发明授权
- 专利标题: Processing copy protection signals
- 专利标题(中): 处理复制保护信号
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申请号: US10257203申请日: 2002-02-01
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公开(公告)号: US07454621B2公开(公告)日: 2008-11-18
- 发明人: Maurice Jerome Justin Jean-Baptiste Maes , Antonius Adriaan Maria Staring , Johan Cornelis Talstra
- 申请人: Maurice Jerome Justin Jean-Baptiste Maes , Antonius Adriaan Maria Staring , Johan Cornelis Talstra
- 申请人地址: NL Eindhoven
- 专利权人: Koninklijke Philips Electronics N.V.
- 当前专利权人: Koninklijke Philips Electronics N.V.
- 当前专利权人地址: NL Eindhoven
- 优先权: EP01200515 20010213
- 国际申请: PCT/IB02/00351 WO 20020201
- 国际公布: WO02/065256 WO 20020822
- 主分类号: G06F21/00
- IPC分类号: G06F21/00 ; G06F21/22
摘要:
The invention relates to a method and an arrangement for recording an information signal with first copy protection information to a storage medium using recording means, the recording being performed according to first copy rules identified by the first copy protection information. The method comprises the steps of detecting said first copy protection information identifying said first copy rules, recording at least second copy protection information according to said detected first copy rules, said first and at least second copy protection information identifying a legality message to be interpreted by reading means, the at least second copy protection information changing within a predefined time interval after the change in said detected first copy rules according to an interpreting rule.
公开/授权文献
- US20030056105A1 Processing copy protection signals 公开/授权日:2003-03-20
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