DIGITAL RECORDING APPARATUS AND COPYRIGHT PROTECTION METHOD THEREOF
    3.
    发明申请
    DIGITAL RECORDING APPARATUS AND COPYRIGHT PROTECTION METHOD THEREOF 审中-公开
    数字记录装置及其版权保护方法

    公开(公告)号:US20120033938A1

    公开(公告)日:2012-02-09

    申请号:US13274873

    申请日:2011-10-17

    IPC分类号: H04N5/765

    CPC分类号: H04N5/913 H04N2005/91328

    摘要: The CGMS unacceptable recorder accepts transmission frames only when the copyright protection information in a transmission header transmitted to the IEEE1394 serial bus indicates copy free. The CGMS acceptable recorder accepts transmission frames when the copyright protection information in the transmission header indicates copy free. When the copyright protection information in the transmission header indicates compliance with the copyright information contained in the content of the transmission frame, the copyright information in the content is fetched based on the signal format type information of the transmission header. As described herein above, a copy management information changeable apparatus such as a computer cannot accept data other than copy free signals from the digital interface.

    摘要翻译: 仅当发送到IEEE1394串行总线的发送报头中的版权保护信息指示无复制时,CGMS不可接受的记录器才接受传输帧。 当传输头中的版权保护信息指示无复制时,CGMS可接受的记录器接受传输帧。 当发送报头中的版权保护信息表示符合包含在发送帧内容中的版权信息时,基于发送报头的信号格式类型信息来取得内容中的版权信息。 如上所述,诸如计算机之类的复制管理信息可变设备不能接收来自数字接口的复制自由信号以外的数据。