发明名称 Optical disc and optical disc device
摘要 <p>In a multilayer optical disc having information layers conforming to a plurality of different optical disc standards, because the type of each information layer is not recorded in the other information layers, in read and write operations by a compatible optical disc device conforming to a plurality of optical disc standards, every time the information layer being accessed changes, it has.been necessary to read the type of the information layer and select a method of generating a tracking error signal adapted to the type of information layer, so access has taken time. In order to solve the above problem, in the information recording method according to the present invention, information is created regarding a plurality of information layers conforming to a plurality of different optical disc standards, and in an area in one of the information layers, said information about the other information layers is recorded.</p>
申请公布号 EP2720227(A2) 申请公布日期 2014.04.16
申请号 EP20140150630 申请日期 2005.08.19
申请人 MITSUBISHI ELECTRIC CORPORATION 发明人 NAKAHARA, HIRONORI;TAKESHITA, NOBUO;OGAWA, MASAHARU
分类号 G11B27/32;G11B7/007;G11B7/24;G11B19/12;G11B20/12;G11B27/10 主分类号 G11B27/32
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