Method and apparatus for parental control
US8024753B1 · kind B1 · utility
45Cited by
5References
39Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 28, 2005 |
| Grant date | Sep 20, 2011 |
| Priority date | — |
| Expiry date | Apr 9, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/4755
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Television converter devices in accordance with present invention determine whether the programming is to be blocked or not, then inserts an appropriate V-code into the vertical blanking interval (VBI) of the programming before delivering the programming to one or more V-chip enabled TV where the V-chip blocks the programming as appropriate. Various methods of determining whether the programming is to be blocked are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.