Takayuki Aizawa

Optical information recording/reproduction apparatus including means for detecting the type of recording medium

Information reproducing method and apparatus having protect function and recording medium used in apparatus

Error correction method including erasure correction, and apparatus therefor

Error correction system including a plurality of processor elements which are capable of performing several kinds of processing for error correction in parallel

Motor-driving circuit and recording apparatus including the same

Drive interface for performing write/read of information

Information processing method and apparatus therefor in which an erasing device is driven for a period longer than a necessary period

APPAREIL DE STOCKAGE OPTIQUE D'INFORMATIONS

Printer, information processing apparatus, and control method of interface

Method and apparatus for recording information on an opto-magnetic recording medium by applying a modulated light beam while applying a magnetic field alternating with a constant period