-peak flux density distributio

Servo-tracking and three-dimensional alignment in page-based...

Shock-resistant, electrostatically actuated pick-up for optical

Signal calibration and signal generation method