Dual input telescope for multi-beam optical record and playback
Dual layer optical medium having partially reflecting metal allo
Dual layer optical storage medium having partially...
Dual layer optical storage medium having partially...
Dual mode auto-balancer for DVD drives
Dual mode disc player
Dual mode disk player/recorder
Dual mode recording and reproducing apparatus having two recordi
Dual mode recording and reproducing apparatus having two recordi
Dual more recording and reproducing apparatus having two recordi
Dual optical pickup head for accessing both DVD and CD disc
Dual parallelogram cutterhead suspension apparatus
Dual pivot disc drive apparatus and method
Dual player automotive audio system capable of playing back two
Dual shield vertical magneto-optical read head
Dual side disc player having a pickup reversing mechanism
Dual side disc player having separate centering hubs for each si
Dual source audio apparatus with photosensor for detecting a rec
Dual substrate optical recording medium
Dual surface optical memory disc