VIDEO SIGNAL CHANGEOVER DEVICE AND VIDEO DISPLAY DEVICE SYSTEM FOR CONFERENCE USING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a video display system for conference in which a conferee can changeover videos of one's own personal computer freely, it is not needed for the conferees to make correspondence between respective personal computers and the changeover switch of the conferee and the conferee can perform a proper video changeover easily. SOLUTION: This system is provided with a switching device body 2 to which plural input video signals are inputable and which is capable of outputting these plural video signals selectively and plural connection cables 3 which connect the switching device body 2 and respective personal computers and have changeover switch parts 9 which output video signals from the connected personal computers to the switching device body 2 and also make the device body 2 select video signals from the connected computers as output video signals at the side of the personal computers.