METHOD AND SYSTEM FOR VIDEO DISPLAY AND INPUT

摘要

PROBLEM TO BE SOLVED: To operate both video display and input devices at the same time by displaying video from a computer on 1st and 2nd video display and input devices and changing the displayed video according to input indications. SOLUTION: The video data from the computer 100 are distributed by a video distributing machine 110 into pieces 111 and 112 of video data. The data 111 is inputted and converted by a projector 121 of a video display and input device 1 with a large screen and displayed on a screen 123 and the data 112 is inputted to a video display and input device 2 at hand to display video. When a screen 123 is pressed with a pen 140, its position coordinates are converted by a coordinate detecting device 125 and inputted to the computer 100. When the screen of the video display and input device 2 is pressed with a pen 141, its position coordinates are converted by a coordinate detecting device 132 and inputted to the computer 100. The computer 100 alters and adds video of the data of one of the video display and input devices 1 and 2 preferentially according to the indication of a 1st depressing pen.