Recording medium, reproduction device, message acquisition method, message acquisition program, integrated circuit
US8644669B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2006 |
| Grant date | Feb 4, 2014 |
| Priority date | — |
| Expiry date | Nov 4, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2005/91364
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A recording medium, which is provided by a content provider and allows the content provider to control messages, has recorded thereon content and a program executed at a time of playback of the content by a playback apparatus. The program causing the playback apparatus to interact with a different program prestored in the playback apparatus and executed at the time of the playback of the content and to transmit, to the different program, a message determined according to the result of the interaction. The playback apparatus includes a reading unit reading the program from the recording medium at the time of the playback of the content, a startup unit starting up the read program, an interaction unit interacting with the program, and a processing unit receiving a message corresponding to a result of the interaction from the recording medium and performing a process corresponding to the received message.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.