发明名称 INFORMATION DISTRIBUTION SYSTEM, ITS DISTRIBUTION CENTER APPARATUS AND USER TERMINAL APPARATUS, AND INFORMATION STORAGE MEDIUM USABLE FOR THE SYSTEM
摘要 When distributing an encrypted content to a user terminal apparatus via a communication line, a distribution center apparatus requires a medium ID of an information storage medium, and encrypts a decryption key of the encrypted content by using the corresponding medium ID to transmit the encrypted decryption key to the terminal apparatus. The terminal apparatus downloads to store the encrypted content, receives the encrypted key to decrypt it in the use of the medium ID of the storage medium and to decrypt the encrypted content by using the decryption key. In such a system, the center apparatus provides print information corresponding to view conditions of a distributed content to the terminal apparatus in response to the request therefrom, and the terminal apparatus makes the print information appropriately printable by means of a printer.
申请公布号 CA2591174(A1) 申请公布日期 2007.12.08
申请号 CA20072591174 申请日期 2007.06.08
申请人 KABUSHIKI KAISHA TOSHIBA 发明人 KURIHARA, SHINICHI
分类号 G06Q99/00;B41J3/44;G06F21/62;G11B20/00;G11B27/00;H04L9/00;H04L9/08;H04L9/32;H04L12/18;H04N5/765;H04N5/91;H04N7/16;H04N7/167;H04N7/173;H04N21/4623;H04N21/6334;H04N21/8352;H04N21/8355 主分类号 G06Q99/00
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