Tracking adjustment using the sum of the maximum and minimum tra

Tracking and focus actuator for a holographic optical head

Tracking and focus control system for optical disk apparatus

Tracking and focus digital servo system with write abort

Tracking and focus servo system with a media type boundary...

Tracking and focus servo system with anti-skate algorithm

Tracking and focus servo system with automatic media type...

Tracking and focus servo system with defect detection

Tracking and focus servo system with direction sensor

Tracking and focus servo system with error signal inverse...

Tracking and focus servo system with head load

Tracking and focusing control apparatus in an optical disk...

Tracking and focusing servo driven by comparison of direct curre

Tracking and focussing functions in optical disk apparatus

Tracking and reading system for an optical medium and medium for

Tracking and seeking system for use with an optical record carri

Tracking apparatus for optical disk and tracking method of the s

Tracking apparatus for sampled servo system which performs track

Tracking apparatus having movable and stationary parts

Tracking balance correction apparatus in an optical disc system