Servo parameter detection method and optical pickup device...
Servo pattern in an optical data storage medium for obtaining a
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 synch mark processing in a disk drive system
Servo system for a videodisc player carriage assembly
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 gain compensation method for magneto-optic disk dri
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 tracking circuit of an optically writable/readable/erasabl
Servo with digital filter to control gain in a frequency...
Servo writer
Servo-controlled actuator with two-peak flux density distributio