发明名称 Limitating the number of copies by recording content with the indication copy-no-more as soon as the recording media is removable
摘要 <p>The invention provides a control method in a receiver (3) which receives digital contents and copy control information of the digital contents, including the steps of: when the received copy control information has copy generation information indicating Copy-One-Generation (SA01), recording the digital contents on a recording medium while setting the digital contents in a copy-prohibited state (SA04) in the case where the recording medium is a removable recording medium (SA02) ; recording the digital contents on a recording medium while setting the digital contents in a copy-prohibited state (SA04) when the received copy control information indicates prohibition of a plurality of copies (SA03) in the case where the recording medium is an internal recording medium which records digital contents while locally encrypting the digital contents (SA02) ; and recording the digital contents on a recording medium while setting the digital contents in a copiable state up to a predetermined copiable number (SA05) when the received copy control information indicates permission of a plurality of copies (SA03) in the case where the recording medium is an internal recording medium which records digital contents while locally encrypting the digital contents (SA02). Thus, user friendliness is improved while copy control is performed in the case where a digital broadcasting program marked as Copy Generation is recorded.</p>
申请公布号 EP2383736(A1) 申请公布日期 2011.11.02
申请号 EP20110171050 申请日期 2008.06.04
申请人 HITACHI LTD. 发明人 KANEMARU, TAKASHI;TSURUGA, SADAO;OKAMOTO, HIROO
分类号 G11B20/00;H04H60/14 主分类号 G11B20/00
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