Method and apparatus for controlling track jump

Method and apparatus for controlling track kick for optical disk

Method and apparatus for correcting the loop gain of a servo loo

Method and apparatus for deciding spherical aberration...

Method and apparatus for detecting position of alternated land a

Method and apparatus for detecting tracking error

Method and apparatus for detecting tracking error signal for opt

Method and apparatus for determining and adjusting an inclinatio

Method and apparatus for determining position of optical...

Method and apparatus for determining position of optical...

Method and apparatus for differing focus between at least...

Method and apparatus for differing focus between at least...

Method and apparatus for driving an electro-optic modulator...

Method and apparatus for driving an optical pickup of an optical

Method and apparatus for effecting at least one of tracking and

Method and apparatus for efficient reading of data from disc...

Method and apparatus for eliminating disturbances encountered du

Method and apparatus for exposing optical disk master

Method and apparatus for focus and tracking in an optical disk s

Method and apparatus for focus control of an optical disk drive