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

Data playback apparatus for realizing high transfer date

Data processing circuit for disc player

Data processing circuit for temporarily suspending data...

Data processing method and data processing apparatus

Data processing method, information recording medium...

Data processor used in a plurality of optical disk recording...

Data reading apparatus for identifying position of data tracks

Data readout system for optical disk having maximum likehood dat

Data readout system for optical disk having maximum likelihood d

Data record medium, data recording method and apparatus, and...

Data recorder

Data recorder

Data recorder

Data recorder and data recording method, and computer program

Data recording and reading system

Data recording and reproducing apparatus

Data recording and reproducing apparatus and method with phase e

Data recording and reproducing method for multi-layered optical

Data recording and reproducing method for multi-layered...