Anti-counterfeit compact disc

Apparatus and method for caching and selectively reproducing...

Apparatus and method for copying data

Apparatus for and method of recording and reproducing...

Apparatus for and method of recording and reproducing...

Apparatus for and method of recording/reproducing audio data...

Backup device and one-key data backup method for the same

Copy control using digital speed bumps

Data copying managing method and device and copy managing...

Data processing method, information recording medium...

Data recording method, data outputting method, and data...

Digital copy control method, digital recording medium,...

Digital-audio-signal recording apparatus

Disc recording medium having subsidiary data in which is...

Dubbing apparatus

Dubbing apparatus

Dubbing apparatus and dubbing method

Dubbing apparatus and dubbing method

Dubbing device for dubbing data

Dubbing system and dubbing method