<p>Data storage apparatus in which the concentric tracks on a disc are divided into bands (B0,B1). A plurality of encoders (7) are used to record data of different densities using different run length limited codes depending on the radial position of the band of tracks. A complementary plurality of decoders (9) are used to generate the decoded read signal.</p>
申请公布号
EP0316084(A2)
申请公布日期
1989.05.17
申请号
EP19880309966
申请日期
1988.10.24
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
MAKANSI, TAREK;MELAS, CONSTANTIN MICHAEL;PATEL, ARVID MOTIBHAI;SOUTHER, STEVEN HAROLD
