Video processing apparatus and method
US6388700B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 19, 1999 |
| Grant date | May 14, 2002 |
| Priority date | — |
| Expiry date | Jul 19, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/8153
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A television set having the option of displaying main and one or more auxiliary pictures, ratings control capability which includes means for an authorized person to limit the display of programs having ratings beyond a selected level, closed captioning capability which includes means for a viewer to choose to display closed captioning along with a picture, and a single stripper for slicing data from the vertical blanking information (VBI) portion of one or more broadcasts wherein the single stripper processes ratings control information for both main picture and auxiliary picture when the ratings control option has been invoked by cycling between main and auxiliary; and the auxiliary picture capability is disabled when the closed captioning option has been invoked.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.