Video conference system
US9077852B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 4, 2013 |
| Grant date | Jul 7, 2015 |
| Priority date | — |
| Expiry date | Jun 6, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/1822
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method includes receiving a control message that identifies a first video conference terminal as an active talker. The method includes sending, in response to the control message, outgoing video conference data from the first video conference terminal via a first multicast group to two or more video conference terminals joined to the first multicast group. The method also includes sending a command to join a second multicast group in response to the control message.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.