发明名称 |
Information recording medium having secret area, information recording apparatus capable of recording information in secret area, and information playback apparatus capable of playing back information from secret area |
摘要 |
An information recording medium includes a user area defined by a logical address and a physical address, a secret area defined only by a physical address, and an address area which stores the physical address that indicates the position of the secret area.
|
申请公布号 |
US2002136118(A1) |
申请公布日期 |
2002.09.26 |
申请号 |
US20020101690 |
申请日期 |
2002.03.21 |
申请人 |
TAKAHASHI HIDEKI |
发明人 |
TAKAHASHI HIDEKI |
分类号 |
G11B7/007;G11B20/10;G11B20/12;G11B20/18;G11B27/19;G11B27/24;G11B27/30;G11B27/32;(IPC1-7):G11B7/004;G11B7/24 |
主分类号 |
G11B7/007 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|