Terminal device for authorizing use of content distributed through a network
US7000104B2 · kind B2 · utility
2Cited by
1References
37Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 2, 2001 |
| Grant date | Feb 14, 2006 |
| Priority date | — |
| Expiry date | Mar 4, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B20/00695
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
When content is downloaded, the terminal device writes such content into a data storage region only accessible by a system application program. Upon completion of formal procedures, the terminal device decodes the content stored in the data storage region into an another region from which the content can only be read out using a user application program. This successfully prevents unauthorized use of the content as far as it resides in the data storage region, and ensures safe content distribution through a network.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.