To make it possible to develop an interactive and virtual new lesson by providing each of terminal devices with small-sized displays with a means which provides the display by the visual point of a student walking around in the image displayed on a large screen display.
A teacher manipulates a controller 5 at his or her hand to access the data base of a computer 3 and to project videos on the large screen display 1. The students manipulate the terminal devices 2 with the small-sized displays at their hands and, for example, the student having an interest in a picture projects the images, etc., of the picture changed in the visual points by extracting the space including the picture. The teacher grasps with the controller 5 at his or her hand whether the respective students watch their own terminal devices 2 or watch the large screen display 1. When more than half the students watch their own terminal devices 2, the showing on the large screen display 1 is regulated by stopping or the like. As a result, the lessen based on multiple fields of view may be developed.
NOSU KIYOSHI
OKUDE NAOTO
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