发明名称
摘要 <P>PROBLEM TO BE SOLVED: To provide an information processor capable of putting a part of a plurality of copyright protection devices into a stop state so as to save power in the information processor provided with the plurality of copyright protection devices. <P>SOLUTION: The information processor 1 is provided with: a first tuner 5<SB>1</SB>and a second tuner 5<SB>2</SB>; a first copyright protection unit 6<SB>1</SB>and a second copyright protection unit 6<SB>2</SB>for applying descramble processing to content data received by the first tuner 5<SB>1</SB>and the second tuner 5<SB>2</SB>; and a storage medium installation part 21 constructed so that a storage medium for storing scramble key data necessary for the descramble processing is freely removable. The first copyright protection unit 6<SB>1</SB>detects whether or not the storage medium installation part 21 installs the storage medium 7 and notifies the second copyright protection unit of a non-installation notification signal indicating non-installation of the storage medium 7 when the storage medium 7 is not installed by the storage medium installation part 21. <P>COPYRIGHT: (C)2009,JPO&INPIT
申请公布号 JP4909855(B2) 申请公布日期 2012.04.04
申请号 JP20070252091 申请日期 2007.09.27
申请人 发明人
分类号 H04L9/32;G06F21/00;G06F21/12;G06F21/33;H04L9/08;H04N7/16;H04N7/173;H04N21/418;H04N21/442 主分类号 H04L9/32
代理机构 代理人
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