Optical reproducing device and optical memory medium
Optical storage device having a sector mark detecting circuit
Optical storage medium, optical read/write apparatus, and...
Optically readable record carrier with track undulations for pro
Output device for digitally stored data on a data carrier
Phase change type optical recording medium and recording...
Phase detection using sampled data
Phase lock loop for a controller in an optical disk system...
Phase-change optical disc recording method and apparatus, and in
Phase-change optical disk and optical disk apparatus
Phase-change optical information recording medium and method...
Phase-change optical information recording method
Phase-change optical recording medium and recording method...
Photomagnetic recording device and photomagnetic reproducing dev
Photomagnetic recording device and photomagnetic reproducing dev
Physical identification data addressing method using wobble...
Playback apparatus
Playback apparatus
Playback method and apparatus for reading audio programs...
PLL circuit and data read-out circuit