MPEG on screen display coder for DTV interfaces
US7327790B1 · kind B1 · utility
42Cited by
7References
43Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 11, 1999 |
| Grant date | Feb 5, 2008 |
| Priority date | — |
| Expiry date | Jun 11, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/4402
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An MPEG on-screen display coder includes a buffer, an MPEG encoder, and a multiplexer. The buffer receives and buffers an MPEG transport data stream containing frames of a selected program and frames of a non-selected program. The MPEG encoder encodes frames of the selected program with an on-screen display. The multiplexer selectively passes to a digital television receiver the frames of the non-selected program, the encoded frames of the selected program, and original frames of the selected program.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.