Double-disk optical recording medium
Double-layer optical disk, recording method and manufacturing me
Drive apparatus for tape-like optical recording medium
Dual input telescope for multi-beam optical record and playback
Dual-layered optical disc and pickup head
Dynamic switching speed control
Generating a two dimensional array of modulated light beams...
Helical optical tape read/write system using at least one laser
High resolution optical scanner
High-density optical recording medium and method of...
High-density optical recording medium and method of...
Information recording and/or reproducing apparatus having a tape
Information recording apparatus and method, information...
Information recording apparatus, information reproducing...
Information recording medium and method for manufacturing...
Information recording medium, information supply system, and...
Information storage medium having optimal power control areas
Information storage medium having optimal power control areas
Information storage medium, information recording method,...
Information storage medium, information recording method,...