Optical disk having write power adjustment portion
Optical disk having zone constant angular velocity wobble
Optical disk head including a light path having a thickness and
Optical disk high-speed search control device
Optical disk holding apparatus
Optical disk identification circuit
Optical disk identifying device, optical disk identifying...
Optical disk identifying method, manufacture of cartridge-enclos
Optical disk image forming device and optical disk image...
Optical disk image forming device, optical disk image...
Optical disk including wobbled guiding groove composed of pits,
Optical disk information recording apparatus and reproducing app
Optical disk information recording apparatus and reproducing app
Optical disk information recording/reproducing apparatus and...
Optical disk initialization method and apparatus
Optical disk initialization method and apparatus
Optical disk initializing apparatus
Optical disk library apparatus of desk-top type
Optical disk library apparatus of desk-top type
Optical disk library apparatus with automatic head cleaning func