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    • 8. 发明授权
    • Copy control method
    • 复制控制方式
    • US08532291B2
    • 2013-09-10
    • US13161808
    • 2011-06-16
    • Sadao TsurugaHiroo Okamoto
    • Sadao TsurugaHiroo Okamoto
    • H04N7/167
    • G11B20/00456G06F21/10G06F2221/2141G11B20/00753G11B20/0076H04L63/061
    • The usability while performing copy control can be enhanced in the case of recording a digital broadcast program for which recording of one generation is permitted (“Copy One Generation”). When an output route in the case of copying digital contents from a first recording apparatus to a second recording apparatus is via LAN, authentication is executed between the first recording apparatus and the second recording apparatus. The capability of a move process with a predetermined copy number of multiple copies being kept is confirmed, and dedicated key information is shared to be used for encryption and decryption of the digital contents moved with the predetermined copy number of multiple copies being kept. Then, the digital contents recorded and managed in the first recording apparatus is added with the information about the predetermined copy number of multiple copies, and transmitted.
    • 在记录允许一代记录的数字广播节目(“一代复制”)的情况下,可以增强执行复制控制的可用性。 当在第一记录装置将数字内容复制到第二记录装置的情况下的输出路径经由LAN时,在第一记录装置和第二记录装置之间执行认证。 确认具有保留多个副本的预定拷贝数的移动处理的能力,并且共享专用密钥信息以用于以保持多个副本的预定拷贝数移动的数字内容的加密和解密。 然后,将在第一记录装置中记录和管理的数字内容添加有关多个副本的预定拷贝数的信息,并发送。
    • 9. 发明授权
    • Output control method
    • 输出控制方式
    • US08484754B2
    • 2013-07-09
    • US12606598
    • 2009-10-27
    • Sadao TsurugaHiroo Okamoto
    • Sadao TsurugaHiroo Okamoto
    • G06F21/00
    • G06F21/64H04N21/4334H04N21/44204H04N21/4627
    • An output control method for controlling copy operation for a digital broadcast program permitted to be recorded for one generation (copy one generation) with an improved operating convenience. A digital content and a plurality of types of copy control information for controlling the copies of the digital content are received, and in accordance with the copy control information, the digital content is output to a plurality of recording media connected through a network. If first information contained in the copy control information received indicates copy generation information to permit copies for one generation and second information contained in the copy control information indicates “limited number of copies permitted” mode permitting a predetermined number of copies, then the digital content is output to only one of the recording media in a state permitting copying up to the predetermined number.
    • 一种输出控制方法,用于控制允许记录一代(复制一代)的数字广播节目的复制操作,具有改进的操作便利性。 接收用于控制数字内容的副本的数字内容和多种类型的复制控制信息,并且根据复制控制信息,数字内容被输出到通过网络连接的多个记录介质。 如果接收到的复制控制信息中包含的第一信息指示复制产生信息以允许一代的拷贝,并且复制控制信息中包含的第二信息表示允许预定份数的拷贝的“允许的限制拷贝数”模式,则数字内容 在允许复制到预定数量的状态下仅输出到一个记录介质。