High resolution graphics side channel in video conference
US8279257B2 · kind B2 · utility
0Cited by
17References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 21, 2002 |
| Grant date | Oct 2, 2012 |
| Priority date | — |
| Expiry date | Apr 24, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/4347
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A videoconference system can automatically transmit first and second images from a local site to a remote site where the first image is a high-resolution live image and the second image may be transmitted either as a high-resolution live or still frame image. Two video streams representing the first and second images are transmitted together to the remote site within a single carrier channel. The second image is transmitted as a still image whenever the second image is static to conserve bandwidth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.