发明名称 |
Material distribution apparatus |
摘要 |
A material distribution apparatus, comprising a material server including a data introduction processor operable to introduce data into material to be distributed with the effect that the introduced data is at least difficult to perceive in the material, and a material impairment processor operable to introduce a reversible impairment into the material. A communications network distributes the impaired material to at least one client processor which includes an impairment reversing processor operable to reverse the impairment of the material to produce client restored material.
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申请公布号 |
US7636847(B2) |
申请公布日期 |
2009.12.22 |
申请号 |
US20020158346 |
申请日期 |
2002.05.30 |
申请人 |
SONY UNITED KINGDOM LIMITED |
发明人 |
STONE JONATHAN JAMES;PELLY JASON CHARLES;KEATING STEPHEN MARK;COLLINS ANDREW;TAPSON DANIEL |
分类号 |
G06Q30/00;G06T1/00;G06F1/00;G06F21/00;G06F21/10;G06Q10/00;G09C5/00;H04L9/28;H04L29/06;H04N1/387;H04N7/08;H04N7/081;H04N7/167 |
主分类号 |
G06Q30/00 |
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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