Multi-level information reproducing method

Multi-valued data elements for computer systems

Multilevel record modulator and demodulator

Optical disc apparatus with adjustable constraint length PRML

Optical disc hidden data technique

Optical disk apparatus and computer readable recording...

Optical disk apparatus, method of recording information, and...

Optical disk apparatus, method of recording information, and...

Optical disk recording apparatus that records a visible...

Optical disk, an optical disk barcode forming method, an...

Optical disk, recording method and apparatus for canceling...

Optical recording medium and recording method for the same

Optical recording medium and recording method for the same

Optical recording medium applicable for improved servo control

Playback apparatus

Process for manufacturing an optical disk with recorded...

Recordable optical disc, optical disc recording apparatus,...

Recording device utilizing inter-symbol interference

Recording method of optical disk, optical disk recording...

Recording technique with particular bit-distance control in...