Patent · US Active

Video conference system

US9077852B2 · kind B2 · utility

0Cited by
41References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 4, 2013
Grant dateJul 7, 2015
Priority date
Expiry dateJun 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.