US Patent No. 9,467,649

METHOD AND SYSTEM FOR SWITCHING MULTI-SCREEN ON VIDEO CONFERENCE


Patent No. 9,467,649
Issue Date October 11, 2016
Title Method And System For Switching Multi-screen On Video Conference
Inventorship Lunpeng Xie, Shenzhen (CN)
Assignee ZTE CORPORATION, Shenzhen (CN)

Claim of US Patent No. 9,467,649

1. A method for switching multi-picture on video conference, comprising:
a multi-picture switching device generating, according to a user input, a switching control message used for controlling the
number of the multi-picture or a layout of the multi-picture, and sending the switching control message to a Multi-Control
Unit (MCU) or a video conference terminal;

when the switching control message is sent to the MCU, the MCU switching, according to the switching control message, the
number of the multi-picture or the layout of the multi-picture of each video conference terminal; and/or, when the switching
control message is sent to the video conference terminal, the video conference terminal switching, according to the switching
control message, the number of the multi-picture or the layout of the multi-picture of the video conference terminal;

wherein the method further comprises: when the multi-picture switching device receives a user input which is used for adding
or deleting a sub-picture of a video conference terminal, generating, by a multi-picture assignment element in the multi-picture
switching device, a switching control message, and sending the switching control message to the MCU or the video conference
terminal, wherein the switching control message carries an adding/deletion instruction, identification information of a video
conference terminal of which the sub-picture is to be added/deleted and location information of a to-be-added/deleted sub-picture
of the video conference terminal.