| 摘要 |
<p>PURPOSE:To prevent an erroneous input by putting movable window screens respectively provided with touch areas on a base picture provided with touch areas and providing touch insensible zones at the boundary of each window picture and the window picture or then base picture underneath each window picture. CONSTITUTION:A base picture 2 is projected on the front surface of the screen of a picture display device 1 and touch areas 4 are provided in the base picture 2. Moreover, a window screen 3 also provided with touch areas 3 is put on the base picture 2 in a state where the window picture 3 can be moved to an arbitrary position in the base picture 2. Then a touch insensible zone 6 is provided along the outer periphery of the window screen 3 so as to surround the window screen 3. Therefore, even when a finger tip crosses the boundary of the touch areas 5 of the window screen 3, the touch area of the window picture or base picture underneath the window screen 3 cannot be operated wrongly. Therefore, erroneous input can be prevented surely.</p> |
