发明名称 |
Copy control for a video signal with copyright signals superimposed as predetermined bits in the VBID data of the video signal |
摘要 |
A video signal is processed to selectively permit copying by superposing in that portion of the video signal which does not contain useful picture information a copyright information signal indicative of whether the viewable picture that is displayed from the video signal is subject to copyright and a copy generation signal indicative of the number of successive generations of copies that can be made from the video signal. |
申请公布号 |
USRE43854(E1) |
申请公布日期 |
2012.12.11 |
申请号 |
US20100894258 |
申请日期 |
2010.09.30 |
申请人 |
KANOTA KEIJI;EZAKI TADASHI;KORI TERUHIKO;TSUCHIYA SATOSHI;SONY CORPORATION |
发明人 |
KANOTA KEIJI;EZAKI TADASHI;KORI TERUHIKO;TSUCHIYA SATOSHI |
分类号 |
H04N5/91;H04N9/80;G11B20/00;H04N5/76;H04N5/913;H04N5/92;H04N7/083;H04N7/087;H04N7/088 |
主分类号 |
H04N5/91 |
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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