| 摘要 |
<p>PROBLEM TO BE SOLVED: To solve such a problem that it is troublesome for a presenter to switch display images according to questioner's instructions during a discussion after a presentation using images. SOLUTION: This system is provided with a display means which displays images supplied from an image supply device 110 such as a personal computer, a video deck, and a camera for paintings and calligraphy, a communication interface means 102c which is so connected as to communicate with a plurality of information terminal devices, and a control means 102a which controls the display means selectively in local-operation permission mode wherein the display means is allowed to be operated from the information terminal devices through the communication interface means and local-operation inhibition mode wherein the display means is inhibited from being operated from the information terminal devices.</p> |
