- 专利标题： Method and apparatus for transmitting and receiving a decoding key encoded with specific information to decode encrypted information of a record medium
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申请号： US11087130申请日： 2005-03-23
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公开(公告)号： US07321878B2公开(公告)日： 2008-01-22
- 发明人: Yoichiro Sako , Akira Kurihara , Yoshitomo Osawa , Isao Kawashima , Hideo Owa
- 申请人： Yoichiro Sako , Akira Kurihara , Yoshitomo Osawa , Isao Kawashima , Hideo Owa
- 申请人地址： JP Tokyo
- 专利权人： Sony Corporation
- 当前专利权人： Sony Corporation
- 当前专利权人地址： JP Tokyo
- 代理机构： Frommer Lawrence & Haug LLP
- 代理商 William S. Frommer; Thomas F. Presson
- 优先权： JP07-166644 19950630; JP07-206085 19950811
- 主分类号： G06Q99/00
- IPC分类号： G06Q99/00
摘要：
A data recording apparatus capable of preventing easily copying of information is disclosed with which, even if information is copied, the copied information cannot be reproduced, the data recording apparatus having a terminal to which encoder ID specific for the data recording apparatus is input, a recording unit for recording at least the encoder ID on an optical disk, and an encoding circuit for, in accordance with the encoder ID, encoding data supplied through a terminal and required to be recorded so that encoded data is, together with the encoder ID, recorded on the optical disk.