Selectively de-scrambling media signals
US7490340B2 · kind B2 · utility
6Cited by
5References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 21, 2003 |
| Grant date | Feb 10, 2009 |
| Priority date | — |
| Expiry date | May 24, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/84
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A user enters control settings into a content receiver whereby the control settings correspond to a particular viewer or a particular time-of-day. The content receiver receives a media signal and metadata that includes censorship level information. The content receiver uses the control settings to identify an applicable censorship level and uses the metadata to de-scramble the media signal to a censorship level corresponding to the identified applicable censorship level. The content receiver provides the de-scrambled media signal to a viewer's display.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.