发明名称 |
COPY PROTECTION OF OPTICAL DISCS COMPRISING A CHIP |
摘要 |
The invention relates to a record carrier having a first area (3) for storing information and a second area (4) comprising an integrated circuit (4'). This integrated circuit comprises means for transmitting additional information and means for receiving a signal for power supply of the integrated circuit. The receiving means comprise a photodiode. In a preferred embodiment, the receiving means are also arranged to receive additional information. The invention also relates to a method of manufacturing a record carrier, a device for reading the record carrier, a system comprising the device, and a record carrier and an integrated circuit. |
申请公布号 |
EP1314157(B1) |
申请公布日期 |
2005.11.30 |
申请号 |
EP20010976127 |
申请日期 |
2001.08.13 |
申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N.V. |
发明人 |
KAHLMAN, JOSEPHUS, A., H., M.;HART, CORNELIS, M. |
分类号 |
G11B23/30;G06F21/80;G06K19/04;G11B20/00;G11B20/10;G11B23/00;G11B23/28;G11B27/00 |
主分类号 |
G11B23/30 |
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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