Playlist composition apparatus, copyright management apparatus and view terminal apparatus
US8065416B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 6, 2006 |
| Grant date | Nov 22, 2011 |
| Priority date | — |
| Expiry date | Mar 15, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2463/103
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A playlist acquisition unit acquires a playlist including a view segment of contents for a user. The view segment has a start position and an end position in the contents. A copyright information acquisition unit acquires copyright information of the contents from a copyright management apparatus via a network. The copyright management apparatus manages copyright information of each content. A view right information acquisition unit acquires view right information of the user to view the contents. A viewable playlist composition unit composes a viewable playlist by editing the playlist using the copyright information and the view right information. The viewable playlist includes restriction information of the view segment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.