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Optical disc assembly with two standard discs and an additional recorded area which inhibits fraudulent copying of data
Optical disc assembly with two standard discs and an additional recorded area which inhibits fraudulent copying of data
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机译:具有两个标准光盘和一个额外的记录区域的光盘组件,可防止数据的欺诈性复制
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摘要
Two standard DVD or MO discs (2, 3) are placed back-to back and secured with a layer of adhesive (8). Inside of and concentric with the recorded data areas (4) is an additional ring of recorded data (7). The additional data is intended to inhibits the fraudulent reproduction of the disc.
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