首页>
外国专利>
Protection approaches from copying and an optical disc on the basis of a modification of the tocs at positions in dependence on the disk reader type.
Protection approaches from copying and an optical disc on the basis of a modification of the tocs at positions in dependence on the disk reader type.
展开▼
机译:根据光盘读取器类型的不同,在托克位置进行修改的基础上,采取了防止复制和光盘保护的措施。
展开▼
页面导航
摘要
著录项
相似文献
摘要
The present application relates to a copy-protected compact disc and a method for producing the optical disc and preventing unauthorized copying. The contents of at least one of the lead-in items in the optical disc are altered so that it is no longer uniform, thereby making a copied disc effectively corrupted and unplayable.
展开▼