Optical disk with a groove for defining serial data modulated in
Optical disk with a uniform film thickness by having different a
Optical disk with copy protection, and apparatus and method for
Optical disk with erasable surface and manufacturing method...
Optical disk with grooves and pits of different depths
Optical disk with identification phase-encoded area
Optical disk with information signal representing a...
Optical disk with marks used for calibrating an optical detector
Optical disk with pattern and fabrication method thereof
Optical disk with prerecorded control information
Optical disk with recesses inside an inner circumference of...
Optical disk with sectional trapezoidal pits and optical disk ap
Optical disk with stop-pulse generating means in a guide groove
Optical disk with tracking guide of wind and unwind portions
Optical disk, and information recording/reproduction apparatus
Optical disk, and method and apparatus for reproducing...
Optical disk, and method apparatus for recording/reproducing...
Optical disk, method of manufacturing the same and method of rec
Optical disk, method of playing optical disk, and optical...
Optical disk, optical disk access device and access method