Additional data channel in between marks

Apparatus and method for detecting a position of a pickup

Apparatus and method for detecting and correcting relative...

Apparatus for manufacturing information record medium,...

Apparatus for recording and reproducing information

Apparatus for writing data and method for generating DVD...

Backup method of record information and method for reading...

Concentrically recording auxiliary information on non-data...

Data recording apparatus

Data recording apparatus and associated method of imparting...

Data storage medium with improved multi-session recording...

Device and method for recording information

Device and method for recording information enabling reduced...

Device and method for recording information enabling reduced...

Device and method for recording information including...

Digital automatic gain control of a multilevel optical disc...

Digital modulation method, digital demodulation method, and...

Digital signal processing method, data recording and...

Digital signal processing method, data recording and...

Disc recording/reproducing apparatus and disc...