Digital servo circuit generating mirror detecting signal

Digital servo system for obtaining by calculation a control sign

Digital servo system with biased feed-forward

Digital servo system with calibrated notch filters

Digital servo system with error signal integrity testing

Digital servo system with feed-forward control loops

Digital servo system with loop gain calibration

Digital servo system with second order compensator

Digital tracking and focus servo system with TES to FES...

Digital tracking servo system with a multi-track seeking and...

Digital tracking servo system with multi-track seek

Digital tracking servo system with multi-track seek with...

Digital tracking servo system with tracking skate detection

Digitally controlled positioning system for quickly moving and t

Direction-determination logic as for a signal pickup in recorded

Disc apparatus and a method for activating a focusing servo

Disc apparatus for reproducing a signal on a disc using a...

Disc control device

Disc device

Disc discrimination method and apparatus