| 摘要 |
PROBLEM TO BE SOLVED: To allow plural users to share a large screen and allow the users to properly cooperate with each other through operation of a touch panel.SOLUTION: At each of four side edge parts of a large screen, a proximity sensor 511 is provided to detect the existence or state of a user, a user occupation area and a common area in the screen are set according to arrangement of users. For an operated object in the user occupation area, the right to operate the operated object is given to the corresponding user, and its display orientation is changed in a direction facing the user. |
