发明名称 |
MODELLÄNDERUNGSVORRICHTUNG |
摘要 |
<p>Disclosed is a system (100) composed of a main device (300) and a recording medium device (400). The main device includes: a reception unit (300) that receives a digital work from an external distribution server (200); an internal storage area for storing the digital work; a playback unit that plays back the digital work; a unique information storage area for storing information that is unique to the main device; an encryption unit that encrypts the digital work using the unique information; a decryption unit that decrypts, using the unique information, the encrypted digital work having been read from the recording medium device; a write unit that writes the encrypted digital work into the recording medium device which is portable; and a read unit that reads the encrypted digital work from the recording medium device. <IMAGE></p> |
申请公布号 |
AT330314(T) |
申请公布日期 |
2006.07.15 |
申请号 |
AT20030028591T |
申请日期 |
2002.07.09 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
HARADA, SHUNJI;MIYAZAKI, MASAYA;MATSUI, SHINICHI;INOUE, SHINJI;MATSUZAKI, NATSUME;NOGUCHI, NAOHIKO |
分类号 |
G06F17/00;G06F1/00;G06F21/10;G06F21/44;G11B20/00;H04L29/06;H04N7/167;H04W12/02;H04W12/06;(IPC1-7):G11B20/00;H04Q7/38 |
主分类号 |
G06F17/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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