Disc player having a prepit detecting circuit

Disc reading apparatus with disc shoot journaled in frame

Disc recording and/or reproducing apparatus for recording contin

Disc recording/reproducing apparatus having temperature control

Disc reproducing system for compensating mechanical imperfection

Disk apparatus

Disk apparatus having automatic adjustment of adaptive filter eq

Disk apparatus having signal processing unit

Disk apparatus using ferroelectric thin film

Disk drive including disk clamp with non-symmetric engaged...

Disk drive servo system for eccentricity compensation and...

Disk processing apparatus for reproducing information from a...

Disk recording device for overwriting data on a defined...

Disk recording medium, disk manufacturing method, and disk...

Disk recording/reproducing apparatus and disk recording/reproduc

Disk reproducing apparatus having active wide-range PLL device

Disk reproducing circuit with automatic gain control

Disk reproducing method

Disk reproduction apparatus capable of continuously varying a re

Disk storage device having light receiving device located at imp