发明名称 |
Apparatus and method for TV broadcast copy protection |
摘要 |
Copy protecting television broadcast program signals which are received and recorded in a format that reserves recording areas for accessory information relating to the format and reserves other recording areas for digital image signals. When the input signals received for recording are determined to be television broadcast program signals, a generation limiting signal inserted therein is set to a copy protect state and is recorded to inhibit copying.
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申请公布号 |
US2001033739(A1) |
申请公布日期 |
2001.10.25 |
申请号 |
US20010842345 |
申请日期 |
2001.04.25 |
申请人 |
SONY CORPORATION |
发明人 |
OGURO MASAKI;KANOTA KEIJI;KUBOTA YUKIO |
分类号 |
H04N5/91;G11B15/02;G11B20/10;H04N5/913;H04N5/926;(IPC1-7):H04N5/76;G11B15/04;G11B19/04;H04N7/167 |
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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