Video signal switching arrangement and conference video display system using same

摘要

A conference video display system is provided for allowing attendees at the conference to switch to the video images of their respective personal computers at will, and eliminating the need for determining the correlation between the personal computers and channels of a switching unit, to provide facilitated and appropriate video switching.The system has a switching unit for receiving a plurality of video signals and selectively outputting the received video signals, and a plurality of connection cables for connecting the switching unit and a plurality of personal computers. Each of the connection cables has a selection request switch near the personal computer connected thereto to make the switching unit select the video signal from the connected personal computer as an output video signal thereof.