发明名称 Method and apparatus for destructing an optical disc
摘要 A method and apparatus renders an optical disk unplayable on a customer's optical disc playback machine. A portion of the information bearing surface of the optical disc or the light reflected therefrom, is altered for data destruction from a predetermined area, i.e., a "Table of Contents" (TOC), in order to make the disc unplayable on the playback machine of the customer.
申请公布号 US2004125722(A1) 申请公布日期 2004.07.01
申请号 US20030612378 申请日期 2003.07.01
申请人 FEEHAN THOMAS JOHN;SHEVLIN PATRICK JOHN;HODNETT JOHN NOEL 发明人 FEEHAN THOMAS JOHN;SHEVLIN PATRICK JOHN;HODNETT JOHN NOEL
分类号 G11B23/50;(IPC1-7):G11B7/00 主分类号 G11B23/50
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