| Original document(70 pages) Authorized document(67 pages) 中文版 |
A data processing device for reproducing object streams each including a plurality of items of information, comprising an IPMP information extracting circuit (54) for extracting layered management information for controlling the feasibility of use of each object from the input data, a used state inspecting circuit (56) for judging whether or not use of an object of higher order than that of the object concerned is inhibited on the basis of the extracted IPMP information from the IPMP information extracting circuit (54) and a control information extracting circuit (58) for control performed so as to inhibit the use of the object concerned if use of the object of higher order is judged to be inhibited on the basis of the judging result from the used state inspecting circuit (56). |
Application Number
申请号 |
01804328 |
Application Date
申请日 |
2001.01.25 |
| Title 名称 |
Data processing device, data processing system, data processing method and storage medium |
Publication Number
公开号 |
1397134 |
Publication Date
公开日 |
2003.02.12 |
| Approval Pub. Date |
2005.08.17 |
Granted Pub. Date |
2005.08.17 |
| International Classification 分类号 |
H04N7/16;H04N7/08;G06F17/60 |
Applicant(s) Name
申请人 |
Canon K.K. |
| Address 地址 |
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| Inventor(s) Name 发明人 |
Tagashira Nobuhiro;Iwamura Keiichi;Ando Tsutomu |
| Attorney & Agent 代理人 |
wang sibeng |
| More information 更 多 信 息 |
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