Methods, information providing system, and reception apparatus for protecting content
US9980014B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 28, 2013 |
| Grant date | May 22, 2018 |
| Priority date | — |
| Expiry date | Jun 28, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/23439
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An information providing system, reception apparatus, and methods thereof are provided for protected content data. The method for providing the protected content data includes generating or receiving the protected content data, and generating a digital television broadcast signal including at least one data field sync segment and the protected content data. The digital television broadcast signal is provided to a reception apparatus. The at least one data field sync segment carries information necessary to identify a framing structure of the digital television broadcast signal and includes one of security information for accessing the protected content data and a location of the security information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.