| 发明名称 |
Optical disc with copy protection file system format and method of making such disc |
| 摘要 |
The present invention provides an improved file system format for an optical disc to help prevent illegal copying of multimedia content, where certain non-readable data record is placed into increased measured length of a multimedia data block; disc made pursuant to present format allows normal playback with very low level noise that would not affect the user enjoyment of viewing/listening the movie or music content on the multimedia disc. |
| 申请公布号 |
US9502067(B1) |
申请公布日期 |
2016.11.22 |
| 申请号 |
US201615134666 |
申请日期 |
2016.04.21 |
| 申请人 |
VINPOWER, INC. |
发明人 |
Chang Shuo Wei;Kuo Liao-Hsuan;Wu Chun-Sung |
| 分类号 |
G11B11/00;G11B7/013;G11B7/007 |
主分类号 |
G11B11/00 |
| 代理机构 |
|
代理人 |
Lee, Esq. Jen-Feng |
| 主权项 |
1. An optical disc of certain file system format to store multimedia data, the format comprising:
A lead-in block; A metadata block having a plurality of data attribute records; A multimedia data block having at least a multimedia data record and at least a non-readable data record; and A lead-out block, wherein the four blocks are set in the sequential order described herein and the at least a non-readable data record is set at random position within the multimedia data block to increase the measured length of the multimedia data records. |
| 地址 |
Alhambra CA US |
