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.
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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 |
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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