Optical disk apparatus having compensation for objective...

Optical disk apparatus having compensation for objective...

Optical disk apparatus having error correction circuit

Optical disk apparatus having improved recording capacity

Optical disk apparatus having improved tracking servo mechanism

Optical disk apparatus having laminated diaphragm springs struct

Optical disk apparatus having optical axis adjusting function

Optical disk apparatus having optimized focus shift mechanism co

Optical disk apparatus having servo parameter setting unit

Optical disk apparatus having tracking control for...

Optical disk apparatus having variable reproduction speed...

Optical disk apparatus including a braking device for frictional

Optical disk apparatus method for compensating recording...

Optical disk apparatus operative with optimal recording power se

Optical disk apparatus performing correction of phase difference

Optical disk apparatus performing data writing test

Optical disk apparatus permitting high-precision Viterbi...

Optical disk apparatus to perform either reproduction or...

Optical disk apparatus using focal shift signals to control...

Optical disk apparatus using mechanism for controlling...