G11B2220/232 - CPC Classification Index

ClassID:

199285 ⎘

G11B2220/232 - CPC Classification

Classification description:

Record carriers by type; Disc-shaped record carriers characterised in that the disc has a specific layer structure Double-sided discs, i.e. two recording layers accessed from opposite sides

Recent Application in this class:

20150131421

2015-05-14

Optical disk apparatus, control method, control program and information storage medium

20140098654

2014-04-10

Disk-shaped recording medium and recording/reproducing device for disk-shaped recording medium

20100260017

2010-10-14

Method and Apparatus for Capturing Encoded Signals on Label Surface

20100061221

2010-03-11

Single-sided pre-recorded dual-layer DVD disc functioning as a dual-sided pre-recorded DVD

20090080305

2009-03-26

Disc discrimination method and apparatus

20070297756

2007-12-27

Content representing method and system

20070223126

2007-09-27

Robust data storage techniques for two-sided data storage tape

20070086283

2007-04-19

Management data double-side unified recording function and recording/reproducing device provided with the same

20060263036

2006-11-23

Information recording apparatus and information recording/reproducing apparatus