发明授权
US06522607B1 Recording device and method, decoding device and method, providing medium, and information recording medium
失效
记录装置和方法，解码装置和方法，提供介质和信息记录介质
- 专利标题： Recording device and method, decoding device and method, providing medium, and information recording medium
- 专利标题（中）： 记录装置和方法，解码装置和方法，提供介质和信息记录介质
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申请号： US09555849申请日： 2000-06-05
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公开(公告)号： US06522607B1公开(公告)日： 2003-02-18
- 发明人: Yoshihito Ishibashi , Tomoyuki Asano , Izuru Kitamura , Jun Kitahara
- 申请人： Yoshihito Ishibashi , Tomoyuki Asano , Izuru Kitamura , Jun Kitahara
- 优先权： JP10-282226 19981005
- 主分类号： G11B700
- IPC分类号： G11B700
摘要：
Coded information can be utilized by devices other than a device supplied with information while preventing a dishonest use of the information, mutual recognizing part 17 mutually recognizes the IC card 4. The coding part 15 codes a key for contents with a key for movement. The recording part 12 records coded contents and the key for contents coded by the coding part 15 on the optical disc 5.
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