发明名称 |
OPTICAL DISC AND APPARATUS FOR PORTABLE APPLICATIONS |
摘要 |
The invention relates to an optical disc (35, 36, 37) comprising a magnetic substrate (10, 20, 30) and to an optical recording and/or reproducing apparatus for recording and/or reproducing such an optical disc. By virtue of its magnetic properties, said magnetic substrate is able to clamp the optical disc onto a turntable of said recording and/or reproducing apparatus instead of a hub. |
申请公布号 |
WO2004059632(A2) |
申请公布日期 |
2004.07.15 |
申请号 |
WO2003IB06158 |
申请日期 |
2003.12.18 |
申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N.V.;VAN DER AA, MICHIEL;BORG, HERMANUS |
发明人 |
VAN DER AA, MICHIEL;BORG, HERMANUS |
分类号 |
G11B7/24;G11B7/26;G11B17/028;G11B23/00 |
主分类号 |
G11B7/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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