发明名称 Access permission based on optically readable marking on optical disc label region
摘要 A method of one embodiment of the invention is disclosed that optically reads a marking on a label region of an optical disc, to determine access to information stored on a data region of the optical disc. Access to the information stored on the data region of the optical disc is then permitted based on the marking on the label region of the optical disc that has been optically read.
申请公布号 US2004172548(A1) 申请公布日期 2004.09.02
申请号 US20030375988 申请日期 2003.03.01
申请人 ANDERSON DARYL E.;VALLEY JEFFREY M. 发明人 ANDERSON DARYL E.;VALLEY JEFFREY M.
分类号 G11B20/10;G11B7/0037;G11B20/00;G11B23/00;G11B23/28;(IPC1-7):H04L9/32 主分类号 G11B20/10
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